Bad performance of g++ on HP-UX???

N8TM@aol.com N8TM@aol.com
Sun Oct 31 23:03:00 GMT 1999


In a message dated 10/19/99 5:17:33 PM Pacific Daylight Time, 
vanpraet@retarget.com writes:

> As a matter of fact, code compiled by g++ on HP is
>    *4 times slower* than on SUN...
Surely this comparison is influenced by which CPU models you are using. But, 
it's true that the gnu compilers were particularly inefficient on the HP-735 
I had for 5 years, giving less than 50% of the performance of HP compilers.  
Recent work may have improved this situation somewhat for the newer 
out-of-order execution processors, which ought not to be so dependent on a 
close match between the compiler and the hardware.

Tim
tprince@computer.org 



More information about the Gcc-bugs mailing list