Hi,

On Tue, 30 Jan 2007, Shawn O. Pearce wrote:

quoted text
> Johannes Schindelin <Johannes.Schindelin@gmx.de> wrote:
> > > I wonder what the difference is between NO_MMAP=Yes and NO_MMAP=
> > > on Windows.
> > Cygwin:
> > 	real    0m0.812s
> > and
> > 	real    0m2.094s
> > 
> > IOW, the numbers are slightly worse (!) than with mmap().
> 
> Slightly?  That's double the time!

Nope. What I meant is this: rev-list takes 0.8s without NO_MMAP, while it 
takes 0.75s with NO_MMAP, and similarly log takes 2.09s without NO_MMAP, 
while it takes 2.065 with NO_MMAP.

quoted text
> > MinGW does not even have mmap().
> 
> But Windows has something almost there.

Yeah, CreateFile(). Very intuitive name.

quoted text
>  I just read a flame war thread about implementing mmap in libiberty for 
> MinGW by stealing source from Cygwin, and how the FSF might feel about 
> someone's dirty feet after playing rugby.

;-)

quoted text
> Yea... Google is good.  :)

Well, I had _horrible_ results in the last two weeks, slowly getting 
better.

Ciao,
Dscho

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