On Wed, Feb 12, 2014 at 2:54 AM, Stefan Zager <sza...@chromium.org> wrote:
> We in the chromium project have a keen interest in adding threading to
> git in the pursuit of performance for lengthy operations (checkout,
> status, blame, ...).  Our motivation comes from hitting some
> performance walls when working with repositories the size of chromium
> and blink:
> https://chromium.googlesource.com/chromium/src
> https://chromium.googlesource.com/chromium/blink
> We are particularly concerned with the performance of msysgit, and we
> have already chalked up a significant performance gain by turning on
> the threading code in pack-objects (which was already enabled for
> posix platforms, but not on msysgit, owing to the lack of a correct
> pread implementation).

How did you manage to do this? I'm not aware of any way to implement
pread on Windows (without going down the insanity-path of wrapping and
potentially locking inside every IO operation)...
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