> Hi, I run both Solaris 10 and NetBSD-current on > Ultra 10. What I notice is that NetBSD performs much > faster and Solaris feels quite bloated. Forking new > processes on Solaris is so slow, why is that? Some > applications consume a lot more CPU time on Solaris, > compared to the same applications on NetBSD.
What exactly are you trying to compare ? Forking new processes in NetBSD and Solaris ? > Does Solaris have too much overhead in its kernel > due to fine-grained locking, so that single CPU > machines lose out big time? I also read somewhere > that Solaris kernel had a lot of indirection, which > impairs overall performance, how true is that? > Solaris 10 is packed with features, but I get the > feeling this results in a lot of bloat, which slows > things down. Also does anyone know much about > virtual memory subsystems on Solaris vs BSD, and how > they differ in terms of performance? You might like to read the following article: http://www.opensolaris.org/os/article/2005-10-14_a_comparison_of_solaris__linux__and_freebsd_kernels/ Stefan Parvu Blog: http://stefanparvu.blogspot.com _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org