@shumai/shumai
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A fast, network-connected, differentiable tensor library for TypeScript (and JavaScript). Built with bun + flashlight for software engineers and researchers alike.
16 lines (13 loc) • 526 B
text/typescript
// https://stackoverflow.com/a/52171480
export function cyrb53(str, seed = 0) {
let h1 = 0xdeadbeef ^ seed
let h2 = 0x41c6ce57 ^ seed
for (let i = 0, ch; i < str.length; i++) {
ch = str.charCodeAt(i)
h1 = Math.imul(h1 ^ ch, 2654435761)
h2 = Math.imul(h2 ^ ch, 1597334677)
}
h1 = Math.imul(h1 ^ (h1 >>> 16), 2246822507) ^ Math.imul(h2 ^ (h2 >>> 13), 3266489909)
h2 = Math.imul(h2 ^ (h2 >>> 16), 2246822507) ^ Math.imul(h1 ^ (h1 >>> 13), 3266489909)
return 4294967296 * (2097151 & h2) + (h1 >>> 0)
}