Optimizing away "ReadFile" calls when Make calls stat()

[Christopher Faylor]

On Fri, Feb 16, 2001 at 10:59:49AM -0500, Larry Hall (RFK Partners, Inc) wrote:
>At 04:34 AM 2/16/2001, Warren Young wrote:
>>"Charles S. Wilson" wrote:
>> > 
>> > If I were porting an old app from unix to cygwin, and wanted to tune
>> > performance, I'd much rather do this:
>>
>>Both you and Jonathan have understood my intent perfectly.  
>>
>>Christopher, please do consider this proposal.  It's easy to implement
>>-- probably just a few tweaks on Egor's patch -- and it makes it easy to
>>gain performance with straightforward patches to affected programs. 
>>It'd be nice if we can make Cygwin faster, but this proposal has an
>>inherent advantage: the calling process _knows_ what it wants, whereas
>>Cygwin can only guess or anticipate.
>>
>>Egor, Jonathan, maybe some benchmarks would help convince Christopher of
>>the patch's utility.
>
>Chris sent some email about this yesterday.  He's looking at the possibility
>of eliminating this problem without changing the API.

Nice to see that *someone* is paying attention.

cgf

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