gx

chenyc

2025-06-12 7b72ac13a83764a662159d4a49b7fffb90476ecb

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/**
 * @license
 * Copyright 2020 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 { Diag, util } from '@tensorflow/tfjs-core';
import { DiagProgram } from '../diag_gpu';
import { reshape } from './Reshape';
export function diag(args) {
    const { inputs, backend } = args;
    const { x } = inputs;
    const outShape = [...x.shape, ...x.shape];
    const xSize = util.sizeFromShape(x.shape);
    const flat = reshape({ inputs: { x }, backend, attrs: { shape: [xSize] } });
    const program = new DiagProgram(xSize);
    const res = backend.runWebGLProgram(program, [flat], flat.dtype);
    const out = reshape({ inputs: { x: res }, backend, attrs: { shape: outShape } });
    backend.disposeIntermediateTensorInfo(flat);
    backend.disposeIntermediateTensorInfo(res);
    return out;
}
export const diagConfig = {
    kernelName: Diag,
    backendName: 'webgl',
    kernelFunc: diag
};
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