Hey Tim, please try a later version of FreeBSD 7, there's been many improvements in the malloc(3) code since 7.0 so these results aren't very meaningful.
Can you let us know what you see with 7-stable? thanks, -Alfred * Tim Traver <[EMAIL PROTECTED]> [080812 14:39] wrote: > Hi All, > > I have recently had the opportunity to upgrade a few servers from old > versions of 5.4 to 7.0, and have seen some interesting data. Before > doing this, I wanted to take some benchmarks to see how the scripts that > I would run would fare between the two versions, and the results are > somewhat confusing... > > I tried to get as many ducks in a row before posting this, cause i don't > want to waste any of the developers precious time, but I can't guarantee > that my methods were not flawed. > > For simplicity, I used a port called ubench (the latest version 0.3, > which I know is quite old) to get the following numbers : > > Since I was doing this on the same machine, with completely different > builds (not simply a compile upgrade, but a full install), I figure it > doesn't really matter what kind of machine it is, but just for grins, it > is a Dual Opteron with 2GB of memory in it, compiled with the i386 confs. > > The 7.0 is compiled with the ULE scheduler... > > The following are averages of at least 5 runs : > > FreeBSD 5.4 - CPU 112,721 - MEM - 146,483 > FreeBSD 7.0 - CPU 177,339 - MEM - 95,920 > > Now, I really don't know exactly what the ubench program is doing, but I > think the description says that it is doing random integer and floating > point operations for the CPU tests, and random memory allocation and > copying for the memory test. > > So, can we explain the difference???? It looks like the latest SMP code > allows it to process more operations, but what happened to the memory > operations???? > > Just to get an idea of what this was going to do to my scripts, I tried > some benchmarks for those as well. > > I tried to run a PHP script using php 4.4.7 and got the following results : > > Using "time php index.php" to get the real time : > > FreeBSD 5.4 - 0.290 seconds > FreeBSD 7.0 - 0.335 seconds > > So, do the slower memory operations cause that difference in the real > time it takes to run that script??? > > Thanks, > > Tim. > > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to > "[EMAIL PROTECTED]" -- - Alfred Perlstein _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[EMAIL PROTECTED]"
