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dx works but that makes no sense?

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This commit is contained in:
Philippe Tillet
2019-07-03 20:21:32 -07:00
parent 1b2ceadf0d
commit bd1040510f
2 changed files with 19 additions and 13 deletions
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26
examples/python/tensorflow/run.py
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@@ -58,12 +58,15 @@ def blocksparse_matmul_grad(op, dy):
def run_shift():
B, C, H, W = 1, 16, 4, 4
R, S, F = 3, 3, 16
np.random.seed(2)
a = tf.placeholder(tf.float32, shape=[C, H, W, B])
b = tf.placeholder(tf.float32, shape=[C, F])
#hshift_h = np.random.randint(-R//2, R//2 + 1, size=C, dtype=np.int32)
#hshift_w = np.random.randint(-S//2, R//2 + 1, size=C, dtype=np.int32)
hshift_h = np.ones(C, dtype=np.int32)
hshift_w = np.ones(C, dtype=np.int32)
hshift_h = np.random.randint(- (R//2), R//2 + 1, size=C, dtype=np.int32)
hshift_w = np.random.randint(- (S//2), R//2 + 1, size=C, dtype=np.int32)
print(hshift_h)
print(hshift_w)
#hshift_h = np.ones(C, dtype=np.int32)
#hshift_w = np.ones(C, dtype=np.int32)
c = module.shift_conv(a, b, shift_h=tf.make_tensor_proto(hshift_h), shift_w=tf.make_tensor_proto(hshift_w))
# Reference
ha = np.random.rand(C, H, W, B)
@@ -75,13 +78,16 @@ def run_shift():
extra_feed_dict={a: ha, b: hb})
dx_t, dx_n = grads[0]
dw_t, dw_n = grads[1]
print(dx_t)
print(dx_n)
#print(np.max(dw_t - dw_n))
print(dw_t)
print(dw_n)
print(np.max(dw_t - dw_n))
#np.savetxt('diff.dat', dw_t - dw_n, fmt='%2.4f')
#np.savetxt('theoretical.dat', dw_t, fmt='%2.4f')
#np.savetxt('numerical.dat', dw_n, fmt='%2.4f')
print(np.max(dx_t - dx_n))
np.savetxt('diff.dat', dx_t - dx_n, fmt='%2.4f')
np.savetxt('theoretical.dat', dx_t, fmt='%2.4f')
np.savetxt('numerical.dat', dx_n, fmt='%2.4f')
#np.savetxt('diff.dat', dx_t - dx_n, fmt='%2.4f')
#np.savetxt('theoretical.dat', dx_t, fmt='%2.4f')
#np.savetxt('numerical.dat', dx_n, fmt='%2.4f')
# Run
sess.run(tf.global_variables_initializer())
result = sess.run([c], feed_dict = {a: ha,