robertleeplummerjr’s gists

robertleeplummerjr / use_gpujs_with_leadergpu.sh

Created November 1, 2019 18:27

sudo apt-get install -y build-essential libxi-dev libglu1-mesa-dev libglew-dev pkg-config xvfb nodejs npm

robertleeplummerjr / benchMe.js

Created October 31, 2019 17:17

	const benchmark = require('./src/index'),
	fs = require('fs');

	const out = benchmark.multipleBenchmark({
	commonOptions: {
	cpu_benchmark: true,
	num_benchmarks: 5
	},
	range: {
	optionName: 'matrix_size',

robertleeplummerjr / migrate-assert-to-expect.js

Created August 14, 2019 10:30

A script that migrates from using assert to jest's expect

	const { parse } = require('acorn');
	const fs = require('fs');
	const file = fs.readFileSync('./__tests__/file-name.js').toString();
	const rootAST = parse(file, {
	locations: true
	});

	function traverse(ast) {
	if (Array.isArray(ast)) {
	for (let i = 0; i < ast.length; i++) {

robertleeplummerjr / react-native-mandelbrot-set-test-App.js

Created July 1, 2019 13:46

	// taken from examples at gpu.js: https://github.com/gpujs/gpu.js/blob/develop/examples/mandelbrot-set.html

	import React from 'react';
	import { StyleSheet, Text, View } from 'react-native';
	import { GLView } from 'expo-gl';
	import { GPU } from '@gpujs/expo-gl';

	export default function App() {
	createKernel();
	return (

robertleeplummerjr / initial-array-array-kernel.js

Created May 13, 2019 18:24

100-over.js

	function kernel(context = null) {
	const gl = context;
	const glVariables0 = gl.getExtension('OES_texture_float');
	const glVariables1 = gl.getExtension('OES_texture_float_linear');
	const glVariables2 = gl.getExtension('OES_element_index_uint');
	const glVariables3 = gl.getExtension('WEBGL_draw_buffers');
	const glVariables4 = gl.getExtension('WEBGL_color_buffer_float');
	const glVariable5 = gl.createTexture();
	const glVariable6 = gl.createTexture();
	gl.enable(gl.SCISSOR_TEST);

robertleeplummerjr / get-memory-optimized-32.glsl

Created April 19, 2019 09:17

	float getMemoryOptimized32(sampler2D tex, ivec2 texSize, ivec3 texDim, int z, int y, int x) {
	ivec3 xyz = ivec3(x, y, z);
	__GET_WRAPAROUND__;
	int index = xyz.x + texDim.x * (xyz.y + texDim.y * xyz.z);
	int channel = integerMod(index, 4);
	index = index / 4;
	int w = texSize.x;
	vec2 st = vec2(float(integerMod(index, w)), float(index / w)) + 0.5;
	vec4 texel = texture2D(tex, st / vec2(texSize));
	if (channel == 0) return texel.r;

robertleeplummerjr / big-gpu-benchmark.js

Created April 13, 2019 02:43

	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) {

robertleeplummerjr / RED-Compromise-Float32Array-WebGL2-output.html

Last active April 2, 2019 17:51

	<html>
	<body>
	<canvas></canvas>
	</body>
	<script>
	const canvas = document.querySelector('canvas');
	const gl = canvas.getContext('webgl2', {
	alpha: false,
	depth: false,
	antialias: false

robertleeplummerjr / RED-Ideal-Float32Array-WebGL2-output.html

Last active April 2, 2019 17:41

	<html>
	<body>
	<canvas></canvas>
	</body>
	<script>
	const canvas = document.querySelector('canvas');
	const gl = canvas.getContext('webgl2', {
	alpha: false,
	depth: false,
	antialias: false

robertleeplummerjr / RGBA-Float32Array-WebGL2-output.html

Last active April 2, 2019 16:59

	<html>
	<body>
	<canvas></canvas>
	</body>
	<script>
	const canvas = document.querySelector('canvas');
	const gl = canvas.getContext('webgl2', {
	alpha: false,
	depth: false,
	antialias: false

Robert Plummer robertleeplummerjr