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loops.js
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378 lines (290 loc) · 7.67 KB
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const { assert, skip, test, module: describe, only } = require('qunit');
const { GPU } = require('../../src');
describe('loops - for');
function forLoopTest(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
for (let i = 0; i < 10; i++) {
x = x + 1;
}
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6]
});
assert.ok( f !== null, 'function generated test');
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('auto', () => {
forLoopTest(null);
});
test('gpu', () => {
forLoopTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
forLoopTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
forLoopTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
forLoopTest('headlessgl');
});
test('cpu', () => {
forLoopTest('cpu');
});
describe('loops - for with constant');
function forWithConstantTest(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
for(let i = 0; i < this.constants.max; i++) {
x = x + 1;
}
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6],
constants: {
max: 10
}
});
assert.ok( f !== null, 'function generated test');
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('forConstantLoopTest auto', () => {
forWithConstantTest(null);
});
test('forConstantLoopTest gpu', () => {
forWithConstantTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('forConstantLoopTest webgl', () => {
forWithConstantTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('forConstantLoopTest webgl2', () => {
forWithConstantTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('forConstantLoopTest headlessgl', () => {
forWithConstantTest('headlessgl');
});
test('forConstantLoopTest cpu', () => {
forWithConstantTest('cpu');
});
describe('loops - while');
function whileLoopTest(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
let i = 0;
while (i++ < 10) {
x = x + 1;
}
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6]
});
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('auto', () => {
whileLoopTest(null);
});
test('gpu', () => {
whileLoopTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
whileLoopTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
whileLoopTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
whileLoopTest('headlessgl');
});
test('cpu', () => {
whileLoopTest('cpu');
});
describe('loops - while with constant');
function whileWithConstantTest(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
let i = 0;
while (i++ < this.constants.max) {
x = x + 1;
}
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6],
constants: { max: 10 }
});
assert.ok( f !== null, 'function generated test');
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('auto', () => {
whileWithConstantTest(null);
});
test('gpu', () => {
whileWithConstantTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
whileWithConstantTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
whileWithConstantTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
whileWithConstantTest('headlessgl');
});
test('cpu', () => {
whileWithConstantTest('cpu');
});
describe('loops - evil while loop');
function evilWhileLoopTest(mode ) {
function evilWhileKernelFunction(a, b) {
let x = 0;
let i = 0;
//10000000 or 10 million is the approx upper limit on a chrome + GTX 780
while(i<100) {
x = x + 1.0;
++i;
}
return (a[this.thread.x] + b[this.thread.x] + x);
}
const evil_while_a = [1, 2, 3, 5, 6, 7];
const evil_while_b = [4, 5, 6, 1, 2, 3];
const evil_while_cpuRef = new GPU({ mode: 'cpu' });
const evil_while_cpuRef_f = evil_while_cpuRef.createKernel(evilWhileKernelFunction, {
output : [6],
loopMaxIterations: 10000,
});
const evil_while_exp = evil_while_cpuRef_f(evil_while_a,evil_while_b);
const gpu = new GPU({ mode });
const f = gpu.createKernel(evilWhileKernelFunction, {
output : [6]
});
assert.ok( f !== null, 'function generated test');
const res = f(evil_while_a,evil_while_b);
for(let i = 0; i < evil_while_exp.length; ++i) {
assert.equal(evil_while_exp[i], res[i], 'Result arr idx: '+i);
}
evil_while_cpuRef.destroy();
gpu.destroy();
}
test('auto', () => {
evilWhileLoopTest(null);
});
test('gpu', () => {
evilWhileLoopTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
evilWhileLoopTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
evilWhileLoopTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
evilWhileLoopTest('headlessgl');
});
test('cpu', () => {
evilWhileLoopTest('cpu');
});
describe('loops - do while');
function doWhileLoopTest(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
let i = 0;
do {
x = x + 1;
i++;
} while (i < 10);
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6]
});
assert.ok( f !== null, 'function generated test');
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('auto', () => {
doWhileLoopTest(null);
});
test('gpu', () => {
doWhileLoopTest('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
doWhileLoopTest('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
doWhileLoopTest('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
doWhileLoopTest('headlessgl');
});
test('cpu', () => {
doWhileLoopTest('cpu');
});
describe('loops - do while with constant');
function doWhileWithConstantLoop(mode) {
const gpu = new GPU({ mode });
const f = gpu.createKernel(function(a, b) {
let x = 0;
let i = 0;
do {
x = x + 1;
i++;
} while (i < this.constants.max);
return (a[this.thread.x] + b[this.thread.x] + x);
}, {
output : [6],
constants: { max: 10 }
});
assert.ok( f !== null, 'function generated test');
const a = [1, 2, 3, 5, 6, 7];
const b = [4, 5, 6, 1, 2, 3];
const res = f(a,b);
const exp = [15, 17, 19, 16, 18, 20];
assert.deepEqual(Array.from(res), exp);
gpu.destroy();
}
test('auto', () => {
doWhileWithConstantLoop(null);
});
test('gpu', () => {
doWhileWithConstantLoop('gpu');
});
(GPU.isWebGLSupported ? test : skip)('webgl', () => {
doWhileWithConstantLoop('webgl');
});
(GPU.isWebGL2Supported ? test : skip)('webgl2', () => {
doWhileWithConstantLoop('webgl2');
});
(GPU.isHeadlessGLSupported ? test : skip)('headlessgl', () => {
doWhileWithConstantLoop('headlessgl');
});
test('cpu', () => {
doWhileWithConstantLoop('cpu');
});