UNPKG

@tensorflow/tfjs-node

Version:

This repository provides native TensorFlow execution in backend JavaScript applications under the Node.js runtime, accelerated by the TensorFlow C binary under the hood. It provides the same API as [TensorFlow.js](https://js.tensorflow.org/api/latest/).

59 lines (58 loc) 2.69 kB
"use strict"; /** * @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. * ============================================================================= */ Object.defineProperty(exports, "__esModule", { value: true }); exports.conv3DBackpropFilterV2Config = void 0; var tfjs_1 = require("@tensorflow/tfjs"); var nodejs_kernel_backend_1 = require("../nodejs_kernel_backend"); exports.conv3DBackpropFilterV2Config = { kernelName: tfjs_1.Conv3DBackpropFilterV2, backendName: 'tensorflow', kernelFunc: function (args) { var _a = args.inputs, x = _a.x, dy = _a.dy; var backend = args.backend; var _b = args.attrs, strides = _b.strides, pad = _b.pad, filterShape = _b.filterShape; var dilations = 1; var convInfo = tfjs_1.backend_util.computeConv3DInfo(x.shape, filterShape, strides, dilations, pad); var $strides = [ 1, convInfo.strideDepth, convInfo.strideHeight, convInfo.strideWidth, 1 ]; var padding = convInfo.padInfo.type; var dataFormat = convInfo.dataFormat === 'channelsLast' ? 'NDHWC' : 'NCDHW'; if (!backend.isGPUPackage && convInfo.dilationDepth > 1) { throw new Error('CPU Dilation depth must be 1'); } var $dilations = [ 1, convInfo.dilationDepth, convInfo.dilationHeight, convInfo.dilationWidth, 1 ]; var opAttrs = [ (0, nodejs_kernel_backend_1.createTensorsTypeOpAttr)('T', x.dtype), { name: 'strides', type: backend.binding.TF_ATTR_INT, value: $strides }, { name: 'padding', type: backend.binding.TF_ATTR_STRING, value: padding }, { name: 'data_format', type: backend.binding.TF_ATTR_STRING, value: dataFormat }, { name: 'dilations', type: backend.binding.TF_ATTR_INT, value: $dilations } ]; var filterSizes = (0, tfjs_1.tensor1d)(filterShape, 'int32'); var res = backend.executeSingleOutput(tfjs_1.Conv3DBackpropFilterV2, opAttrs, [x, filterSizes, dy]); filterSizes.dispose(); return res; } };