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chenyc

2025-06-12 7b72ac13a83764a662159d4a49b7fffb90476ecb

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/**
 * @license
 * Copyright 2022 Google LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =============================================================================
 */
import { RaggedGather } from '@tensorflow/tfjs-core';
import { raggedGatherImplCPU } from '../kernel_utils/shared';
export function raggedGather(args) {
    const { inputs, backend, attrs } = args;
    const { paramsNestedSplits, paramsDenseValues, indices } = inputs;
    const { outputRaggedRank } = attrs;
    const $paramsNestedSplits = paramsNestedSplits.map(t => backend.readSync(t.dataId));
    const $paramsNestedSplitsShapes = paramsNestedSplits.map(t => t.shape);
    const $paramsDenseValues = backend.readSync(paramsDenseValues.dataId);
    const $indices = backend.readSync(indices.dataId);
    const [outputNestedSplits, outputDenseValues, outputDenseValuesShape] = raggedGatherImplCPU($paramsNestedSplits, $paramsNestedSplitsShapes, $paramsDenseValues, paramsDenseValues.shape, paramsDenseValues.dtype, $indices, indices.shape, outputRaggedRank);
    const outputNestedSplitsTensors = outputNestedSplits.map((splits) => backend.makeTensorInfo([splits.length], 'int32', splits));
    const outputDenseValuesTensor = backend.makeTensorInfo(outputDenseValuesShape, paramsDenseValues.dtype, outputDenseValues);
    return outputNestedSplitsTensors.concat([outputDenseValuesTensor]);
}
export const raggedGatherConfig = {
    kernelName: RaggedGather,
    backendName: 'webgl',
    kernelFunc: raggedGather,
};
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