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Simplify script.

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This commit is contained in:
Stephen Chung 2021-04-17 16:25:39 +08:00
parent 01f0cc028b
commit 9a409b5b49
1 changed files with 13 additions and 20 deletions
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33
scripts/mat_mul.rhai
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@ -12,7 +12,7 @@ fn new_mat(x, y) {
fn mat_gen(n) { fn mat_gen(n) {
let m = new_mat(n, n); let m = new_mat(n, n);
let tmp = 1.0 / n / n; const tmp = 1.0 / n / n;
for i in range(0, n) { for i in range(0, n) {
for j in range(0, n) { for j in range(0, n) {
@ -24,43 +24,36 @@ fn mat_gen(n) {
} }
fn mat_mul(a, b) { fn mat_mul(a, b) {
let m = a.len; let b2 = new_mat(a[0].len, b[0].len);
let n = a[0].len;
let p = b[0].len;
let b2 = new_mat(n, p); for i in range(0, a[0].len) {
for j in range(0, b[0].len) {
for i in range(0, n) {
for j in range(0, p) {
b2[j][i] = b[i][j]; b2[j][i] = b[i][j];
} }
} }
let c = new_mat(m, p); let c = new_mat(a.len, b[0].len);
for i in range(0, c.len) { for i in range(0, c.len) {
let ci = c[i]; for j in range(0, c[i].len) {
for j in range(0, ci.len) { c[i][j] = 0.0;
let b2j = b2[j];
ci[j] = 0.0;
for z in range(0, a[i].len) { for z in range(0, a[i].len) {
let x = a[i][z]; let x = a[i][z];
let y = b2j[z]; let y = b2[j][z];
ci[j] += x * y; c[i][j] += x * y;
} }
} }
c[i] = ci;
} }
c c
} }
let now = timestamp(); const now = timestamp();
let a = mat_gen(SIZE); const a = mat_gen(SIZE);
let b = mat_gen(SIZE); const b = mat_gen(SIZE);
let c = mat_mul(a, b); const c = mat_mul(a, b);
/* /*
for i in range(0, SIZE) { for i in range(0, SIZE) {