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[QNN] Add nn.global_avgpool to FQ2i #9137

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Sep 28, 2021
Merged

[QNN] Add nn.global_avgpool to FQ2i #9137

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11 changes: 11 additions & 0 deletions python/tvm/relay/transform/fake_quantization_to_integer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,17 @@ def avgpool2d(expr, type_map):
return [out, t]


@register_fake_quantization_to_integer("nn.global_avg_pool2d")
def global_avgpool2d(expr, type_map):
"""Rewrite a global_avgpool op"""
arg = expr.args[0]
t = type_map[arg]
arg = relay.op.cast(arg, "int32")
out = relay.op.nn.global_avg_pool2d(arg)
out = relay.op.cast(out, t.dtype)
return [out, t]


@register_fake_quantization_to_integer("nn.bias_add")
def bias_add(expr, type_map):
"""Rewrite a bias_add op"""
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13 changes: 13 additions & 0 deletions tests/python/relay/test_pass_fake_quantization_to_integer.py
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Expand Up @@ -268,6 +268,19 @@ def test_fake_quantize_avgpool():
compare_fq_to_int(op, [x_np], True)


def test_fake_quantize_global_avg_pool():
x = relay.var("x", shape=[1, 3, 224, 224], dtype="int8")

zero = relay.const(0)
x = relay.qnn.op.dequantize(x, relay.const(2.0), zero)
op = relay.op.nn.global_avg_pool2d(x)
op = relay.qnn.op.quantize(op, relay.const(2.0), zero)

x_np = np.random.randint(-128, 127, size=[1, 3, 224, 224], dtype="int8")

compare_fq_to_int(op, [x_np], True)


def test_fake_quantize_reshape():
x = relay.var("x", shape=[1, 3, 224, 224], dtype="int8")

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