Re: Performance of gcc 4.1 vs gcc 3.4

2007-01-15 Thread Jim Wilson
ying lcs wrote: Can you please tell me if there is any performance gain in the output program if i switch from gcc 3.4 to gcc 4.1 on Red hat Enterprise linux 4? Performance varies greatly from one application to the next. The only way to tell if you will see a performance gain with your appli

RE: Performance of gcc 4.1 vs gcc 3.4

2007-01-15 Thread Dave Korn
On 15 January 2007 15:02, ying lcs wrote: > Hi, > > Can you please tell me if there is any performance gain in the output > program if i switch from gcc 3.4 to gcc 4.1 on Red hat Enterprise > linux 4? > > Thank you. Yes, you can expect at least a 20dB gain in SNR, a 12% increase in miles per