@tensorflow/tfjs-core
Version:
Hardware-accelerated JavaScript library for machine intelligence
45 lines • 2.22 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 concat_util = require("../../ops/concat_util");
var ConcatProgram = /** @class */ (function () {
// Concats 2d tensors along axis=1. See comments in MathBackendWebGL.concat().
function ConcatProgram(shapes) {
this.outputShape = [];
this.outputShape = concat_util.computeOutShape(shapes, 1 /* axis */);
this.variableNames = shapes.map(function (_, i) { return "T" + i; });
var offsets = new Array(shapes.length - 1);
offsets[0] = shapes[0][1];
for (var i = 1; i < offsets.length; i++) {
offsets[i] = offsets[i - 1] + shapes[i][1];
}
var snippets = ["if (yC < " + offsets[0] + ") setOutput(getT0(yR, yC));"];
for (var i = 1; i < offsets.length; i++) {
var shift = offsets[i - 1];
snippets.push("else if (yC < " + offsets[i] + ") " +
("setOutput(getT" + i + "(yR, yC-" + shift + "));"));
}
var lastIndex = offsets.length;
var lastShift = offsets[offsets.length - 1];
snippets.push("else setOutput(getT" + lastIndex + "(yR, yC-" + lastShift + "));");
this.userCode = "\n void main() {\n ivec2 coords = getOutputCoords();\n int yR = coords.x;\n int yC = coords.y;\n\n " + snippets.join('\n ') + "\n }\n ";
}
return ConcatProgram;
}());
exports.ConcatProgram = ConcatProgram;
//# sourceMappingURL=concat_gpu.js.map