50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/* Copyright 2019 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_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/core/framework/op_kernel.h"
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namespace tensorflow {
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namespace {
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class ShardingOp : public XlaOpKernel {
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public:
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explicit ShardingOp(OpKernelConstruction* ctx) : XlaOpKernel(ctx) {}
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~ShardingOp() override = default;
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void Compile(XlaOpKernelContext* ctx) override {
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xla::XlaOp input = ctx->Input(0);
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auto shape_or = ctx->InputXlaShape(0);
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OP_REQUIRES_OK(ctx, shape_or.status());
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ctx->SetOutput(
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0, xla::CustomCall(ctx->builder(), /*call_target_name=*/"Sharding",
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{input}, shape_or.ValueOrDie()));
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}
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private:
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TF_DISALLOW_COPY_AND_ASSIGN(ShardingOp);
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};
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REGISTER_XLA_OP(Name("XlaSharding"), ShardingOp);
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} // namespace
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} // namespace tensorflow
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