wehub-resource-sync
72 lines
2.6 KiB
C++
72 lines
2.6 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "paddle/phi/backends/onednn/onednn_reuse.h"
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#include "paddle/phi/core/kernel_registry.h"
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namespace phi {
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template <typename T>
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class ShuffleChannelONEDNNHandler
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: public funcs::OneDNNHandlerNoCachingT<T, dnnl::shuffle_forward> {
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public:
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ShuffleChannelONEDNNHandler(const DenseTensor* x,
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const int group,
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const dnnl::engine engine,
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phi::Place cpu_place)
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: funcs::OneDNNHandlerNoCachingT<T, dnnl::shuffle_forward>(engine,
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cpu_place) {
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static constexpr int channel_axis = 1;
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this->AcquireForwardPrimitiveDescriptor(dnnl::prop_kind::forward_training,
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x->mem_desc(),
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x->mem_desc(),
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channel_axis,
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group);
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}
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};
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template <typename T, typename Context>
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void ShuffleChannelMKLDNNKernel(const Context& dev_ctx,
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const DenseTensor& x,
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int group,
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DenseTensor* out) {
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const auto& onednn_engine = dev_ctx.GetEngine();
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// oneDNN handles group using C/g instead of g
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const int tmp_group = x.dims()[1] / group;
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ShuffleChannelONEDNNHandler<T> handler(
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&x, tmp_group, onednn_engine, dev_ctx.GetPlace());
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auto src_memory_p = handler.AcquireSrcMemory(&x);
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auto dst_memory_p = handler.AcquireDstMemory(out);
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auto shuffle_p = handler.AcquireForwardPrimitive();
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auto& astream = OneDNNContext::tls().get_stream();
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shuffle_p->execute(
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astream, {{DNNL_ARG_SRC, *src_memory_p}, {DNNL_ARG_DST, *dst_memory_p}});
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astream.wait();
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out->set_mem_desc(dst_memory_p->get_desc());
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}
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} // namespace phi
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PD_REGISTER_KERNEL(shuffle_channel,
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OneDNN,
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ONEDNN,
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phi::ShuffleChannelMKLDNNKernel,
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float,
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phi::bfloat16) {}
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