2.6.16-rc6 Transparent Paravirtualization Performance Confidence Interval Widths2.6.16-rc6 Transparent Paravirtualization Performance Confidence Interval Widths Updated: 03/20/2006 * Contact: Anne Holler (anne@xxxxxxxxxx) Values are 95% confidence interval width around mean given in terms of percentage of mean P4 Opteron Native VMI-Native Native VMI-Native Dbench2.0 1client 5.0% 1.4% 0.8% 3.6% Netperf Receive 0.1% 0.0% 0.0% 0.0% Send 0.6% 1.8% 0.0% 0.0% Kernel compile UP 3.4% 2.6% 2.2% 0.0% SMP/2way 2.4% 4.9% 4.3% 4.2% Lmbench process time latencies null call 0.0% 0.0% 0.0% 0.0% null i/o 0.0% 0.0% 5.2% 10.8% stat 1.0% 1.0% 1.7% 3.2% open clos 1.3% 0.7% 2.4% 3.0% slct TCP 0.3% 0.3% 19.9% 20.1% sig inst 0.3% 0.5% 0.0% 5.5% sig hndl 0.4% 0.4% 2.0% 2.0% fork proc 0.5% 0.9% 0.8% 1.0% exec proc 0.8% 0.9% 1.0% 0.7% sh proc 0.1% 0.2% 0.9% 0.4% Lmbench context switch time latencies 2p/0K 0.8% 1.8% 16.1% 9.9% 2p/16K 1.5% 1.8% 10.5% 10.1% 2p/64K 2.4% 3.0% 1.8% 1.4% 8p/16K 4.5% 4.2% 2.4% 4.2% 8p/64K 3.0% 2.8% 1.6% 1.5% 16p/16K 3.1% 6.7% 2.6% 3.2% 16p/64K 0.5% 0.5% 2.9% 2.9% Lmbench system latencies Mmap 0.7% 0.3% 2.2% 2.4% Prot Fault 7.4% 7.5% 49.4% 38.7% Page Fault 0.2% 0.2% 2.4% 2.9% Kernel Microbenchmarks getppid 1.7% 2.9% 3.5% 3.5% segv 2.3% 0.7% 1.8% 1.9% forkwaitn 0.8% 0.8% 5.3% 2.2% divzero 0.9% 1.3% 1.2% 1.1%