megenginelite-sys 1.8.2

A safe megenginelite wrapper in Rust
Documentation 
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/**
 * \file dnn/src/rocm/elemwise/opr_impl.cpp
 * 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 "./opr_impl.h"
#include "midout.h"
#include "src/rocm/elemwise/kern_wrapper.h.hip"
#include "src/rocm/elemwise/special_kerns.h.hip"
#include "src/rocm/utils.h"

namespace megdnn {
namespace rocm {

#define on_arity_dispatched_cb_dtype(_dt)                           \
    if (m_dst->layout.dtype == _dt()) {                             \
        using dtrait = DTypeTrait<_dt>;                             \
        using ctype = dtrait::ctype;                                \
        auto stream = hip_stream(handle());                         \
        return ModeDispatcher<arity, dtrait::category, ctype>::run( \
                src, stream, m_param.mode, m_dst->ptr<ctype>());    \
    }

#define _cb_dispatch_mode(_m)                                                     \
    case Mode::_m:                                                                \
        do {                                                                      \
            using KernImpl = ElemwiseKern<                                        \
                    megcorePlatformROCM, param_enumv::Elemwise::Mode::_m, ctype>; \
            using Wrapper = ElemArithKernWrapper<arity, KernImpl>;                \
            Wrapper wrapper;                                                      \
            wrapper.dst = static_cast<ctype*>(dst);                               \
            return run_elemwise<Wrapper, ctype, arity>(src, stream, wrapper);     \
        } while (0);

#define IMPL_MODE_DISPATCHER(_arity, _dtype_cat)                                   \
    template <typename ctype>                                                      \
    struct ElemwiseForwardImpl::ModeDispatcher<_arity, _dtype_cat, ctype> {        \
        static constexpr int arity = _arity;                                       \
        static void run(                                                           \
                const ElemwiseOpParamN<arity>& src, hipStream_t stream, Mode mode, \
                void* dst) {                                                       \
            switch (mode) {                                                        \
                FOREACH(_cb_dispatch_mode)                                         \
                default:                                                           \
                    megdnn_throw("bad mode");                                      \
            }                                                                      \
        }                                                                          \
    }

#include "src/common/elemwise/opr_impl_body.inl"

template <typename ctype, bool c_is_scalar>
void ElemwiseForwardImpl::impl_fuse_mul_add3(const ElemwiseOpParamN<3>& param) {
    kern_fuse_mul_add3<c_is_scalar, ctype>(
            m_dst->ptr<ctype>(), param, hip_stream(handle()));
}

template <typename ctype>
void ElemwiseForwardImpl::impl_fuse_mul_add4(const ElemwiseOpParamN<4>& param) {
    kern_fuse_mul_add4(m_dst->ptr<ctype>(), param, hip_stream(handle()));
}

}  // namespace rocm
}  // namespace megdnn

// vim: syntax=cpp.doxygen