/**
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* @license
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* Copyright 2020 Google LLC. 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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*
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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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* =============================================================================
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*/
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import {Fill, FillAttrs, KernelConfig, scalar, tensor1d} from '@tensorflow/tfjs';
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import {NodeJSKernelBackend} from '../nodejs_kernel_backend';
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export const fillConfig: KernelConfig = {
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kernelName: Fill,
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backendName: 'tensorflow',
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kernelFunc: (args) => {
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const backend = args.backend as NodeJSKernelBackend;
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const {shape, value} = args.attrs as unknown as FillAttrs;
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let {dtype} = args.attrs as unknown as FillAttrs;
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// TODO(cais, nkreeger): Investigate whether backend can be made into
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// a dtype helper method. The underlying op kernel doesn't accept undefined
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// or null dtype.
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if (dtype == null) {
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if (typeof value === 'number') {
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dtype = 'float32';
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} else {
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dtype = 'string';
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}
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}
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const shapeTensor = tensor1d(shape, 'int32');
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const valueTensor = scalar(value, dtype);
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const opAttrs = [
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{
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name: 'T',
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type: backend.binding.TF_ATTR_TYPE,
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value: backend.getDTypeInteger(dtype)
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},
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{
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name: 'index_type',
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type: backend.binding.TF_ATTR_TYPE,
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value: backend.binding.TF_INT32
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}
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];
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const res =
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backend.executeSingleOutput(Fill, opAttrs, [shapeTensor, valueTensor]);
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shapeTensor.dispose();
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valueTensor.dispose();
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return res;
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}
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};
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