megenginelite-sys 1.8.2

A safe megenginelite wrapper in Rust
Documentation 
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/**
 * \file dnn/src/cuda/convolution3d/forward/inplace_matmul.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 "./algo.h"
#include "./inplace_matmul_impl.cuh"

using namespace megdnn;
using namespace cuda;

bool Convolution3DForwardImpl::AlgoInplaceMatmul::is_available(
        const SizeArgs& args) const {
    auto&& fm = args.filter_meta;
    return args.filter_meta.format == Param::Format::NCDHW &&
           args.src_layout->dtype == dtype::Float32() && fm.group == 1 &&
           fm.spatial_ndim == 3;
}

size_t Convolution3DForwardImpl::AlgoInplaceMatmul::get_workspace_in_bytes(
        const SizeArgs&) const {
    return 0;
}

void Convolution3DForwardImpl::AlgoInplaceMatmul::exec(const ExecArgs& args) const {
    auto&& fm = args.filter_meta;
    size_t N = args.src_layout->shape[0], IC = fm.icpg, ID = args.src_layout->shape[2],
           IH = args.src_layout->shape[3], IW = args.src_layout->shape[4], OC = fm.ocpg,
           OD = args.dst_layout->shape[2], OH = args.dst_layout->shape[3],
           OW = args.dst_layout->shape[4], FD = fm.spatial[0], FH = fm.spatial[1],
           FW = fm.spatial[2], DD = fm.dilation[0], DH = fm.dilation[1],
           DW = fm.dilation[2];
    auto stream = args.handle->stream();
    convolution3d::exec_inplace_matmul_fwd(
            args.src_tensor->ptr<dt_float32>(), args.filter_tensor->ptr<dt_float32>(),
            args.dst_tensor->ptr<dt_float32>(), N, args.src_layout->stride[0],
            args.dst_layout->stride[0], IC, ID, IH, IW, OC, OD, OH, OW, FD, FH, FW,
            fm.padding[0], fm.padding[1], fm.padding[2], fm.stride[0], fm.stride[1],
            fm.stride[2], DD, DH, DW, !fm.should_flip, stream);
}

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