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optimize optimize constraints

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This commit is contained in:
Jordi Baylina
2020-07-18 14:55:00 +02:00
parent 7e24d6f57d
commit 9fe8be9828
5 changed files with 265 additions and 34 deletions
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6
src/bigarray.js
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@@ -1,4 +1,4 @@
const SUBARRAY_SIZE = 0x10000;
const SUBARRAY_SIZE = 0x40000;
const BigArrayHandler = {
get: function(obj, prop) {
@@ -19,7 +19,7 @@ const BigArrayHandler = {
class _BigArray {
constructor (initSize) {
this.length = initSize || 0;
this.arr = [];
this.arr = new Array(SUBARRAY_SIZE);
for (let i=0; i<initSize; i+=SUBARRAY_SIZE) {
this.arr[i/SUBARRAY_SIZE] = new Array(Math.min(SUBARRAY_SIZE, initSize - i));
@@ -39,7 +39,7 @@ class _BigArray {
idx = parseInt(idx);
const idx1 = Math.floor(idx / SUBARRAY_SIZE);
if (!this.arr[idx1]) {
this.arr[idx1] = [];
this.arr[idx1] = new Array(SUBARRAY_SIZE);
}
const idx2 = idx % SUBARRAY_SIZE;
this.arr[idx1][idx2] = value;