this post was submitted on 14 Aug 2023
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[–] [email protected] 12 points 1 year ago (2 children)

I want to see benchmarks on how this affects actual gameplay. That’ll be the real story.

[–] [email protected] 4 points 1 year ago (2 children)

From what I've seen the authors of the papers have listed the zenbleed mitigation impact as "statistically insignificant".

[–] [email protected] 4 points 1 year ago

Which was in stark contrast to Intel's "up to 50%" performance hit for the Downfall fix.

[–] [email protected] 3 points 1 year ago* (last edited 1 year ago)

Which is clearly not correct. Take a look at eg. this benchmark; many workloads take a sizeable hit. Even plain 'ol glibc sin and cos take about 8% longer, and the most pathological hit was the MariaDB workload which took almost 200% longer. Looks like many tasks related to math or heavy-duty string processing will be at least 10-20% slower, but it's hard to say yet what this'll do to games. I'd expect CPU-heavy games to be affected

[–] [email protected] 1 points 1 year ago* (last edited 1 year ago)