118 lines
1.9 KiB
JavaScript
118 lines
1.9 KiB
JavaScript
import { cc, dlopen, FFIType } from "bun:ffi";
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// START TINYCC
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import source from "./matrixcc.c" with { type: "file"};
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const setN = 1000;
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const {
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symbols: { matrixcc },
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} = cc({
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source,
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symbols: {
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matrixcc: {
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args: [ FFIType.int ],
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returns: FFIType.int,
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},
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},
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});
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// Funzione JavaScript equivalente
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function jsCC() {
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const start = performance.now();
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matrixcc( setN );
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const end = performance.now();
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console.log(`TinyCC Execution Time: ${end - start}ms`);
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}
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// END TINYCC
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// START GCC shared lib
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// Carica la libreria C
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const path = `./matrix03.so`;
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const { symbols } = dlopen(path, {
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matrix: {
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args: [ FFIType.int ], // La funzione C non prende argomenti
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returns: FFIType.int, // La funzione C restituisce un intero
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},
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});
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// Funzione per il test in C
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function cTest() {
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const start = performance.now();
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// Chiama la funzione C per eseguire il test
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symbols.matrix( setN );
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const end = performance.now();
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console.log(`C Execution Time: ${end - start}ms`);
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}
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// END GCC
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// Funzione JavaScript equivalente
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function jsTest() {
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const start = performance.now();
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matrixjs();
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const end = performance.now();
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console.log(`JavaScript Execution Time: ${end - start}ms`);
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}
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// test matrix JS
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function matrixjs( n = setN) {
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let a = [];
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let b = [];
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let c = [];
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for (let i = 0; i < n; i++) {
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a[i] = [];
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b[i] = [];
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c[i] = [];
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for (let j = 0; j < n; j++) {
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a[i][j] = Math.floor(Math.random() * 100);
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b[i][j] = Math.floor(Math.random() * 100);
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c[i][j] = 0;
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}
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}
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for (let i = 0; i < n; i++) {
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for (let j = 0; j < n; j++) {
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for (let k = 0; k < n; k++) {
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c[i][j] += a[i][k] * b[k][j];
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}
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}
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}
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for (let i = 0; i < n; i++) {
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a[i].length = 0;
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b[i].length = 0;
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c[i].length = 0;
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}
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a.length = 0;
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b.length = 0;
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c.length = 0;
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}
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// Avvia i test
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cTest();
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jsCC();
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jsTest();
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