Optimizing libc/string for amd64(?)
Martin
nakal at nurfuerspam.de
Sun Jun 5 10:21:16 GMT 2005
Oliver Lehmann wrote:
> AMD64 3500+ running 6.0-CURRENT/amd64.
> I've no i386 with aprox. the same speed I could compare with.
>
> TEST : Iterations/sec. : Old Index : New Index
> : : Pentium 90* : AMD K6/233*
> --------------------:------------------:-------------:------------
> NUMERIC SORT : 2151.5 : 55.18 : 18.12
> STRING SORT : 185.65 : 82.95 : 12.84
> BITFIELD : 4.8454e+08 : 83.12 : 17.36
> FP EMULATION : 140.8 : 67.56 : 15.59
> FOURIER : 17614 : 20.03 : 11.25
> ASSIGNMENT : 25.529 : 97.14 : 25.20
> IDEA : 2779.5 : 42.51 : 12.62
> HUFFMAN : 1715 : 47.56 : 15.19
> NEURAL NET : 24.339 : 39.10 : 16.45
> LU DECOMPOSITION : 1145 : 59.32 : 42.83
STRINGSORT is ok on your box. What are the CFLAGS in your make.conf?
I usually use: "CFLAGS=-O -pipe".
Only IDEA is slightly better on that Athlon64 3000+ (3028).
Martin
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