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Performance Gcc 3.3.1 VS 2.95.1
- From: "Yingqi(Richard) XIAO" <xiaoyq at cs dot uchicago dot edu>
- To: gcc at gnu dot org
- Date: Tue, 26 Oct 2004 17:46:26 -0500 (CDT)
- Subject: Performance Gcc 3.3.1 VS 2.95.1
To whom it may concern,
I upgraded one of my gcc from 2.95.1 to gcc 3.3.1 month ago. But now I
found the performance of compiled code is worse than before. It is worse
even with optimization than compiled with 2.95.1 without optimization. For
for (i = 0; i < n; i++)
capacity += 6;
str += "hello\n";
This program will make significant different performance. Could you give
me some explaination? Thanks.