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import inspect
import numpy as np
from hypothesis import assume, given, settings
import hypothesis.strategies as st
from caffe2.python import core
import caffe2.python.hypothesis_test_util as hu
import caffe2.python.serialized_test.serialized_test_util as serial
class TestMatMul(serial.SerializedTestCase):
@serial.given(
M=st.integers(min_value=1, max_value=10),
K=st.integers(min_value=1, max_value=10),
N=st.integers(min_value=1, max_value=10),
trans_a=st.booleans(),
trans_b=st.booleans(),
**hu.gcs
)
def test_matmul(self, M, K, N, trans_a, trans_b, gc, dc):
X = np.random.rand(M, K).astype(np.float32) - 0.5
if trans_a:
X = X.transpose()
Y = np.random.rand(K, N).astype(np.float32) - 0.5
if trans_b:
Y = Y.transpose()
op = core.CreateOperator(
'MatMul', ['X', 'Y'], 'out', trans_a=trans_a, trans_b=trans_b
)
def matmul_ref(X, Y, trans_a, trans_b):
XX = X.transpose() if trans_a else X
YY = Y.transpose() if trans_b else Y
return (XX.dot(YY), )
# Check against numpy reference
self.assertReferenceChecks(gc, op, [X, Y, trans_a, trans_b], matmul_ref)
# Check over multiple devices
self.assertDeviceChecks(dc, op, [X, Y], [0])
# Gradient check wrt X
self.assertGradientChecks(gc, op, [X, Y], 0, [0])
# Gradient check wrt Y
self.assertGradientChecks(gc, op, [X, Y], 1, [0])
@given(
M=st.integers(min_value=1, max_value=10),
K=st.integers(min_value=1, max_value=10),
N=st.integers(min_value=1, max_value=10),
axis_a=st.sampled_from([-3, -2, -1, 1, 2, 3]),
axis_b=st.sampled_from([-3, -2, -1, 1, 2, 3]),
trans_a=st.booleans(),
trans_b=st.booleans(),
**hu.gcs
)
@settings(deadline=10000)
def test_matmul_axis(
self, M, K, N, axis_a, axis_b, trans_a, trans_b, gc, dc
):
X = np.random.rand(M, K).astype(np.float32) - 0.5
if trans_a:
X = X.transpose()
shape_x = [X.shape[0], 1, 1, 1]
shape_x[axis_a] = X.shape[1]
X = X.reshape(*shape_x)
Y = np.random.rand(K, N).astype(np.float32) - 0.5
if trans_b:
Y = Y.transpose()
shape_y = [Y.shape[0], 1, 1, 1]
shape_y[axis_b] = Y.shape[1]
Y = Y.reshape(*shape_y)
op = core.CreateOperator(
'MatMul', ['X', 'Y'],
'out',
axis_a=axis_a,
axis_b=axis_b,
trans_a=trans_a,
trans_b=trans_b
)
def size_to_dim(X, axis):
dim = 1
for i in range(axis):
dim *= X.shape[i]
return dim
def size_from_dim(X, axis):
dim = 1
for i in range(axis, X.ndim):
dim *= X.shape[i]
return dim
def reshape(X, axis):
dim_0, dim_1 = size_to_dim(X, axis), size_from_dim(X, axis)
return X.reshape(dim_0, dim_1)
def canonical_axis(axis, ndim):
return ndim + axis if axis < 0 else axis
def matmul_ref(X, Y, axis_a, axis_b, trans_a, trans_b):
can_axis_a = canonical_axis(axis_a, X.ndim)
can_axis_b = canonical_axis(axis_b, Y.ndim)
X, Y = reshape(X, can_axis_a), reshape(Y, can_axis_b)
XX = X.transpose() if trans_a else X
YY = Y.transpose() if trans_b else Y
return (XX.dot(YY), )
# Check against numpy reference
self.assertReferenceChecks(
gc, op, [X, Y, axis_a, axis_b, trans_a, trans_b], matmul_ref
)
# Check over multiple devices
self.assertDeviceChecks(dc, op, [X, Y], [0])
# Gradient check wrt X
self.assertGradientChecks(gc, op, [X, Y], 0, [0])
# Gradient check wrt Y
self.assertGradientChecks(gc, op, [X, Y], 1, [0])
class TestBatchMatMul(serial.SerializedTestCase):
@settings(max_examples=30, deadline=None)
@given(
C=st.integers(min_value=0, max_value=3), # number of batch dims
M=st.integers(min_value=1, max_value=10),
K=st.integers(min_value=1, max_value=10),
N=st.integers(min_value=1, max_value=10),
trans_a=st.booleans(),
trans_b=st.booleans(),
dtype=st.sampled_from([np.float32, np.float16]),
**hu.gcs
)
def test_batch_matmul(self, C, M, K, N, trans_a, trans_b, dtype, gc, dc):
if dtype == np.float16:
# fp16 is only supported with CUDA/HIP
assume(core.IsGPUDeviceType(gc.device_type))
dc = [d for d in dc if core.IsGPUDeviceType(d.device_type)]
batch_dims = np.random.randint(
low=1,
high=3,
size=C,
dtype=np.int64).tolist()
X = np.random.rand(*(batch_dims + [M, K])).astype(dtype) - 0.5
if trans_a:
X = X.swapaxes(-1, -2)
Y = np.random.rand(*(batch_dims + [K, N])).astype(dtype) - 0.5
if trans_b:
Y = Y.swapaxes(-1, -2)
op = core.CreateOperator(
'BatchMatMul', ['X', 'Y'], 'out', trans_a=trans_a, trans_b=trans_b
)
def matmul_ref(X, Y, trans_a, trans_b, dtype):
XX = (X.swapaxes(-1, -2) if trans_a else X).astype(np.float32)
YY = (Y.swapaxes(-1, -2) if trans_b else Y).astype(np.float32)
return (np.matmul(XX, YY).astype(dtype),)
# relaxing the "threshold" for fp16 to 150x of the default
def relax_fp16_check(check_func, *args, **kwargs):
# inspect the default "threshold" value in check_func
argspec = inspect.getargspec(check_func)
threshold = argspec.defaults[
argspec.args.index('threshold') -
(len(argspec.args) - len(argspec.defaults))]
if dtype == np.float16:
threshold = 150 * threshold
check_func(*args, threshold=threshold, **kwargs)
# Check against numpy reference
relax_fp16_check(self.assertReferenceChecks, gc, op, [X, Y, trans_a, trans_b, dtype], matmul_ref)
# Check over multiple devices
relax_fp16_check(self.assertDeviceChecks, dc, op, [X, Y], [0])
# Gradient check wrt X
relax_fp16_check(self.assertGradientChecks, gc, op, [X, Y], 0, [0])
# Gradient check wrt Y
relax_fp16_check(self.assertGradientChecks, gc, op, [X, Y], 1, [0])
def _test_batch_matmul_with_broadcast_common(
self,
X,
Y,
dtype,
gc,
dc,
trans_a=None,
trans_b=None,
):
if trans_a is not None and trans_b is not None:
op = core.CreateOperator(
'BatchMatMul', ['X', 'Y'], 'out', trans_a=trans_a, trans_b=trans_b, broadcast=1
)
else:
op = core.CreateOperator(
'BatchMatMul', ['X', 'Y'], 'out', broadcast=1
)
def matmul_ref(X, Y, trans_a, trans_b, dtype):
XX = (X.swapaxes(-1, -2) if trans_a else X).astype(np.float32)
YY = (Y.swapaxes(-1, -2) if trans_b else Y).astype(np.float32)
return (np.matmul(XX, YY).astype(dtype),)
# Check against numpy reference
self.assertReferenceChecks(gc, op, [X, Y, trans_a, trans_b, dtype], matmul_ref)
# Check over multiple devices
self.assertDeviceChecks(dc, op, [X, Y], [0])
@given(
C_1=st.integers(min_value=0, max_value=3), # number of batch dims
C_2=st.integers(min_value=0, max_value=3),
M=st.integers(min_value=1, max_value=10),
K=st.integers(min_value=1, max_value=10),
N=st.integers(min_value=1, max_value=10),
trans_a=st.booleans(),
trans_b=st.booleans(),
**hu.gcs
)
@settings(deadline=10000)
def test_numpy_batch_matmul(self, C_1, C_2, M, K, N, trans_a, trans_b, gc, dc):
dtype = np.float32
batch_dims = np.random.randint(
low=0,
high=3,
size=max(C_1, C_2),
dtype=np.int64).tolist()
lbd = len(batch_dims)
X = np.random.rand(*(batch_dims[lbd - C_1:] + [M, K])).astype(dtype) - 0.5
if trans_a:
X = X.swapaxes(-1, -2)
Y = np.random.rand(*(batch_dims[lbd - C_2:] + [K, N])).astype(dtype) - 0.5
if trans_b:
Y = Y.swapaxes(-1, -2)
self._test_batch_matmul_with_broadcast_common(X, Y, dtype, gc, dc, trans_a, trans_b)
@settings(max_examples=30, deadline=None)
@given(
K=st.integers(min_value=1, max_value=10),
**hu.gcs
)
def test_numpy_batch_matmul_1d(self, K, gc, dc):
dtype = np.float32
X = np.random.rand(K).astype(dtype) - 0.5
# TODO: test trans_a and trans_b
Y = np.random.rand(K).astype(dtype) - 0.5
self._test_batch_matmul_with_broadcast_common(X, Y, dtype, gc, dc)
@settings(max_examples=30, deadline=None)
@given(
K=st.integers(min_value=1, max_value=10),
N=st.integers(min_value=1, max_value=10),
**hu.gcs
)
def test_numpy_batch_matmul_1d_2d(self, K, N, gc, dc):
dtype = np.float32
X = np.random.rand(K).astype(dtype) - 0.5
# TODO: test trans_a and trans_b
Y = np.random.rand(*[K, N]).astype(dtype) - 0.5
self._test_batch_matmul_with_broadcast_common(X, Y, dtype, gc, dc)
@settings(max_examples=30, deadline=None)
@given(
M=st.integers(min_value=1, max_value=10),
K=st.integers(min_value=1, max_value=10),
**hu.gcs
)
def test_numpy_batch_matmul_2d_1d(self, M, K, gc, dc):
dtype = np.float32
X = np.random.rand(*[M, K]).astype(dtype) - 0.5
# TODO: test trans_a and trans_b
Y = np.random.rand(K).astype(dtype) - 0.5
self._test_batch_matmul_with_broadcast_common(X, Y, dtype, gc, dc)
if __name__ == "__main__":
import unittest
unittest.main()
|
