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I've faced with the speed regression between version 2.2.2 and 2.2.3 for pointFromScalar method.
Simple test:
import * as secp256k1 from 'tiny-secp256k1';
import crypto from 'crypto';
const bufs = Array(10_000).fill(undefined).map(() => crypto.randomBytes(32));
for (const buf of bufs) {
secp256k1.pointFromScalar(buf);
}% time node tiny-222.js
node tiny-222.js 0,79s user 0,02s system 103% cpu 0,783 total
% time node tiny-223.js
node tiny-223.js 1,34s user 0,02s system 101% cpu 1,335 totalSo at least pointFromScalar method became two times slower.
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