stefan
/
kyupy
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

add logic depth example

main
Stefan Holst 4 years ago
parent
e6ae009969
commit
765cb70ca3
1 changed files with 157 additions and 41 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 198
      UsageExamples.ipynb

198
UsageExamples.ipynb
Unescape View File

@ -430,6 +430,122 @@
" print(c.kind, c.name)" " print(c.kind, c.name)"
] ]
}, },
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Determining Logic Depth of Nodes"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"<Circuit 'b14' with 31715 nodes, 46891 lines, 91 ports>"
]
},
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from kyupy import verilog\n",
"\n",
"b14 = verilog.parse('tests/b14.v.gz')\n",
"b14"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Calculate logic level (logic depth, distance from inputs or scan flip-flops) for each node in the circuit.\n",
"Inputs and flip-flops themselves are level 0, **cells** driven by just inputs and flip-flops are level 1, and so on.\n",
"**Fork** nodes have the same level as their driver, because they do not increase the logic depth."
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Maximum logic depth: 112\n"
]
}
],
"source": [
"import numpy as np\n",
"\n",
"levels = np.zeros(len(b14.nodes), dtype='uint16') # store level for each node.\n",
"\n",
"for cell in b14.topological_order():\n",
" if 'DFF' in cell.kind or 'input' == cell.kind:\n",
" levels[cell.index] = 0\n",
" elif '__fork__' == cell.kind:\n",
" levels[cell.index] = levels[cell.ins[0].driver.index] # forks only have exactly one driver\n",
" else:\n",
" levels[cell.index] = max([levels[line.driver.index] for line in cell.ins]) + 1\n",
" \n",
"print(f'Maximum logic depth: {np.max(levels)}')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"List nodes with the highest depth and which nodes they are driving."
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"depth: 112 node: __fork__ n2692 driving: SDFFARX1_RVT reg1_reg_29_ \n",
"depth: 112 node: NAND2X0_RVT U465 driving: __fork__ n2692 \n",
"depth: 112 node: NAND2X0_RVT U562 driving: __fork__ n2724 \n",
"depth: 112 node: __fork__ n2724 driving: SDFFARX1_RVT reg0_reg_29_ \n",
"depth: 112 node: __fork__ n2608 driving: SDFFARX1_RVT B_reg \n",
"depth: 112 node: NAND2X0_RVT U170 driving: __fork__ n2608 \n",
"depth: 111 node: NAND2X0_RVT U5550 driving: __fork__ n2693 \n",
"depth: 111 node: __fork__ n2660 driving: SDFFARX1_RVT reg2_reg_29_ \n",
"depth: 111 node: AND2X2_RVT U5560 driving: __fork__ n2660 \n",
"depth: 111 node: __fork__ n2725 driving: SDFFARX1_RVT reg0_reg_28_ \n",
"depth: 111 node: __fork__ n2693 driving: SDFFARX1_RVT reg1_reg_28_ \n",
"depth: 111 node: __fork__ n362 driving: NAND2X0_RVT U170 \n",
"depth: 111 node: NAND2X0_RVT U173 driving: __fork__ n362 \n",
"depth: 111 node: __fork__ n600 driving: NAND2X0_RVT U562 \n",
"depth: 111 node: NAND2X0_RVT U563 driving: __fork__ n600 \n",
"depth: 111 node: NAND2X0_RVT U565 driving: __fork__ n2725 \n",
"depth: 111 node: NAND2X0_RVT U466 driving: __fork__ n535 \n",
"depth: 111 node: __fork__ n535 driving: NAND2X0_RVT U465 \n",
"depth: 110 node: __fork__ n4691 driving: AND2X2_RVT U5560 \n",
"depth: 110 node: NAND2X0_RVT U5736 driving: __fork__ n790 \n"
]
}
],
"source": [
"nodes_by_depth = np.argsort(levels)[::-1]\n",
"\n",
"for n_idx in nodes_by_depth[:20]:\n",
" n = b14.nodes[n_idx]\n",
" readers = ', '.join([f'{l.reader.kind:12s} {l.reader.name:14s}' for l in n.outs])\n",
" print(f'depth: {levels[n_idx]} node: {n.kind:12s} {n.name:6s} driving: {readers}')"
]
},
{ {
"cell_type": "markdown", "cell_type": "markdown",
"metadata": {}, "metadata": {},
@ -446,7 +562,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 15, "execution_count": 18,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -469,7 +585,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 16, "execution_count": 19,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -478,7 +594,7 @@
"<PackedVectors nvectors=1081, width=306, vdim=2>" "<PackedVectors nvectors=1081, width=306, vdim=2>"
] ]
}, },
"execution_count": 16, "execution_count": 19,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -496,7 +612,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 17, "execution_count": 20,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -505,7 +621,7 @@
"(306, 2, 136)" "(306, 2, 136)"
] ]
}, },
"execution_count": 17, "execution_count": 20,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -523,7 +639,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 18, "execution_count": 21,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -532,7 +648,7 @@
"'-0--------------------11011111011001100111010101011101----------------------------------00-10111011010110011101110010111010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010100111010001010010000011100'" "'-0--------------------11011111011001100111010101011101----------------------------------00-10111011010110011101110010111010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010100111010001010010000011100'"
] ]
}, },
"execution_count": 18, "execution_count": 21,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -543,7 +659,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 19, "execution_count": 22,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -552,7 +668,7 @@
"'--10000010010100010111--------------------------------0101010010101010110101001001010100--011111110011011111000111010101010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010101000111111111111111011101'" "'--10000010010100010111--------------------------------0101010010101010110101001001010100--011111110011011111000111010101010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010101000111111111111111011101'"
] ]
}, },
"execution_count": 19, "execution_count": 22,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -570,7 +686,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 20, "execution_count": 23,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -583,7 +699,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 21, "execution_count": 24,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -592,7 +708,7 @@
"'--10000010010100010111--------------------------------0101010010101010110101001001010100--011111110011011111000111010101010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010101000111111111111111011101'" "'--10000010010100010111--------------------------------0101010010101010110101001001010100--011111110011011111000111010101010111011101100010000110101111111011010101001010101010101010101001010110101001010101010101010110100000111111111111111011010100100101010010010101101010101001010101000111111111111111011101'"
] ]
}, },
"execution_count": 21, "execution_count": 24,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -610,7 +726,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 22, "execution_count": 25,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -641,7 +757,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 23, "execution_count": 26,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -659,7 +775,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 24, "execution_count": 27,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -668,7 +784,7 @@
"<PackedVectors nvectors=1392, width=306, vdim=3>" "<PackedVectors nvectors=1392, width=306, vdim=3>"
] ]
}, },
"execution_count": 24, "execution_count": 27,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -686,7 +802,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 25, "execution_count": 28,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -695,7 +811,7 @@
"'-0--------------------RRRRRRFRRRRRRRRRRRFFRFRRRRRRRRRR----------------------------------00-00000001110100011111011010000000000000000011001001100101111110101110110001000100010100110111111101101000000111110011100010111000111R1111111111111111111111110001100100000110100000111010101110RFF00F000F0F00F00000FF01F'" "'-0--------------------RRRRRRFRRRRRRRRRRRFFRFRRRRRRRRRR----------------------------------00-00000001110100011111011010000000000000000011001001100101111110101110110001000100010100110111111101101000000111110011100010111000111R1111111111111111111111110001100100000110100000111010101110RFF00F000F0F00F00000FF01F'"
] ]
}, },
"execution_count": 25, "execution_count": 28,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -713,7 +829,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 26, "execution_count": 29,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -726,7 +842,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 27, "execution_count": 30,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -735,7 +851,7 @@
"'--F00000F00F0F000F00FF--------------------------------01110101011100000101100000100110R0--0RRRRRRRNNNRNRPRNNNNNRFFRFRRRRRRR000000000011001001100101111110101110110001000100010100110111111101101000000111110011100010111000NNNNNNNNNNNNNNNNNNNNNNNNNNNNP0011001000001101000001110101011101RRRRRRRRRRRRRRRRRRRRP01R'" "'--F00000F00F0F000F00FF--------------------------------01110101011100000101100000100110R0--0RRRRRRRNNNRNRPRNNNNNRFFRFRRRRRRR000000000011001001100101111110101110110001000100010100110111111101101000000111110011100010111000NNNNNNNNNNNNNNNNNNNNNNNNNNNNP0011001000001101000001110101011101RRRRRRRRRRRRRRRRRRRRP01R'"
] ]
}, },
"execution_count": 27, "execution_count": 30,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -753,7 +869,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 28, "execution_count": 31,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -791,7 +907,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 29, "execution_count": 32,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -811,7 +927,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 30, "execution_count": 33,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -820,7 +936,7 @@
"(46891, 2, 2)" "(46891, 2, 2)"
] ]
}, },
"execution_count": 30, "execution_count": 33,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -838,7 +954,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 31, "execution_count": 34,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -847,7 +963,7 @@
"119676" "119676"
] ]
}, },
"execution_count": 31, "execution_count": 34,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -875,7 +991,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 32, "execution_count": 35,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -894,7 +1010,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 33, "execution_count": 36,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -933,7 +1049,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 34, "execution_count": 37,
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"source": [ "source": [
@ -963,7 +1079,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 35, "execution_count": 38,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -972,7 +1088,7 @@
"(306, 128, 7)" "(306, 128, 7)"
] ]
}, },
"execution_count": 35, "execution_count": 38,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -990,7 +1106,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 36, "execution_count": 39,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -1023,7 +1139,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 37, "execution_count": 40,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -1032,7 +1148,7 @@
"2.0610005855560303" "2.0610005855560303"
] ]
}, },
"execution_count": 37, "execution_count": 40,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -1050,7 +1166,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 38, "execution_count": 41,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -1059,7 +1175,7 @@
"0.0" "0.0"
] ]
}, },
"execution_count": 38, "execution_count": 41,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -1077,7 +1193,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 39, "execution_count": 42,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -1086,7 +1202,7 @@
"0.0" "0.0"
] ]
}, },
"execution_count": 39, "execution_count": 42,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }
@ -1114,7 +1230,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 40, "execution_count": 43,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
@ -1136,7 +1252,7 @@
"True" "True"
] ]
}, },
"execution_count": 40, "execution_count": 43,
"metadata": {}, "metadata": {},
"output_type": "execute_result" "output_type": "execute_result"
} }

Write Preview
Loading…
Cancel
Save