c++ performance regressions in gcc > 2.95.3

2005-08-05 Thread Anthony Danalis
We observed that certain large C++ applications perform worse in gcc-3.x and gcc-4.x than they did in gcc-2.95.3. On the theory that at least some of the cause would show up in microbenchmarks, we tried running bench++ with both old and new toolchains. Because we suspect that part of the regressio

re: c++ performance regressions in gcc > 2.95.3

2005-08-06 Thread dank
Anthony wrote: > We observed that certain large C++ applications perform worse > in gcc-3.x and gcc-4.x than they did in gcc-2.95.3. > On the theory that at least some of the cause > would show up in microbenchmarks, we tried running > bench++ with both old and new toolchains. > ... > http://www.ci