where's the speed?

Jeffrey A Law law@cygnus.com
Sat Jan 10 21:31:00 GMT 1998


  In message < 19980107204042.63452@cerebro.laendle >you write:
  > 
  > Since (at least) snapshot 971225 of egcs I get a speed *decrease* on
  > i586-pc-linux-gnu when I select -funroll-all-loops (say, 4%-5% on gzip).
  > 
  > Formerly, I got an 4-5% increase when using -funroll-all-loops on x86.
  > 
  > Has anybody else measured such a difference?
Interesting.  Someone will have to look at the loop and see what's going
on.

Jeff



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