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0 pointsloeg1y ago0 comments

M1 has CRC32 acceleration intrinsics.

0 comments

So when using these intrinsics an Intel Core i7 can do 30 GB/s but the performance check linked above (by isosphere ) says only 300 MB/s, i.e. 1%

Something is amiss here.

If a CPU can do 30 GB/s then a CRC check should not have any real performance impact.

loegOP1y ago

I don't know where you're getting 300 MB/s from.

Page 5 of https://www-staging.commandprompt.com/uploads/images/Command... says "This system can checksum data at about 300 MB/s per core."

It lacks page numbers. Page 5 is first page with gray box at the top of the page.

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