Re: [MLUG] Anyone got a fast modern computer

[Adam Procter <EMAIL:PROTECTED>]

This is on the CS department's 16-core Linux server (I don't know all 
the details of the machine's specs, but I think it has four quad-core 
Xeons of some sort, 2.8GHz). Note that I compiled with an ancient 
version of gcc, 3.4.6, and no -march flag of any kind -- so the results 
were not very good. gcc 4.1 is also on this machine, so I'm going to 
give that a try with -march=nocona, then see if I can build a newer 
version of gcc4 in my user space to give -march=native a whirl.

Adam



[EMAIL:PROTECTED spherical-1.15]$ gcc -v
Reading specs from /usr/lib/gcc/x86_64-redhat-linux/3.4.6/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man 
--infodir=/usr/share/info --enable-shared --enable-threads=posix 
--disable-checking --with-system-zlib --enable-__cxa_atexit 
--disable-libunwind-exceptions --enable-java-awt=gtk 
--host=x86_64-redhat-linux
Thread model: posix
gcc version 3.4.6 20060404 (Red Hat 3.4.6-9)
[EMAIL:PROTECTED spherical-1.15]$ cat record.txt
parameters-dd.txt

real    4m11.133s
user    4m42.881s
sys     10m55.899s
parameters-ft100.txt

real    1m12.220s
user    2m24.437s
sys     4m13.029s
parameters-ft.txt

real    1m17.557s
user    0m50.644s
sys     5m7.477s
parameters-jef.txt

real    75m50.161s
user    728m55.295s
sys     44m17.430s
parameters-mj.txt

real    4m13.495s
user    4m46.861s
sys     11m18.442s


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