On 24 Aug 2014, at 18:57, J. Hannken-Illjes <[email protected]> wrote:
<snip> > I tried to bisect and got an increase in time from ~15 secs to ~24 secs > between the time stamps '2012-09-18 06:00 UTC' '2012-09-18 09:00 UTC'. > > Someone should redo this test as this interval is the import of the > compiler (GCC 4.5.3 -> 4.5.4) and I had to rebuild tools. I cant > believe this to be a compiler problem. GCC 4.5.4 disabled builtin memcmp as x86 has no cmpmemsi pattern. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43052, Comment 16. Could this be the cause of this big loss in performance? -- J. Hannken-Illjes - [email protected] - TU Braunschweig (Germany)
