--- wikisrc/users/jym/benchmarks.mdwn 2010/07/10 23:02:32 1.1 +++ wikisrc/users/jym/benchmarks.mdwn 2010/07/10 23:25:33 1.2 @@ -54,6 +54,10 @@ This machine uses HT - so technically sp ## PAE ## +[[build-pae.png]] +[[hackbench-pae.png]] +[[sysbench-pae.png]] + Overall, PAE affects memory performance by a 15-20% ratio; this is particularly noticeable with sysbench and hackbench, where bandwidth and thread/process creation time are all slower. Userland remains rather unaffected, with differences in the 5% range; build.sh -j4 runs approximately 5% slower under PAE, both for native and Xen case. @@ -64,4 +68,9 @@ Notice that, in a MP context, Xen stays ## Xen ballooning ## +[[build-balloon.png]] +[[hackbench-balloon.png]] +[[sysbench-balloon.png]] + + In essence, there is not much to say. Results are all below the 5% margin, adding the balloon thread did not affect performance or process creation/scheduling drastically. It is all noise. The timeout delay added by cherry@ seems to be reasonable (can be revisited later, but does not seem to be critical).