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alloc: mem{cpy, set, move} improvements #75

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alloc: mem{cpy, set, move} improvements #75

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@sajattack sajattack commented Aug 12, 2020 •
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memcpy times in us for 1MB:
pic_0000

Edit: there was a mistake in the vfpu code, now it is faster than cpu32

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pic_0002

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dmac has set up cost that evens out with cpu32 around 8kB of copying and gets better from there.

@sajattack sajattack changed the title alloc: copy 32 bits at a time for better performance alloc: mem{cpy, set, move} improvements Aug 13, 2020
@sajattack sajattack marked this pull request as draft July 11, 2022 04:09
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Something broke and this no longer runs correctly after a rebase. Needs further investigation.

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