this post was submitted on 27 Jul 2025
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How can I improve the performance of OpenBSD? (lemmy.ca)
submitted 6 days ago* (last edited 6 days ago) by hellfire103@lemmy.ca to c/bsd@lemmy.sdf.org
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So, I installed OpenBSD on my ThinkPad T400 a few weeks ago. It was going okay, but then a job came up that required Windows.

I do not run Windows on any of my devices due to a galaxy of reasons, but i keep an old hard drive handy with Tiny10 that I can shove into a laptop when needed (a rare occurrence).

Anyway, I noticed that somehow, Tiny10 actually ran considerably better than OpenBSD on this particular machine, despite also using a hard drive rather than an SSD.

My OpenBSD setup uses bspwm, and my RAM usage is normally quite low unless vimb is open.

Is there any way i could increase the performance of OpenBSD on my ThinkPad?

Specifications

  • CPU: Intel Core 2 Duo P8400
  • GPU : Intel Mobile 4 Series Chipset
  • RAM: ~8GB
  • Disk: 240GB SATA SSD
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[โ€“] hexagonwin@lemmy.sdf.org 2 points 6 days ago (1 children)

maybe hyperthreading is disabled on openbsd? or meltdown/spectre mitigation not applied to old tiny10?

[โ€“] Evil_Shrubbery@lemmy.zip 1 points 6 days ago

No hyperthreading on that proc :/.