Messages in this thread | | | From | "Jason A. Donenfeld" <> | Date | Tue, 11 Jan 2022 14:00:44 +0100 | Subject | Re: [PATCH v2 2/2] random: use BLAKE2s instead of SHA1 in extraction |
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On Tue, Jan 11, 2022 at 1:58 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote: > Cool, much more than 1000 bytes: > > add/remove: 1/0 grow/shrink: 0/1 up/down: 160/-4032 (-3872) > Function old new delta > blake2s_sigma - 160 +160 > blake2s_compress_generic 4448 416 -4032 > Total: Before=4227876, After=4224004, chg -0.09% > > I don't know what the impact is on performance, and if the compiler > might do a good job unrolling this again when performance matters > (i.e. if CONFIG_CC_OPTIMIZE_FOR_SIZE is not set).
Oh, wow, that's a lot indeed.
I guess the new code could be ifdef'd in a CONFIG_CC_OPTIMIZE_FOR_SIZE block?
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