Created
April 13, 2019 02:43
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const { GPU } = require('gpu.js'); | |
const gpu = new GPU({ mode: 'gpu' }); | |
for (let i = 0; i < 1000; i++) { //1000 seems... so small... | |
const setup = setupBenchmark(i * 512); | |
benchmark(setup); | |
} | |
function setupBenchmark(size) { | |
const width = size; | |
const height = size; | |
return { | |
kernel: makeKernel(width, height), | |
inputA: randomMatrix(width, height), | |
inputB: randomMatrix(width, height), | |
}; | |
} | |
function benchmark(setup) { | |
setup.kernel(setup.inputA, setup.inputB); | |
} | |
function makeKernel(width, height) { | |
const multiplyMatrix = gpu.createKernel(function(a, b) { | |
let sum = 0; | |
for (let i = 0; i < 512; i++) { | |
sum += a[this.thread.y][i] * b[i][this.thread.x]; | |
} | |
return sum; | |
}, { output: [width, height] }); | |
return multiplyMatrix; | |
} | |
function randomMatrix(width, height) { | |
const rows = []; | |
for (let y = 0; y < height; y++) { | |
const columns = new Float32Array(width); | |
rows.push(columns); | |
for (let x = 0; x < width; x++) { | |
columns[x] = Math.random(); | |
} | |
} | |
return rows; | |
} |
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