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GPU Auto Optimizer v0.4.4

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@github-actions github-actions released this 11 Oct 12:55
· 100 commits to main since this release
v0.4.4
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Learn about vigilant mode.

This is a pre-release for testing. The app does not offer it as an update. It follows 0.4.3, in which a memory search went too far on a tester's card and froze the PC.

Fixed

  • The memory search could climb until the PC froze. The search finds the memory offset by measuring memory bandwidth and stops at the peak, long before the first error. When that measurement did not work, it climbed on stability alone instead. On an RTX 3080 Ti that climb went to +2300 MHz and the machine froze with a corrupted screen. Now a bandwidth measurement that does not work means no memory overclock: the run says so, leaves the memory at stock and still searches the core.

New

  • run.log. Every line a run shows is also written to C:\ProgramData\GpuAutoOptimizer\run.log, as it happens, so that it is still there after a crash. Please send it along with a problem report.
  • A run does not start next to MSI Afterburner or RivaTuner, and says which one to close.
  • A run does not start while Automatic Tuning is on in the NVIDIA app (System, Performance): NVIDIA's own scanner loads the card and changes its clocks when it sees fit, also in the middle of a run. gao --status shows what the app reads.
  • The list of probes on the run screen uses the rest of the window.

Before a run

  1. Close MSI Afterburner completely, also its icon in the notification area, and RivaTuner if you have it.
  2. NVIDIA app, System, Performance: switch Automatic Tuning off.
  3. Keep the NVIDIA overlay (Alt+Z) closed during the run.
  4. Close games and other programs that use the graphics card.

Installing

Download the zip below, unzip it and start GpuAutoOptimizer.exe. Answer Yes when it offers to replace an older copy in the tray.

Known

  • On a card where the bandwidth measurement does not work, this version finds no memory overclock at all. Why it failed on the card above is not known yet; run.log is there to find out.
  • A card that is hotter at stock than a profile allows gets its power limit lowered to meet the profile's temperature. On the RTX 3080 Ti above that made "Best of my GPU" slower than stock. Not solved in this version.
  • The NVIDIA overlay is not detected; keeping it closed is up to you.
  • The executables are not signed. Windows SmartScreen may warn at the first start, and a detection by an antivirus program cannot be ruled out; if you see one, please open an issue.
  • Tested on one PC: an RTX 4070 with driver 617.42.
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