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-   -   Intel Xeon PHI? (https://www.mersenneforum.org/showthread.php?t=25767)

paulunderwood 2021-07-25 02:58

[QUOTE=paulunderwood;583844]Debian 10 (Buster) installed. The chip is running at 1.4GHz even though it says powersave. HyperThreading is off. 32 workers in [U]56 days[/U] for 113M bit candidates :flex: With some runtime tuning I expect this to lower.

Edit: After some runtime tuning by mprime at 2% done the ETA is now 55 days. :tu:[/QUOTE]

After another auto-benchmarking by mprime the ETA is now 47 days (with 4% done) :fusion:

This is about 66% of the speed of a Radeon VII. Not bad for a cheap low-end chip.

kriesel 2021-07-25 16:06

[QUOTE=paulunderwood;583916]After another auto-benchmarking by mprime the ETA is now 47 days (with 4% done) :fusion:

This is about 66% of the speed of a Radeon VII. Not bad for a cheap low-end chip.[/QUOTE]
Radeon VII list was $699 new. Xeon Phi systems were considerably higher, ~$5k new as I recall.
The 7210 alone was ~$2036. [url]https://ark.intel.com/content/www/us/en/ark/products/94709/intel-xeon-phi-processor-7210f-16gb-1-30-ghz-64-core.html[/url]


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