Better sleep on Windows - new round

[Mike]

Could it be power issues? Maybe more strong power supply needed?

A Corsair AX 750I should be enough.
I also tested a 850 Watt.

I only have rock solid components.
Mobo Asus Sabertooth
Corsair AX 750i PSU
Kingston RAM
Noctua Heat think
Sapphire tricool GPU

Believe me its the FX.
The FX only has 4 FPU`s but 8 physical CPU cores and since seti app uses mostly FPU you don`t need a calculator.
There is no room  left for OS specific operations.
That`s why i usually run seti on 4 cores only and it is fully loaded.
I can encode HD video on 8 cores for 24 hours without any issues cause its not FPU bound.
CPU dont exceed 55°C.

[Raistmer]

And data from GT720 on busy i5-3470 (high_prec timer enabled):

MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep0.exe -verb -nog :
  Elapsed 3018.575 secs, speedup: 46.57%  ratio: 1.87x
      CPU 358.599 secs, speedup: 90.99%  ratio: 11.10x
MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep1.exe -verb -nog :
  Elapsed 3024.707 secs, speedup: 46.46%  ratio: 1.87x
      CPU 326.494 secs, speedup: 91.80%  ratio: 12.19x
MB8_win_x86_SSE3_OpenCL_NV_SoG_STT.exe -verb -nog :
  Elapsed 3034.625 secs, speedup: 46.29%  ratio: 1.86x
      CPU 334.591 secs, speedup: 91.59%  ratio: 11.89x

Sleep0:class SleepQuantum:      total=5073.9668,   N=3152,   <>=1.609761,   min=0.011221858   max=8.9496584
Sleep1:class SleepQuantum:      total=3132.7358,   N=3153,   <>=0.99357305,   min=0.85221332   max=3.1896715
STT:    class SleepQuantum:      total=15702.391,   N=2136,   <>=7.3513065,   min=0.01114194   max=16.63485

Nothing new here, just support of prev conclusions.

GT720 on busy i5-3470 (timer at default after host power cycle):
MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep0.exe  :
  Elapsed 3095.420 secs, speedup: 45.21%  ratio: 1.83x
      CPU 268.571 secs, speedup: 93.25%  ratio: 14.82x
MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep1.exe  :
  Elapsed 3051.709 secs, speedup: 45.98%  ratio: 1.85x
      CPU 273.017 secs, speedup: 93.14%  ratio: 14.58x
MB8_win_x86_SSE3_OpenCL_NV_SoG_STT.exe  :
  Elapsed 3014.658 secs, speedup: 46.64%  ratio: 1.87x
      CPU 319.958 secs, speedup: 91.96%  ratio: 12.44x

Sleep0:class SleepQuantum:      total=38777.035,   N=1595,   <>=24.311621,   min=3.4529493   max=51.648083
Sleep1:class SleepQuantum:      total=24096.59,   N=1575,   <>=15.299422,   min=14.763614   max=15.852066
STT:class SleepQuantum:      total=13195.877,   N=2761,   <>=4.7793832,   min=0.012540359   max=23.805403

And here advantage of STT finally appeared. With sleep quantum only ~15ms STT remained on ~4-5ms range.

CPU idle:
MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep0.exe  :
  Elapsed 29005.994 secs, speedup: -413.41%  ratio: 0.19x(suspended through night)
      CPU 1725.527 secs, speedup: 56.64%  ratio: 2.31x
MB8_win_x86_SSE3_OpenCL_NV_SoG_Sleep1.exe  :
  Elapsed 3032.034 secs, speedup: 46.33%  ratio: 1.86x
      CPU 299.272 secs, speedup: 92.48%  ratio: 13.30x
MB8_win_x86_SSE3_OpenCL_NV_SoG_STT.exe  :
  Elapsed 3007.939 secs, speedup: 46.76%  ratio: 1.88x
      CPU 1729.599 secs, speedup: 56.54%  ratio: 2.30x

Sleep0:class SleepQuantum:      total=49.532238,   N=3197,   <>=0.015493349,   min=0.012275338   max=8.6543369
Sleep1:class SleepQuantum:      total=24069.621,   N=1575,   <>=15.282299,   min=4.3649426   max=15.597382
STT:    class SleepQuantum:      total=40.04808,   N=3215,   <>=0.012456635,   min=0.012152191   max=0.0152032

approx context switch overhead for i5-3470: 0.015493349ms-0.012456635ms=0.003036714ms~3us