L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- ereshkiga Linux 2.6.10- results-newchain-stacke 2974 ereshkiga Linux 2.6.10- results-newchain-stacke 2974 ereshkiga Linux 2.6.10- results-newchain-stacke 2974 ereshkiga Linux 2.6.10- results-newchain-stacke 2974 Processor, Processes - times in microseconds - smaller is better ---------------------------------------------------------------- Host OS Mhz null null open selct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- ereshkiga Linux 2.6.10- 2974 0.14 0.49 3.40 4.14 4.753 0.51 1.61 78.7 383. 1705 ereshkiga Linux 2.6.10- 2974 0.14 0.48 3.39 4.23 0.51 1.62 77.9 368. 1718 ereshkiga Linux 2.6.10- 2974 0.14 0.48 3.37 4.36 0.51 1.60 76.4 379. 1708 ereshkiga Linux 2.6.10- 2974 0.14 0.49 3.53 4.29 4.764 0.51 1.59 77.6 366. 1714 MEAN 3.42 4.26 4.759 0.51 1.61 77.7 374 1711 STDEV 0.06 0.08 0.006 0.01 0.8 7 5 CI (95%) Context switching - times in microseconds - smaller is better ------------------------------------------------------------- Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw --------- ------------- ----- ------ ------ ------ ------ ------- ------- ereshkiga Linux 2.6.10- 1.560 2.4100 4.5100 3.2000 33.9 6.81000 36.5 ereshkiga Linux 2.6.10- 1.690 2.4100 4.5100 3.2200 28.3 7.06000 38.4 ereshkiga Linux 2.6.10- 1.590 2.4600 4.4900 3.3600 26.5 6.05000 38.8 ereshkiga Linux 2.6.10- 1.620 2.4300 4.5200 3.1700 29.0 6.40000 36.5 MEAN 1.615 2.43 4.51 3.24 29.4 6.58 37.6 STDEV 0.048 0.02 0.01 0.07 2.7 0.39 1.1 CI (95%) *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- ereshkiga Linux 2.6.10- 1.560 5.598 10.3 16.9 24.1 19.9 27.9 65.9 ereshkiga Linux 2.6.10- 1.690 5.714 10.4 17.0 23.8 20.2 27.5 66.4 ereshkiga Linux 2.6.10- 1.590 5.676 11.6 17.0 23.7 19.9 27.5 66.1 ereshkiga Linux 2.6.10- 1.620 5.732 11.9 17.1 23.9 20.1 27.9 65.9 MEAN 1.615 5.680 11.05 17.0 23.9 20.0 27.7 66.1 STDEV 0.048 0.051 0.71 0.1 0.1 0.1 0.2 0.2 CI (95%) File & VM system latencies in microseconds - smaller is better -------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page Create Delete Create Delete Latency Fault Fault --------- ------------- ------ ------ ------ ------ ------- ----- ----- ereshkiga Linux 2.6.10- 21.8 10.3 49.4 16.8 1028.0 0.648 1.00000 ereshkiga Linux 2.6.10- 21.9 10.3 50.6 16.8 1023.0 0.632 1.00000 ereshkiga Linux 2.6.10- 21.8 10.2 50.1 16.5 1031.0 0.669 1.00000 ereshkiga Linux 2.6.10- 22.0 10.3 49.6 16.8 1027.0 0.656 1.00000 MEAN 21.9 10.3 49.9 16.7 1027.3 0.651 STDEV 0.1 0.04 0.5 0.1 2.9 0.013 CI (95%) *Local* Communication bandwidths in MB/s - bigger is better ---------------------------------------------- Host Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ---- ---- ---- ------ ------ ------ ------ ---- ----- ereshkiga 1181 2709 593. 1686.7 1913.7 597.1 627.3 1913 862.7 ereshkiga 1192 2821 623. 1677.2 1914.3 603.1 629.9 1914 874.5 ereshkiga 1177 2717 560. 1673.5 1912.8 609.9 628.8 1913 886.3 ereshkiga 1122 2835 570. 1668.7 1913.2 615.5 630.5 1913 882.6 MEAN 1168 2771 587 1676.5 1913.5 606.4 629.1 1913.24 876.5 STDEV 27 58 24 6.6 0.6 6.9 1.2 0.4 9.1 CI (95%) Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- ereshkiga Linux 2.6.10- 2974 0.671 6.1700 112.4 ereshkiga Linux 2.6.10- 2974 0.678 6.1710 112.6 ereshkiga Linux 2.6.10- 2974 0.703 6.1710 112.8 ereshkiga Linux 2.6.10- 2974 0.671 6.1710 112.3