2 x quad-core system is slower that 2 x dual core on FreeBSD

[Alexey Popov]

Hi

Robert Watson wrote:
> FreeBSD 7 contains significant optimization for increased numbers of 
> cores, and is where a lot of the work optimizing MySQL has ended up.  I 
> see you're trying out a 6.3 beta, any chance you could try out a 7.0 
> beta instead? Also, consider switching to "options SCHED_ULE" in the 7.0 
> kernel rather than "options SCHED_4BSD".
I tried SCHED_ULE, but got no difference:

last pid:  1063;  load averages: 22.75, 13.76,  6.31    up 0+00:07:24 
17:53:49
56 processes:  33 running, 23 sleeping
CPU states: 26.5% user,  0.0% nice, 68.1% system,  0.3% interrupt,  5.1% 
idle
Mem: 365M Active, 20M Inact, 102M Wired, 664K Cache, 46M Buf, 3419M Free
Swap: 2048M Total, 2048M Free

   PID USERNAME   THR PRI NICE   SIZE    RES STATE  C   TIME   WCPU COMMAND
  1019 www          1 101    0   101M 51244K RUN    6   0:37 26.86% httpd
  1040 www          1  -4    0 92476K 42956K RUN    1   0:36 26.76% httpd
  1004 www          1  -4    0 92476K 42864K RUN    4   0:38 25.98% httpd
  1018 www          1 101    0 91452K 41736K CPU3   3   0:37 25.68% httpd
  1000 www          1 101    0 92476K 42544K RUN    0   0:36 25.29% httpd
  1026 www          1 101    0 93500K 39900K CPU0   0   0:35 25.20% httpd
  1021 www          1 101    0   101M 49432K RUN    4   0:37 25.10% httpd
  1024 www          1 101    0 93500K 44416K RUN    5   0:37 25.10% httpd
  1020 www          1 101    0 94524K 43684K RUN    0   0:37 25.00% httpd
  1030 www          1 101    0 96576K 46004K RUN    3   0:36 25.00% httpd
  1031 www          1 101    0   101M 50956K RUN    3   0:37 24.66% httpd
  1025 www          1 101    0 94524K 43880K RUN    5   0:36 24.56% httpd
  1041 www          1 101    0 92476K 41792K RUN    2   0:36 24.56% httpd
  1022 www          1 101    0   101M 48932K RUN    5   0:36 24.27% httpd

With best regards,
Alexey Popov