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<header>
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<h1 class="title">Module <code>ariths_gen.multi_bit_circuits.adders.knowles_adder</code></h1>
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</header>
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<section id="section-intro">
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</section>
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<section>
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<section>
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</section>
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<section>
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</section>
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<section>
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<h2 class="section-title" id="header-classes">Classes</h2>
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<dl>
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<dt id="ariths_gen.multi_bit_circuits.adders.knowles_adder.SignedKnowlesAdder"><code class="flex name class">
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<span>class <span class="ident">SignedKnowlesAdder</span></span>
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<span>(</span><span>a: <a title="ariths_gen.wire_components.buses.Bus" href="../../wire_components/buses.html#ariths_gen.wire_components.buses.Bus">Bus</a>,<br>b: <a title="ariths_gen.wire_components.buses.Bus" href="../../wire_components/buses.html#ariths_gen.wire_components.buses.Bus">Bus</a>,<br>prefix: str = '',<br>name: str = 's_ka',<br>config_choice: int = 1,<br>**kwargs)</span>
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</code></dt>
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<dd>
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<div class="desc"><p>Class representing signed Knowles adder (using valency-2 logic gates).</p>
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<p>The Knowles adder belongs to a type of tree (parallel-prefix) adders.
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Tree adder structure consists of three parts of logic: 1) PG logic generation, 2) Parallel PG logic computation, 3) Final sum and cout computation
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The main difference between each tree adder lies in the implementation of the part 2).</p>
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<p>Knowles adders are a family of tree adders that represent a tradeoff between Kogge-Stone and Sklansky implementations.
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Depending on the input bitwidth, there are many possible implementation configurations, precisely: [1, ⌈log2(N)⌉-2] number for N > 4 (otherwise just 1).
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The structures of the individual configurations shift from inclination more towards one or the other original implementation.</p>
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<p>Knowles networks provide tradeoff between the number of wires and fanout load on wires, while the number of stages inside the 2) part remains the same.</p>
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<p>Main building components are GreyCells and BlackCells that appropriately encapsulate the essential logic used for PG computation.
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For further circuit characteristics see the book CMOS VLSI Design.</p>
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<p>The implementation performs the 1) and 3) (sum XORs) parts using one bit three input P/G/Sum logic function blocks.
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The 2) part is then composed according to the parallel-prefix adder characteristics.
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At last XOR gates are used to ensure proper sign extension.</p>
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<pre><code> B3 A3 B2 A2 B1 A1 B0 A0
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│ │ │ │ │ │ │ │
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┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐
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│ PG │ C3 │ PG │ C2 │ PG │ C1 │ PG │
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│ SUM │◄────┐│ SUM │◄──┐│ SUM │◄──┐│ SUM │◄──0
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│ │ ││ │ ││ │ ││ │
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└─┬──┬┬┘ │└─┬┬┬──┘ │└─┬┬┬──┘ │└─┬┬┬──┘
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│ ││G3P3S3│ │││G2P2S2│ │││G1P1S1│ │││G0P0S0
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│ ┌▼▼──────┴──▼▼▼──────┴──▼▼▼──────┴──▼▼▼──┐
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│ │ Parallel-prefix │
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│ │ PG logic │
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│ └─┬───────┬──────────┬──────────┬────────┘
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│ │S3 │S2 │S1 │S0
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┌─▼───▼───────▼──────────▼──────────▼────────┐
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│ Sum + Cout │
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│ with sign extension │
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└┬────┬───────┬──────────┬──────────┬────────┘
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│ │ │ │ │
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▼ ▼ ▼ ▼ ▼
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Cout S3 S1 S0 S0
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</code></pre>
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<p>Description of the <strong>init</strong> method.</p>
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<h2 id="args">Args</h2>
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<dl>
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<dt><strong><code>a</code></strong> : <code>Bus</code></dt>
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<dd>First input bus.</dd>
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<dt><strong><code>b</code></strong> : <code>Bus</code></dt>
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<dd>Second input bus.</dd>
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<dt><strong><code>prefix</code></strong> : <code>str</code>, optional</dt>
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<dd>Prefix name of signed ka. Defaults to "".</dd>
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<dt><strong><code>name</code></strong> : <code>str</code>, optional</dt>
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<dd>Name of signed ka. Defaults to "s_ka".</dd>
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<dt><strong><code>config_choice</code></strong> : <code>int</code>, optional</dt>
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<dd>Tradeoff implementation choice concerning the number of wires and fanout load on wires. The number of choices goes from 1 up to ⌈log2(N)⌉-2 for N > 4, otherwise the choice is 1. Defaults to 1.</dd>
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</dl></div>
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<details class="source">
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<summary>
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<span>Expand source code</span>
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</summary>
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<pre><code class="python">class SignedKnowlesAdder(UnsignedKnowlesAdder, GeneralCircuit):
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"""Class representing signed Knowles adder (using valency-2 logic gates).
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The Knowles adder belongs to a type of tree (parallel-prefix) adders.
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Tree adder structure consists of three parts of logic: 1) PG logic generation, 2) Parallel PG logic computation, 3) Final sum and cout computation
|
||
The main difference between each tree adder lies in the implementation of the part 2).
|
||
|
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Knowles adders are a family of tree adders that represent a tradeoff between Kogge-Stone and Sklansky implementations.
|
||
Depending on the input bitwidth, there are many possible implementation configurations, precisely: [1, ⌈log2(N)⌉-2] number for N > 4 (otherwise just 1).
|
||
The structures of the individual configurations shift from inclination more towards one or the other original implementation.
|
||
|
||
Knowles networks provide tradeoff between the number of wires and fanout load on wires, while the number of stages inside the 2) part remains the same.
|
||
|
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Main building components are GreyCells and BlackCells that appropriately encapsulate the essential logic used for PG computation.
|
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For further circuit characteristics see the book CMOS VLSI Design.
|
||
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The implementation performs the 1) and 3) (sum XORs) parts using one bit three input P/G/Sum logic function blocks.
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The 2) part is then composed according to the parallel-prefix adder characteristics.
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At last XOR gates are used to ensure proper sign extension.
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```
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B3 A3 B2 A2 B1 A1 B0 A0
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│ │ │ │ │ │ │ │
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┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐
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│ PG │ C3 │ PG │ C2 │ PG │ C1 │ PG │
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│ SUM │◄────┐│ SUM │◄──┐│ SUM │◄──┐│ SUM │◄──0
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│ │ ││ │ ││ │ ││ │
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└─┬──┬┬┘ │└─┬┬┬──┘ │└─┬┬┬──┘ │└─┬┬┬──┘
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│ ││G3P3S3│ │││G2P2S2│ │││G1P1S1│ │││G0P0S0
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│ ┌▼▼──────┴──▼▼▼──────┴──▼▼▼──────┴──▼▼▼──┐
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│ │ Parallel-prefix │
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│ │ PG logic │
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│ └─┬───────┬──────────┬──────────┬────────┘
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│ │S3 │S2 │S1 │S0
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┌─▼───▼───────▼──────────▼──────────▼────────┐
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│ Sum + Cout │
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│ with sign extension │
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└┬────┬───────┬──────────┬──────────┬────────┘
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│ │ │ │ │
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▼ ▼ ▼ ▼ ▼
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Cout S3 S1 S0 S0
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```
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Description of the __init__ method.
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Args:
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a (Bus): First input bus.
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b (Bus): Second input bus.
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prefix (str, optional): Prefix name of signed ka. Defaults to "".
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name (str, optional): Name of signed ka. Defaults to "s_ka".
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config_choice (int, optional): Tradeoff implementation choice concerning the number of wires and fanout load on wires. The number of choices goes from 1 up to ⌈log2(N)⌉-2 for N > 4, otherwise the choice is 1. Defaults to 1.
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"""
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def __init__(self, a: Bus, b: Bus, prefix: str = "", name: str = "s_ka", config_choice: int = 1, **kwargs):
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super().__init__(a=a, b=b, prefix=prefix, name=name, config_choice=config_choice, signed=True, **kwargs)
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# Additional XOR gates to ensure correct sign extension in case of sign addition
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self.add_component(XorGate(self.a.get_wire(self.N-1), self.b.get_wire(self.N-1), prefix=self.prefix+"_xor"+str(self.get_instance_num(cls=XorGate)), parent_component=self))
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self.add_component(XorGate(self.get_previous_component().out, self.get_previous_component(2).get_generate_wire(), prefix=self.prefix+"_xor"+str(self.get_instance_num(cls=XorGate)), parent_component=self))
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self.out.connect(self.N, self.get_previous_component().out)</code></pre>
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</details>
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<h3>Ancestors</h3>
|
||
<ul class="hlist">
|
||
<li><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder" href="#ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder">UnsignedKnowlesAdder</a></li>
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<li><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit">GeneralCircuit</a></li>
|
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</ul>
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<h3>Inherited members</h3>
|
||
<ul class="hlist">
|
||
<li><code><b><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder" href="#ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder">UnsignedKnowlesAdder</a></b></code>:
|
||
<ul class="hlist">
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.add_component" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.add_component">add_component</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_blif_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_flat">get_blif_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_blif_code_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_hier">get_blif_code_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_c_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_flat">get_c_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_c_code_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_hier">get_c_code_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_cgp_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_cgp_code_flat">get_cgp_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_blif">get_circuit_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_c">get_circuit_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_def" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_def">get_circuit_def</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_gates" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_gates">get_circuit_gates</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_v">get_circuit_v</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_wire_index" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wire_index">get_circuit_wire_index</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_circuit_wires" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wires">get_circuit_wires</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_component_types" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_component_types">get_component_types</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declaration_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_blif">get_declaration_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declaration_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_flat">get_declaration_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declaration_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_hier">get_declaration_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declaration_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_flat">get_declaration_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declaration_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_hier">get_declaration_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declarations_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_c_hier">get_declarations_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_declarations_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_v_hier">get_declarations_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_blif_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blif_flat">get_function_blif_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_block_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_blif">get_function_block_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_block_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_c">get_function_block_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_block_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_v">get_function_block_v</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_blocks_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_blif">get_function_blocks_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_blocks_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_c">get_function_blocks_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_blocks_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_v">get_function_blocks_v</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_blif">get_function_out_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_flat">get_function_out_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_hier">get_function_out_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_python_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_python_flat">get_function_out_python_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_flat">get_function_out_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_function_out_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_hier">get_function_out_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_hier_subcomponent_def" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_hier_subcomponent_def">get_hier_subcomponent_def</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_includes_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_includes_c">get_includes_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_init_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_flat">get_init_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_init_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_hier">get_init_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_init_python_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_python_flat">get_init_python_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_init_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_flat">get_init_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_init_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_hier">get_init_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_instance_num" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_instance_num">get_instance_num</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_invocation_blif_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocation_blif_hier">get_invocation_blif_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_invocations_blif_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocations_blif_hier">get_invocations_blif_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_multi_bit_components" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_multi_bit_components">get_multi_bit_components</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_one_bit_components" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_one_bit_components">get_one_bit_components</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_out_invocation_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_c">get_out_invocation_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_out_invocation_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_v">get_out_invocation_v</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_outputs_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_outputs_cgp">get_outputs_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_parameters_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_parameters_cgp">get_parameters_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_previous_component" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_previous_component">get_previous_component</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_prototype_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_blif">get_prototype_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_prototype_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_c">get_prototype_c</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_prototype_python" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_python">get_prototype_python</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_prototype_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_v">get_prototype_v</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_python_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_python_code_flat">get_python_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_triplets_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_triplets_cgp">get_triplets_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_unique_types" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_unique_types">get_unique_types</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_v_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_v_code_flat">get_v_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.get_v_code_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_v_code_hier">get_v_code_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder.save_wire_id" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.save_wire_id">save_wire_id</a></code></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</dd>
|
||
<dt id="ariths_gen.multi_bit_circuits.adders.knowles_adder.UnsignedKnowlesAdder"><code class="flex name class">
|
||
<span>class <span class="ident">UnsignedKnowlesAdder</span></span>
|
||
<span>(</span><span>a: <a title="ariths_gen.wire_components.buses.Bus" href="../../wire_components/buses.html#ariths_gen.wire_components.buses.Bus">Bus</a>,<br>b: <a title="ariths_gen.wire_components.buses.Bus" href="../../wire_components/buses.html#ariths_gen.wire_components.buses.Bus">Bus</a>,<br>prefix: str = '',<br>name: str = 'u_ka',<br>config_choice: int = 1,<br>**kwargs)</span>
|
||
</code></dt>
|
||
<dd>
|
||
<div class="desc"><p>Class representing unsigned Knowles adder (using valency-2 logic gates).</p>
|
||
<p>The Knowles adder belongs to a type of tree (parallel-prefix) adders.
|
||
Tree adder structure consists of three parts of logic: 1) PG logic generation, 2) Parallel PG logic computation, 3) Final sum and cout computation
|
||
The main difference between each tree adder lies in the implementation of the part 2).</p>
|
||
<p>Knowles adders are a family of tree adders that represent a tradeoff between Kogge-Stone and Sklansky implementations.
|
||
Depending on the input bitwidth, there are many possible implementation configurations, precisely: [1, ⌈log2(N)⌉-2] number for N > 4 (otherwise just 1).
|
||
The structures of the individual configurations shift from inclination more towards one or the other original implementation.</p>
|
||
<p>Knowles networks provide tradeoff between the number of wires and fanout load on wires, while the number of stages inside the 2) part remains the same.</p>
|
||
<p>Main building components are GreyCells and BlackCells that appropriately encapsulate the essential logic used for PG computation.
|
||
For further circuit characteristics see the book CMOS VLSI Design.</p>
|
||
<p>The implementation performs the 1) and 3) (sum XORs) parts using one bit three input P/G/Sum logic function blocks.
|
||
The 2) part is then composed according to the parallel-prefix adder characteristics.</p>
|
||
<pre><code> B3 A3 B2 A2 B1 A1 B0 A0
|
||
│ │ │ │ │ │ │ │
|
||
┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐
|
||
│ PG │ C3 │ PG │ C2 │ PG │ C1 │ PG │
|
||
│ SUM │◄────┐│ SUM │◄──┐│ SUM │◄──┐│ SUM │◄──0
|
||
│ │ ││ │ ││ │ ││ │
|
||
└─┬──┬┬┘ │└─┬┬┬──┘ │└─┬┬┬──┘ │└─┬┬┬──┘
|
||
│ ││G3P3S3│ │││G2P2S2│ │││G1P1S1│ │││G0P0S0
|
||
│ ┌▼▼──────┴──▼▼▼──────┴──▼▼▼──────┴──▼▼▼──┐
|
||
│ │ Parallel-prefix │
|
||
│ │ PG logic │
|
||
│ └─┬───────┬──────────┬──────────┬────────┘
|
||
│ │S3 │S2 │S1 │S0
|
||
┌─▼───▼───────▼──────────▼──────────▼────────┐
|
||
│ Sum + Cout │
|
||
│ logic │
|
||
└┬────┬───────┬──────────┬──────────┬────────┘
|
||
│ │ │ │ │
|
||
▼ ▼ ▼ ▼ ▼
|
||
Cout S3 S1 S0 S0
|
||
</code></pre>
|
||
<p>Description of the <strong>init</strong> method.</p>
|
||
<h2 id="args">Args</h2>
|
||
<dl>
|
||
<dt><strong><code>a</code></strong> : <code>Bus</code></dt>
|
||
<dd>First input bus.</dd>
|
||
<dt><strong><code>b</code></strong> : <code>Bus</code></dt>
|
||
<dd>Second input bus.</dd>
|
||
<dt><strong><code>prefix</code></strong> : <code>str</code>, optional</dt>
|
||
<dd>Prefix name of unsigned ka. Defaults to "".</dd>
|
||
<dt><strong><code>name</code></strong> : <code>str</code>, optional</dt>
|
||
<dd>Name of unsigned ka. Defaults to "u_ka".</dd>
|
||
<dt><strong><code>config_choice</code></strong> : <code>int</code>, optional</dt>
|
||
<dd>Tradeoff implementation choice concerning the number of wires and fanout load on wires. The number of choices goes from 1 up to ⌈log2(N)⌉-2 for N > 4, otherwise the choice is 1. Defaults to 1.</dd>
|
||
</dl></div>
|
||
<details class="source">
|
||
<summary>
|
||
<span>Expand source code</span>
|
||
</summary>
|
||
<pre><code class="python">class UnsignedKnowlesAdder(GeneralCircuit):
|
||
"""Class representing unsigned Knowles adder (using valency-2 logic gates).
|
||
|
||
The Knowles adder belongs to a type of tree (parallel-prefix) adders.
|
||
Tree adder structure consists of three parts of logic: 1) PG logic generation, 2) Parallel PG logic computation, 3) Final sum and cout computation
|
||
The main difference between each tree adder lies in the implementation of the part 2).
|
||
|
||
Knowles adders are a family of tree adders that represent a tradeoff between Kogge-Stone and Sklansky implementations.
|
||
Depending on the input bitwidth, there are many possible implementation configurations, precisely: [1, ⌈log2(N)⌉-2] number for N > 4 (otherwise just 1).
|
||
The structures of the individual configurations shift from inclination more towards one or the other original implementation.
|
||
|
||
Knowles networks provide tradeoff between the number of wires and fanout load on wires, while the number of stages inside the 2) part remains the same.
|
||
|
||
Main building components are GreyCells and BlackCells that appropriately encapsulate the essential logic used for PG computation.
|
||
For further circuit characteristics see the book CMOS VLSI Design.
|
||
|
||
The implementation performs the 1) and 3) (sum XORs) parts using one bit three input P/G/Sum logic function blocks.
|
||
The 2) part is then composed according to the parallel-prefix adder characteristics.
|
||
|
||
```
|
||
B3 A3 B2 A2 B1 A1 B0 A0
|
||
│ │ │ │ │ │ │ │
|
||
┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐ ┌─▼──▼─┐
|
||
│ PG │ C3 │ PG │ C2 │ PG │ C1 │ PG │
|
||
│ SUM │◄────┐│ SUM │◄──┐│ SUM │◄──┐│ SUM │◄──0
|
||
│ │ ││ │ ││ │ ││ │
|
||
└─┬──┬┬┘ │└─┬┬┬──┘ │└─┬┬┬──┘ │└─┬┬┬──┘
|
||
│ ││G3P3S3│ │││G2P2S2│ │││G1P1S1│ │││G0P0S0
|
||
│ ┌▼▼──────┴──▼▼▼──────┴──▼▼▼──────┴──▼▼▼──┐
|
||
│ │ Parallel-prefix │
|
||
│ │ PG logic │
|
||
│ └─┬───────┬──────────┬──────────┬────────┘
|
||
│ │S3 │S2 │S1 │S0
|
||
┌─▼───▼───────▼──────────▼──────────▼────────┐
|
||
│ Sum + Cout │
|
||
│ logic │
|
||
└┬────┬───────┬──────────┬──────────┬────────┘
|
||
│ │ │ │ │
|
||
▼ ▼ ▼ ▼ ▼
|
||
Cout S3 S1 S0 S0
|
||
```
|
||
|
||
Description of the __init__ method.
|
||
|
||
Args:
|
||
a (Bus): First input bus.
|
||
b (Bus): Second input bus.
|
||
prefix (str, optional): Prefix name of unsigned ka. Defaults to "".
|
||
name (str, optional): Name of unsigned ka. Defaults to "u_ka".
|
||
config_choice (int, optional): Tradeoff implementation choice concerning the number of wires and fanout load on wires. The number of choices goes from 1 up to ⌈log2(N)⌉-2 for N > 4, otherwise the choice is 1. Defaults to 1.
|
||
"""
|
||
def __init__(self, a: Bus, b: Bus, prefix: str = "", name: str = "u_ka", config_choice: int = 1, **kwargs):
|
||
self.N = max(a.N, b.N)
|
||
super().__init__(inputs=[a, b], prefix=prefix, name=name, out_N=self.N+1, **kwargs)
|
||
|
||
# Bus sign extension in case buses have different lengths
|
||
self.a.bus_extend(N=self.N, prefix=a.prefix)
|
||
self.b.bus_extend(N=self.N, prefix=b.prefix)
|
||
cin = ConstantWireValue0()
|
||
|
||
# Configuration setting
|
||
self.config_choice = config_choice
|
||
if self.N > 4:
|
||
assert self.config_choice > 0 and self.config_choice <= math.ceil(math.log(self.N, 2))-2, "The configuration choice must fall in a range [1, ⌈log2(N)⌉-2] for N > 4."
|
||
else:
|
||
assert self.config_choice == 1, "The configuration choice for N <= 4 is only 1."
|
||
|
||
# Lists of list containing all propagate/generate wires
|
||
self.propagate_sig = []
|
||
self.generate_sig = []
|
||
# Cin0 used as a first generate wire for obtaining next carry bits
|
||
self.generate_sig.append([cin])
|
||
# The configuration choice offset used to appropriately interconnect PG logic cells in each stage
|
||
max_stages = math.ceil(math.log(self.N, 2))
|
||
config_offset = 2**(max_stages-self.config_choice-1)
|
||
|
||
# For each bit pair proceed with three stages of PPAs (Generate PG signals, Prefix computation (PG logic), Computation and connection of outputs)
|
||
# NOTE In the implementation below, both the first and third stages are handled by the PG FAs
|
||
for i_wire in range(self.N):
|
||
# 1st + 3rd stage: Generate PG signals + Computation and connection of outputs
|
||
self.add_component(PGSumLogic(self.a.get_wire(i_wire), self.b.get_wire(i_wire), self.generate_sig[i_wire][-1], prefix=self.prefix+"_pg_sum"+str(self.get_instance_num(cls=PGSumLogic))))
|
||
self.generate_sig.append([self.get_previous_component().get_generate_wire()])
|
||
self.propagate_sig.append([self.get_previous_component().get_propagate_wire()])
|
||
|
||
self.out.connect(i_wire, self.get_previous_component().get_sum_wire())
|
||
if i_wire == self.N-1:
|
||
self.add_component(GreyCell(self.generate_sig[i_wire+1][-1], self.propagate_sig[i_wire][0], self.generate_sig[i_wire][-1], prefix=self.prefix+"_gc"+str(self.get_instance_num(cls=GreyCell))))
|
||
self.out.connect(self.N, self.get_previous_component().get_generate_wire())
|
||
# 2nd stage: Prefix Computation (PG logic)
|
||
# For all bit indexes expect for the last one, proceed with the parralel prefix PG logic
|
||
else:
|
||
index_stages = math.ceil(math.log(i_wire+2, 2)) # +1 because indexes start from 0 and additional +1 because the first generated carry is actually the second carry after cin (the previous cin has 0 stages)
|
||
for stage in range(index_stages):
|
||
stage_offset = math.ceil(2**stage/config_offset)
|
||
previous_interconnect_id = i_wire - (((i_wire+1) % stage_offset) + 2**stage-(stage_offset-1))
|
||
# Grey cell
|
||
if stage == index_stages-1:
|
||
if stage == 0: # Bit index with only one stage
|
||
self.add_component(GreyCell(self.generate_sig[i_wire+1][0], self.propagate_sig[i_wire][0], self.generate_sig[i_wire][0], prefix=self.prefix+"_gc"+str(self.get_instance_num(cls=GreyCell))))
|
||
else: # Bit index contains multiple stages, GC is its last stage
|
||
self.add_component(GreyCell(self.get_previous_component().get_generate_wire(), self.get_previous_component().get_propagate_wire(), self.generate_sig[previous_interconnect_id+1][-1], prefix=self.prefix+"_gc"+str(self.get_instance_num(cls=GreyCell))))
|
||
# Black cell
|
||
else: # If bit index contains more than one stage, every stage except for the last one contains a Black cell
|
||
self.add_component(BlackCell(self.generate_sig[i_wire+1][-1], self.propagate_sig[i_wire][-1], self.generate_sig[previous_interconnect_id+1][stage], self.propagate_sig[previous_interconnect_id][stage], prefix=self.prefix+"_bc"+str(self.get_instance_num(cls=BlackCell))))
|
||
self.propagate_sig[i_wire].append(self.get_previous_component().get_propagate_wire())
|
||
self.generate_sig[i_wire+1].append(self.get_previous_component().get_generate_wire())</code></pre>
|
||
</details>
|
||
<h3>Ancestors</h3>
|
||
<ul class="hlist">
|
||
<li><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit">GeneralCircuit</a></li>
|
||
</ul>
|
||
<h3>Subclasses</h3>
|
||
<ul class="hlist">
|
||
<li><a title="ariths_gen.multi_bit_circuits.adders.knowles_adder.SignedKnowlesAdder" href="#ariths_gen.multi_bit_circuits.adders.knowles_adder.SignedKnowlesAdder">SignedKnowlesAdder</a></li>
|
||
</ul>
|
||
<h3>Inherited members</h3>
|
||
<ul class="hlist">
|
||
<li><code><b><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit">GeneralCircuit</a></b></code>:
|
||
<ul class="hlist">
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.add_component" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.add_component">add_component</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_flat">get_blif_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_blif_code_hier">get_blif_code_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_flat">get_c_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_c_code_hier">get_c_code_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_cgp_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_cgp_code_flat">get_cgp_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_blif">get_circuit_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_c">get_circuit_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_def" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_def">get_circuit_def</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_gates" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_gates">get_circuit_gates</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_v">get_circuit_v</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wire_index" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wire_index">get_circuit_wire_index</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wires" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_circuit_wires">get_circuit_wires</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_component_types" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_component_types">get_component_types</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_blif">get_declaration_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_flat">get_declaration_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_c_hier">get_declaration_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_flat">get_declaration_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declaration_v_hier">get_declaration_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_c_hier">get_declarations_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_declarations_v_hier">get_declarations_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blif_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blif_flat">get_function_blif_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_blif">get_function_block_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_c">get_function_block_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_block_v">get_function_block_v</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_blif">get_function_blocks_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_c">get_function_blocks_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_blocks_v">get_function_blocks_v</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_blif">get_function_out_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_flat">get_function_out_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_c_hier">get_function_out_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_python_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_python_flat">get_function_out_python_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_flat">get_function_out_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_function_out_v_hier">get_function_out_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_hier_subcomponent_def" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_hier_subcomponent_def">get_hier_subcomponent_def</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_includes_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_includes_c">get_includes_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_flat">get_init_c_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_c_hier">get_init_c_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_python_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_python_flat">get_init_python_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_flat">get_init_v_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_init_v_hier">get_init_v_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_instance_num" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_instance_num">get_instance_num</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocation_blif_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocation_blif_hier">get_invocation_blif_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocations_blif_hier" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_invocations_blif_hier">get_invocations_blif_hier</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_multi_bit_components" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_multi_bit_components">get_multi_bit_components</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_one_bit_components" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_one_bit_components">get_one_bit_components</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_c">get_out_invocation_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_out_invocation_v">get_out_invocation_v</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_outputs_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_outputs_cgp">get_outputs_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_parameters_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_parameters_cgp">get_parameters_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_previous_component" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_previous_component">get_previous_component</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_blif" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_blif">get_prototype_blif</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_c" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_c">get_prototype_c</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_python" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_python">get_prototype_python</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_v" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_prototype_v">get_prototype_v</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_python_code_flat" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_python_code_flat">get_python_code_flat</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_triplets_cgp" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_triplets_cgp">get_triplets_cgp</a></code></li>
|
||
<li><code><a title="ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_unique_types" href="../../core/arithmetic_circuits/general_circuit.html#ariths_gen.core.arithmetic_circuits.general_circuit.GeneralCircuit.get_unique_types">get_unique_types</a></code></li>
|
||
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