@tensorflow/tfjs-core
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Hardware-accelerated JavaScript library for machine intelligence
44 lines • 2.34 kB
JavaScript
;
/**
* @license
* Copyright 2017 Google Inc. 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 });
var broadcast_util = require("../../ops/broadcast_util");
var BatchNormProgram = /** @class */ (function () {
function BatchNormProgram(xShape, meanShape, varianceShape, offsetShape, scaleShape, varianceEpsilon) {
this.outputShape = [];
this.variableNames = ['x', 'mean', 'variance'];
broadcast_util.assertAndGetBroadcastShape(xShape, meanShape);
broadcast_util.assertAndGetBroadcastShape(xShape, varianceShape);
var offsetSnippet = '0.0';
if (offsetShape != null) {
broadcast_util.assertAndGetBroadcastShape(xShape, offsetShape);
this.variableNames.push('offset');
offsetSnippet = 'getOffsetAtOutCoords()';
}
var scaleSnippet = '1.0';
if (scaleShape != null) {
broadcast_util.assertAndGetBroadcastShape(xShape, scaleShape);
this.variableNames.push('scale');
scaleSnippet = 'getScaleAtOutCoords()';
}
this.outputShape = xShape;
this.userCode = "\n void main() {\n float x = getXAtOutCoords();\n float mean = getMeanAtOutCoords();\n float variance = getVarianceAtOutCoords();\n float offset = " + offsetSnippet + ";\n float scale = " + scaleSnippet + ";\n float inv = scale * inversesqrt(variance + float(" + varianceEpsilon + "));\n setOutput(dot(vec3(x, -mean, offset), vec3(inv, inv, 1)));\n }\n ";
}
return BatchNormProgram;
}());
exports.BatchNormProgram = BatchNormProgram;
//# sourceMappingURL=batchnorm_gpu.js.map