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Re: IO speed slipping again?


Benjamin Kosnik writes:
 > 
 > >Hi, all.  For a little while, the mainline library has been giving
 > >output speeds close to gcc 2.95 (within 10-20%).  Some time in the
 > >last week or two, the library slowed way down again.  Do any of you
 > >know what might have happened?  Fallout from Paolo's work?  If not,
 > >I'll try to do a search and locate the patch.
 > 
 > I saw the slowdown too, but it seems to have come up again. (I see this
 > across two machines). I suggest trying to isolate libc/kernel/compiler
 > bits. In particular, somebody need to try the current library versus a
 > mid-march compiler.

I just did a search on various versions of the library and didn't
locate a snapshot that performed close to gcc 2.95.  All the versions
I tried were 10-11 sec on the int output test vs 4 sec for 2.95.

Dates I tried:

2003-05-01
2003-05-10
2003-05-20
2003-05-21
2003-06-01
2003-06-02
2003-06-03

Jerry Quinn


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