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import unittest
import hypothesis.strategies as st
from hypothesis import given
import numpy as np
from caffe2.python import core
import caffe2.python.hypothesis_test_util as hu
@unittest.skipIf(not core.IsOperator("PackedFC"),
"PackedFC is not supported in this caffe2 build.")
class PackedFCTest(hu.HypothesisTestCase):
@given(seed=st.integers(0, 65536),
M=st.integers(16, 32),
K=st.integers(128, 1024),
N=st.integers(128, 1024),
**hu.gcs_cpu_only)
@unittest.skipIf(not core.C.builtin_cpu_supports_avx2(),
"Intel MKL sgemm_pack has a known numerical issue with "
"non-avx2 machines that will be fixed in a later build.")
def test_packed_fc(self, seed, M, K, N, gc, dc):
np.random.seed(seed)
X = np.random.rand(M, K).astype(np.float32) - 0.5
W = np.random.rand(N, K).astype(np.float32) - 0.5
b = np.random.rand(N).astype(np.float32) - 0.5
# If you are debugging, the following hard-coded ones might help.
# X = np.ones((24, 256)).astype(np.float32)
# W = np.ones((128, 256)).astype(np.float32)
# b = np.zeros(128).astype(np.float32)
def ref(X, W, b):
return (np.dot(X, W.T) + b,)
for name in ["FC", "PackedFC"]:
op = core.CreateOperator(
name,
["X", "W", "b"],
["Y"],
)
self.assertReferenceChecks(gc, op, [X, W, b], ref)
@unittest.skipIf(not core.C.builtin_cpu_supports_avx2(),
"Intel MKL sgemm_pack has a known numerical issue with "
"non-avx2 machines that will be fixed in a later build.")
@given(axis=st.integers(min_value=1, max_value=4),
num_output=st.integers(min_value=4, max_value=8),
**hu.gcs_cpu_only)
def test_packed_fc_axis(self, axis, num_output, gc, dc):
np.random.seed(1701)
X = np.random.randn(1, 2, 3, 2, 1).astype(np.float32)
K = np.prod(X.shape[axis:])
N = num_output
W = np.random.randn(N, K).astype(np.float32)
b = np.random.randn(N).astype(np.float32)
op = core.CreateOperator(
"PackedFC",
["X", "W", "b"],
["Y"],
axis=axis)
def ref(X, W, b):
output_axes = list(X.shape[:axis]) + [N]
return (
np.dot(X.reshape(int(X.size / K), K), W.T).reshape(output_axes) + b,)
self.assertReferenceChecks(gc, op, [X, W, b], ref)
if __name__ == "__main__":
import unittest
unittest.main()
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