原始文献 / 论坛帖 / Re: tcatm's 4-way SSE2 for Linux 32/64-bit is in 0.3.10
Re: tcatm's 4-way SSE2 for Linux 32/64-bit is in 0.3.10
Bitcointalk · 2010-08-24 22:43:56 UTC
AuthorSatoshi Nakamoto
TitleRe: tcatm's 4-way SSE2 for Linux 32/64-bit is in 0.3.10
Date2010-08-24 22:43:56 UTC
ForumBitcointalk · 原文
引用自 ArtForz，发表于 August 21, 2010, 04:56:31 PM（https://bitcointalk.org/index.php?topic=820.msg10609#msg10609）
- AMD K10: 2 128bit units
- intel nehalem: 3 128bit units
这大概解释了为什么超线程能提升 -4way 的性能。如果三个 SSE2 单元过剩，那么超线程就能让它们全都保持忙碌。
英文原文
Quote from: ArtForz on August 21, 2010, 04:56:31 PM（https://bitcointalk.org/index.php?topic=820.msg10609#msg10609）
> - AMD K10: 2 128bit units
> - intel nehalem: 3 128bit units
This probably explains why hyperthreading increases performance with -4way. If three SSE2 units is excessive, then hyperthreading would help keep them all busy.