stdio and Tango I/O performance
Andrei Alexandrescu (See Website For Email)
SeeWebsiteForEmail at erdani.org
Wed Mar 21 10:25:35 PDT 2007
Lars Ivar Igesund wrote:
> Andrei Alexandrescu (See Website For Email) wrote:
>
>> This ate a lot of time measuring, testing, and optimizing. So I have a
>> question - has anyone verified that Tango's I/O performance is up to
>> snuff? I see it imposes the dynamic-polymorphic approach, and unless
>> there was some serious performance work going on, it's possible it's
>> even slower than stdio.
>
> If you have actually tested Tango IO and finds it to be slower than
> the "new" stdio, then this would be interesting to know, and also the test
> harness in use. If not, I find your suggestive tone above to be rather
> rude, given the time put into making Tango IO as good as possible. If the
> IO in Phobos has been as slow as you say, I highly doubt that Tango has
> been in similar ranges, given that it obviates C IO by going directly to
> the OS via a buffer.
>
> Now, if you have tested that Tango's IO is slower than Phobos, then maybe
> you could spend some time helping to improve it too? Your approach above is
> rather unconstructive in an overall fashion.
This is a misunderstanding. To date I haven't downloaded Tango.
Andrei
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