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JavaScript matrix benchmark
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| return { | |
| createRandomDOMMatrix() { | |
| return new DOMMatrix([ | |
| Math.random(), Math.random(), Math.random(), Math.random(), | |
| Math.random(), Math.random(), Math.random(), Math.random(), | |
| Math.random(), Math.random(), Math.random(), Math.random(), | |
| Math.random(), Math.random(), Math.random(), Math.random() | |
| ]); | |
| }, | |
| createRandomMatrix() { | |
| const matrix = []; | |
| for (let i = 0; i < 4; i++) { | |
| const row = []; | |
| for (let j = 0; j < 4; j++) { | |
| row.push(Math.random()); | |
| } | |
| matrix.push(row); | |
| } | |
| return matrix; | |
| }, | |
| multiplyMatrices(matrixA, matrixB) { | |
| const result = []; | |
| for (let i = 0; i < 4; i++) { | |
| const row = []; | |
| for (let j = 0; j < 4; j++) { | |
| let sum = 0; | |
| for (let k = 0; k < 4; k++) { | |
| sum += matrixA[i][k] * matrixB[k][j]; | |
| } | |
| row.push(sum); | |
| } | |
| result.push(row); | |
| } | |
| return result; | |
| }, | |
| createRandomTAMatrix() { | |
| const matrix = new Float32Array(16); | |
| for (let i = 0; i < 16; i++) { | |
| matrix[i] = Math.random(); | |
| } | |
| return matrix; | |
| }, | |
| multiplyTAMatrices(matrixA, matrixB) { | |
| const result = new Float32Array(16); | |
| for (let i = 0; i < 4; i++) { | |
| for (let j = 0; j < 4; j++) { | |
| for (let k = 0; k < 4; k++) { | |
| result[i * 4 + j] += matrixA[i * 4 + k] * matrixB[k * 4 + j]; | |
| } | |
| } | |
| } | |
| return result; | |
| }, | |
| multiplyTAMatricesUnrolled(matrixA, matrixB) { | |
| const result = new Float32Array(16); | |
| result[0] = matrixA[0] * matrixB[0] + matrixA[1] * matrixB[4] + matrixA[2] * matrixB[8] + matrixA[3] * matrixB[12]; | |
| result[1] = matrixA[0] * matrixB[1] + matrixA[1] * matrixB[5] + matrixA[2] * matrixB[9] + matrixA[3] * matrixB[13]; | |
| result[2] = matrixA[0] * matrixB[2] + matrixA[1] * matrixB[6] + matrixA[2] * matrixB[10] + matrixA[3] * matrixB[14]; | |
| result[3] = matrixA[0] * matrixB[3] + matrixA[1] * matrixB[7] + matrixA[2] * matrixB[11] + matrixA[3] * matrixB[15]; | |
| result[4] = matrixA[4] * matrixB[0] + matrixA[5] * matrixB[4] + matrixA[6] * matrixB[8] + matrixA[7] * matrixB[12]; | |
| result[5] = matrixA[4] * matrixB[1] + matrixA[5] * matrixB[5] + matrixA[6] * matrixB[9] + matrixA[7] * matrixB[13]; | |
| result[6] = matrixA[4] * matrixB[2] + matrixA[5] * matrixB[6] + matrixA[6] * matrixB[10] + matrixA[7] * matrixB[14]; | |
| result[7] = matrixA[4] * matrixB[3] + matrixA[5] * matrixB[7] + matrixA[6] * matrixB[11] + matrixA[7] * matrixB[15]; | |
| result[8] = matrixA[8] * matrixB[0] + matrixA[9] * matrixB[4] + matrixA[10] * matrixB[8] + matrixA[11] * matrixB[12]; | |
| result[9] = matrixA[8] * matrixB[1] + matrixA[9] * matrixB[5] + matrixA[10] * matrixB[9] + matrixA[11] * matrixB[13]; | |
| result[10] = matrixA[8] * matrixB[2] + matrixA[9] * matrixB[6] + matrixA[10] * matrixB[10] + matrixA[11] * matrixB[14]; | |
| result[11] = matrixA[8] * matrixB[3] + matrixA[9] * matrixB[7] + matrixA[10] * matrixB[11] + matrixA[11] * matrixB[15]; | |
| result[12] = matrixA[12] * matrixB[0] + matrixA[13] * matrixB[4] + matrixA[14] * matrixB[8] + matrixA[15] * matrixB[12]; | |
| result[13] = matrixA[12] * matrixB[1] + matrixA[13] * matrixB[5] + matrixA[14] * matrixB[9] + matrixA[15] * matrixB[13]; | |
| result[14] = matrixA[12] * matrixB[2] + matrixA[13] * matrixB[6] + matrixA[14] * matrixB[10] + matrixA[15] * matrixB[14]; | |
| result[15] = matrixA[12] * matrixB[3] + matrixA[13] * matrixB[7] + matrixA[14] * matrixB[11] + matrixA[15] * matrixB[15]; | |
| return result; | |
| } | |
| }; |
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| const a = DATA.createRandomTAMatrix(); | |
| const b = DATA.createRandomTAMatrix(); | |
| DATA.multiplyTAMatricesUnrolled(a, b) |
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| const a = DATA.createRandomDOMMatrix(); | |
| const b = DATA.createRandomDOMMatrix(); | |
| a.multiply(b); |
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| const a = DATA.createRandomMatrix(); | |
| const b = DATA.createRandomMatrix(); | |
| DATA.multiplyMatrices(a, b) |
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| const a = DATA.createRandomTAMatrix(); | |
| const b = DATA.createRandomTAMatrix(); | |
| DATA.multiplyTAMatrices(a, b) |
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