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Fixed print function to work on device in certain cases #436

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merged 1 commit into from
Jun 9, 2023
Merged

Fixed print function to work on device in certain cases #436

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40 changes: 27 additions & 13 deletions include/matx/core/tensor_utils.h
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,8 @@
#include "matx/core/make_tensor.h"
#include "matx/kernels/utility.cuh"

static constexpr bool PRINT_ON_DEVICE = false; ///< print() uses printf on device

namespace matx
{
/**
Expand Down Expand Up @@ -667,10 +669,23 @@ namespace detail {
}
}
}
} // end namespace detail

static constexpr bool PRINT_ON_DEVICE = false; ///< print() uses printf on device

template <typename Op,
typename... Args,
std::enable_if_t<((std::is_integral_v<Args>)&&...) &&
(Op::Rank() == 0 || sizeof...(Args) > 0),
bool> = true>
void DevicePrint(const Op &op, Args... dims) {
if constexpr (PRINT_ON_DEVICE) {
PrintKernel<<<1, 1>>>(op, dims...);
}
else {
auto tmpv = make_tensor<typename Op::scalar_type>(op.Shape());
(tmpv = op).run();
PrintData(tmpv, dims...);
}
}
} // end namespace detail

/**
* @brief Print a tensor's values to stdout
Expand Down Expand Up @@ -714,22 +729,21 @@ void PrintData(const Op &op, Args... dims) {
data,
reinterpret_cast<CUdeviceptr>(op.Data()));
MATX_ASSERT_STR_EXP(ret, CUDA_SUCCESS, matxCudaError, "Failed to get memory type");
MATX_ASSERT_STR(mtype == CU_MEMORYTYPE_HOST || mtype == 0, matxNotSupported, "Invalid memory type for printing");
MATX_ASSERT_STR(mtype == CU_MEMORYTYPE_HOST || mtype == 0 || mtype == CU_MEMORYTYPE_DEVICE,
matxNotSupported, "Invalid memory type for printing");

detail::InternalPrint(op, dims...);
if (mtype == CU_MEMORYTYPE_DEVICE) {
detail::DevicePrint(op, dims...);
}
else {
detail::InternalPrint(op, dims...);
}
}
else if (kind == MATX_INVALID_MEMORY || HostPrintable(kind)) {
detail::InternalPrint(op, dims...);
}
else if (DevicePrintable(kind)) {
if constexpr (PRINT_ON_DEVICE) {
PrintKernel<<<1, 1>>>(op, dims...);
}
else {
auto tmpv = make_tensor<typename Op::scalar_type>(op.Shape());
(tmpv = op).run();
PrintData(tmpv, dims...);
}
detail::DevicePrint(op, dims...);
}
}
else {
Expand Down