/**
* \file dnn/src/rocm/linspace/linspace.cpp.hip
*
* MegEngine is Licensed under the Apache License, Version 2.0 (the "License")
*
* Copyright (c) 2014-2021 Megvii Inc. All rights reserved.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
#include "hcc_detail/hcc_defs_prologue.h"
#include "./linspace.h.hip"
#include "src/rocm/utils.h.hip"
#include "megdnn/dtype.h"
namespace {
template <typename T>
__global__ void kernel(T *dst, double start, double step, uint32_t n)
{
uint32_t i = threadIdx.x + blockIdx.x * blockDim.x;
if (i < n) {
dst[i] = T(start + step*i);
}
}
} // anonymous namespace
namespace megdnn {
namespace rocm {
namespace linspace {
template <typename T>
void exec_internal(T *dst, double start, double step, size_t n,
hipStream_t stream)
{
uint32_t threads = NR_THREADS;
uint32_t blocks = DIVUP(n, threads);
hipLaunchKernelGGL(kernel,
dim3(blocks), dim3(threads), 0, stream,
dst, start, step, n);
after_kernel_launch();
}
#define INST(T) template void exec_internal<T>(T *dst, \
double start, double step, size_t n, hipStream_t stream);
#define cb(DType) INST(typename DTypeTrait<DType>::ctype)
MEGDNN_FOREACH_COMPUTING_DTYPE(cb)
} // namespace linspace
} // namespace rocm
} // namespace megdnn
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