[Mesa-dev] [PATCH 2/2] gallium/os: fix os_time_get_nano() to roll over less
Frank Richter
frank.richter at dynardo.de
Fri Aug 18 07:23:34 UTC 2017
Hi,
On 17.08.2017 02:34, Brian Paul wrote:
>> BTW, I wonder if we would win by using lldiv(). Because this is often
>> use for performance measurements, so these extra division might add some
>> impact.
>
> Frank, do you want to look into that? In the mean time, I'll push the
> patches as-is.
AFAICS, the lldiv implementation in the MSVC runtime (also used by
MinGW) simply does “a = num / denom; b = num % denom;” as well, so it
seems unlikely that lldiv() would give a benefit here.
-f.r.
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