5 ms·
Unfortunately some exchanges (twse) uses packed BCD encoding.
by ks6g10 2mo ago
Unfortunately some exchanges (twse) uses packed BCD encoding.
- Joker_vD 2mo agoBCD allows for insanely fast conversion to and from decimal string representation. And if doing arithmetic in it is only slightly worse than doing it in binary... it may actually be faster on the whole for some workloads.
- gmueckl 2mo agoBut those instructions were dropped in 64 bit mode.