86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#include "tensorflow/compiler/tf2xla/shape_util.h"
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#include "tensorflow/compiler/tf2xla/xla_compiler.h"
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#include "tensorflow/compiler/tf2xla/xla_helpers.h"
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#include "tensorflow/compiler/tf2xla/xla_op_kernel.h"
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#include "tensorflow/compiler/tf2xla/xla_op_registry.h"
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#include "tensorflow/compiler/xla/client/xla_builder.h"
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#include "tensorflow/compiler/xla/xla_data.pb.h"
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#include "tensorflow/core/framework/kernel_def_builder.h"
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#include "tensorflow/core/framework/types.h"
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namespace tensorflow {
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namespace {
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class SendOp : public XlaOpKernel {
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public:
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explicit SendOp(OpKernelConstruction* ctx);
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void Compile(XlaOpKernelContext* ctx) override;
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private:
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string tensor_name_;
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TF_DISALLOW_COPY_AND_ASSIGN(SendOp);
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};
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SendOp::SendOp(OpKernelConstruction* ctx) : XlaOpKernel(ctx) {
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OP_REQUIRES_OK(ctx, ctx->GetAttr("tensor_name", &tensor_name_));
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}
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void SendOp::Compile(XlaOpKernelContext* ctx) {
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XlaCompiler* compiler = ctx->compiler();
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xla::ChannelHandle channel;
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OP_REQUIRES_OK(ctx, compiler->GetChannelHandle(tensor_name_, &channel));
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xla::Send(ctx->Input(0), channel);
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}
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REGISTER_XLA_OP(Name("XlaSend"), SendOp);
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class RecvOp : public XlaOpKernel {
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public:
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explicit RecvOp(OpKernelConstruction* ctx);
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void Compile(XlaOpKernelContext* ctx) override;
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private:
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string tensor_name_;
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xla::Shape shape_;
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TF_DISALLOW_COPY_AND_ASSIGN(RecvOp);
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};
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RecvOp::RecvOp(OpKernelConstruction* ctx) : XlaOpKernel(ctx) {
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OP_REQUIRES_OK(ctx, ctx->GetAttr("tensor_name", &tensor_name_));
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TensorShape tensor_shape;
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DataType dtype;
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OP_REQUIRES_OK(ctx, ctx->GetAttr("shape", &tensor_shape));
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OP_REQUIRES_OK(ctx, ctx->GetAttr("dtype", &dtype));
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OP_REQUIRES_OK(ctx, TensorShapeToXLAShape(dtype, tensor_shape, &shape_));
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}
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void RecvOp::Compile(XlaOpKernelContext* ctx) {
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XlaCompiler* compiler = ctx->compiler();
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xla::ChannelHandle channel;
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OP_REQUIRES_OK(ctx, compiler->GetChannelHandle(tensor_name_, &channel));
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ctx->SetOutput(0, xla::Recv(ctx->builder(), shape_, channel));
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}
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REGISTER_XLA_OP(Name("XlaRecv"), RecvOp);
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} // namespace
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} // namespace tensorflow
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