Date: Mon, 25 Jul 2011 15:45:37 +0200 From: magnum <rawsmooth@...dband.net> To: john-dev@...ts.openwall.com Subject: Re: John 1.7.7-jumbo-5 On 2011-06-03 13:36, magnum wrote: > On 2011-06-03 10:05, magnum wrote: >> On 2011-06-03 05:04, Solar Designer wrote: >>>> Changed NT's asm code (x86_sse.S) to properly work with UTF-8. (Alain >>>> Espinosa ????) >>> >>> What's the performance impact for non-UTF-8? (I'd expect 1% or so.) >> >> I did not manage to see any. I was prepared to keep the old code and use >> it when not running utf8 but it wasn't needed. Some other mods make a >> non-utf8 NT boost from 24000K (jumbo 1) to >27000K on my machine (while >> --utf8 speed is near 21000K). > > I tried again now and there is of course a little impact: About 1.5% > (average speed for five tests of each). We could use both versions in > the future if we like to but I'm not sure it's worth it - it's less than > the normal fluctuation between test runs. I think a 4 bytes binary size > will gain much more... but then again, why not do both! I just added the old version again under a new name (nt_crypt_all_8859_1_x86_64) and this one is used when not in UTF-8 mode. The speedup is almost not measurable here but hey, it can't hurt. This is the "0010" patch for john-1.7.8-jumbo-4, on the wiki now. magnum
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