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discomfitor
l33t
Joined: 21 Feb 2003
Posts: 927
Location: None
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 Posted: Sat Nov 13, 2010 11:33 am Post subject: |
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oh wow this thread is old
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There is no substitute for experience.
Imperfection indicates a lack of effort. |
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skellr
l33t
Joined: 18 Jun 2005
Posts: 698
Location: The Village
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| Posted: Sat Nov 13, 2010 1:25 pm Post subject: |
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| You know your box is fast when it doesn't have time to break. |
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Marctraider
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Joined: 24 Dec 2003
Posts: 387
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| Posted: Wed Nov 24, 2010 5:15 pm Post subject: |
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lol indeed very old.
I must laugh about this ricer shit and all, however. I must add to the 'hdparm' section that I actually had some speed optimization from a certain parameter which was probably disabled in the BIOS on my old Toshiba (Pentium) laptop which I couldn't change there. It sped up my harddrive by almost half the speed. Since the IDE controller only worked in Programmed Input/Output (PIO) mode i needed all speed i could get. (were it to be 30-40% at least).
I had to enable the 32-bit transfer mode. This seemly wasnt enabled by default at that time by kernel.
My write/read speed went from 3~MB/s to like 6MB/s.
But it was not the processor which was holding me down. It was primarily the harddisk/harddisk space and memory usage which I had to 'optimize'. (-Os for the win!) lol
Now thats some speed increase dont you think? hehe.
But seriously, at a time i could consider myself a beginning ricer. But I stopped with it as soon as I got a faster computer. LOL.
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Yamakuzure
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Joined: 21 Jun 2006
Posts: 779
Location: Hamburg, Germany
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| Posted: Thu Nov 25, 2010 10:49 am Post subject: |
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I bet the "ricing" discussion will have a very noisy "comeback" when GCC-4.5 is marked stable and people realize what Graphite can do. 
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| Kernel 3.3.1 sources wrote: | | drivers/net/ethernet/realtek/r8169.c:74 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */ |
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Ormaaj
Guru
Joined: 28 Jan 2008
Posts: 312
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| Posted: Mon Nov 29, 2010 7:30 am Post subject: |
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| Yamakuzure wrote: | | I bet the "ricing" discussion will have a very noisy "comeback" when GCC-4.5 is marked stable and people realize what Graphite can do. |
Graphite has been around since 4.4 and you still have to explicitly enable the flags as of 4.5 AFAICT.
This box:
CFLAGS="-march=native -O3 -mmmx -floop-interchange -floop-strip-mine -floop-block -pipe"
Makes it look ricey. |
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Yamakuzure
l33t
Joined: 21 Jun 2006
Posts: 779
Location: Hamburg, Germany
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| Posted: Thu Dec 09, 2010 3:07 pm Post subject: |
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Of course. But I was merely thinking of: | Code: | CFLAGS="-march=core2 -O2 -pipe -mmmx -msse -msse2 -msse3 -mssse3 -mcx16 -msahf -mtune=core2 -mfpmath=sse -ftree-vectorize -mno-push-args -floop-interchange -fgraphite-identity -ftree-loop-distribution -floop-parallelize-all -floop-strip-mine -floop-block -ftree-parallelize-loops=5"
CXXFLAGS="${CFLAGS}" |
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| Kernel 3.3.1 sources wrote: | | drivers/net/ethernet/realtek/r8169.c:74 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */ |
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