sxjscience commented on a change in pull request #15560: Add fp16 support for
topk
URL: https://github.com/apache/incubator-mxnet/pull/15560#discussion_r317258904
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File path: src/operator/tensor/sort_op-inl.cuh
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@@ -227,18 +251,18 @@ SortByKeyImpl(mshadow::Tensor<gpu, 1, KDType> keys,
CHECK_EQ(values.CheckContiguous(), true);
#if CUDA_VERSION >= 9000
cudaStream_t stream = mshadow::Stream<gpu>::GetStream(keys.stream_);
- thrust::device_ptr<half> key_iter = thrust::device_pointer_cast(
- reinterpret_cast<half*>(keys.dptr_));
- thrust::device_ptr<half> value_iter = thrust::device_pointer_cast(
- reinterpret_cast<half*>(values.dptr_));
+ thrust::device_ptr<__half> key_iter = thrust::device_pointer_cast(
+ reinterpret_cast<__half*>(keys.dptr_));
+ thrust::device_ptr<__half> value_iter = thrust::device_pointer_cast(
+ reinterpret_cast<__half*>(values.dptr_));
if (is_ascend) {
thrust::stable_sort_by_key(
thrust::cuda::par.on(stream),
- key_iter, key_iter + (keys.size(0)), value_iter,
cuda::less_half<half>());
+ key_iter, key_iter + (keys.size(0)), value_iter.get(),
cuda::less_half<__half>());
Review comment:
@drivanov OK, I see. It looks inconsistent at first glance.
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