Skip to content
This repository has been archived by the owner on Nov 17, 2023. It is now read-only.

Fix nd.pick large array issue #14082

Merged
merged 4 commits into from
Feb 16, 2019
Merged

Fix nd.pick large array issue #14082

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
aaa7f1c
large op support
ChaiBapchya Feb 7, 2019
9ccf065
Merge branch 'master' into fix_nd_pick_large_array
ChaiBapchya Feb 9, 2019
029850d
replaced size_t with index_t for M, added test case
ChaiBapchya Feb 12, 2019
f05959a
changed shape
ChaiBapchya Feb 14, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 6 additions & 6 deletions src/operator/tensor/broadcast_reduce_op.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1172,12 +1172,12 @@ void L2NormComputeEx(const nnvm::NodeAttrs& attrs,
template<int ndim, bool clip = true>
struct pick {
template<typename DType, typename IType>
MSHADOW_XINLINE static void Map(int i, DType* out, const DType* a,
const IType *idx, int M, int stride,
MSHADOW_XINLINE static void Map(index_t i, DType* out, const DType* a,
const IType *idx, index_t M, int stride,
mshadow::Shape<ndim> bshape,
mshadow::Shape<ndim> sshape) {
using namespace broadcast;
int j = static_cast<int>(idx[i]);
index_t j = static_cast<index_t>(idx[i]);
if (clip) {
if (j <= 0) j = 0;
else if (j >= M) j = M - 1;
Expand All @@ -1194,12 +1194,12 @@ struct pick {
template<int ndim, bool clip = true>
struct pick_grad {
template<typename DType, typename IType>
MSHADOW_XINLINE static void Map(int i, DType* igrad, const DType* ograd,
const IType *idx, int M, int stride,
MSHADOW_XINLINE static void Map(index_t i, DType* igrad, const DType* ograd,
const IType *idx, index_t M, int stride,
mshadow::Shape<ndim> bshape,
mshadow::Shape<ndim> sshape) {
using namespace broadcast;
int j = static_cast<int>(idx[i]);
index_t j = static_cast<index_t>(idx[i]);
if (clip) {
if (j <= 0) j = 0;
else if (j >= M) j = M - 1;
Expand Down
5 changes: 5 additions & 0 deletions tests/nightly/test_large_array.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -145,6 +145,11 @@ def test_where():
res = nd.sparse.where(csr_cond, a, b)
assert np.sum(res[0].asnumpy() == 1) == b.shape[1]

def test_pick():
ChaiBapchya marked this conversation as resolved.
Show resolved Hide resolved
a = mx.nd.ones(shape=(256*35, 1024*1024))
b = mx.nd.ones(shape=(256*35,))
res = mx.nd.pick(a,b)
assert res.shape == b.shape

if __name__ == '__main__':
import nose
Expand Down