90 lines
3.6 KiB
C++
90 lines
3.6 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/xpu/enforce_xpu.h"
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#include "paddle/phi/core/kernel_registry.h"
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#include "paddle/phi/kernels/fusion/xpu/fused_rope_utils.h"
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namespace phi {
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namespace fusion {
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#define LAUNCH_XPU_FUSED_ROPE_GRAD(T, SCT) \
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XPUFusedRopeImpl<T, SCT, Context>(dev_ctx, \
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dout_q, \
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dout_k, \
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dout_v, \
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sin, \
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cos, \
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position_ids, \
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use_neox_rotary_style, \
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time_major, \
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true, \
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rotary_emb_base, \
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dq, \
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dk, \
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dv);
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template <typename T, typename Context>
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void FusedRopeGradKernel(const Context& dev_ctx,
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const optional<DenseTensor>& sin,
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const optional<DenseTensor>& cos,
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const optional<DenseTensor>& position_ids,
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const DenseTensor& dout_q,
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const optional<DenseTensor>& dout_k,
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const optional<DenseTensor>& dout_v,
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bool use_neox_rotary_style,
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bool time_major,
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float rotary_emb_base,
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DenseTensor* dq,
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DenseTensor* dk,
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DenseTensor* dv) {
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dev_ctx.template Alloc<T>(dq);
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if (dout_k) {
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dev_ctx.template Alloc<T>(dk);
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}
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if (dout_v) {
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dev_ctx.template Alloc<T>(dv);
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}
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if (sin && cos) {
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PADDLE_ENFORCE_EQ(sin->dims(),
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cos->dims(),
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common::errors::InvalidArgument(
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"The dims of sin and cos must be the same. But "
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"received sin's dims is {%s}, cos's dims is {%s}.",
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sin->dims(),
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cos->dims()));
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if (sin->dtype() == phi::DataType::FLOAT32) {
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LAUNCH_XPU_FUSED_ROPE_GRAD(T, float);
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} else {
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PADDLE_ENFORCE_EQ(
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CppTypeToDataType<T>::Type(),
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sin->dtype(),
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common::errors::InvalidArgument(
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"The embedding dtype and sin/cos dtype mismatched."));
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LAUNCH_XPU_FUSED_ROPE_GRAD(T, T);
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}
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} else {
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LAUNCH_XPU_FUSED_ROPE_GRAD(T, float);
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}
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}
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} // namespace fusion
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} // namespace phi
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PD_REGISTER_KERNEL(fused_rotary_position_embedding_grad,
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XPU,
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ALL_LAYOUT,
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phi::fusion::FusedRopeGradKernel,
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float,
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phi::float16,
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phi::bfloat16){};
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