------- Additional Comments From jaffe at broad dot mit dot edu 2005-09-13 22:03 ------- We recompiled gcc 4.1.0 with checking disabled. The results are now less dramatic but still of concern: optimized 4.1.0 compiles take about twice as long as 3.4.3 compiles on the test case:
Compile time in seconds -O0 -O1 -O2 -O3 3.4.3 5.659 9.515 13.811 14.779 4.1.0 5.863 22.025 32.208 32.611 % gcc -v Using built-in specs. Target: ia64-unknown-linux-gnu Configured with: ../configure --prefix=/wga1/gcc --enable-checking=release Thread model: posix gcc version 4.1.0 20050730 (experimental) -- What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW Ever Confirmed| |1 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23835