L M B E N C H 3 . 0 S U M M A R Y ------------------------------------ (Alpha software, do not distribute) Basic system parameters ------------------------------------------------------------------------------ Host OS Description Mhz tlb cache mem scal pages line par load bytes --------- ------------- ----------------------- ---- ----- ----- ------ ---- sp8240 Linux 2.4.25 powerpc-linux-gnu 132 32 32 1.0200 1 sp8240 Linux 2.4.25 powerpc-linux-gnu 132 32 32 1.0100 1 sp8240 Linux 2.4.25 powerpc-linux-gnu 132 32 32 1.0100 1 sp8240 Linux 2.6.11.7 powerpc-linux-gnu 132 32 32 1.0300 1 sp8240 Linux 2.6.11.7 powerpc-linux-gnu 132 32 32 1.0100 1 sp8240 Linux 2.6.11.7 powerpc-linux-gnu 132 32 32 1.0200 1 tqm8xx Linux 2.4.25 powerpc-linux-gnu 50 32 16 1.0100 1 tqm8xx Linux 2.4.25 powerpc-linux-gnu 50 32 16 1.0200 1 tqm8xx Linux 2.4.25 powerpc-linux-gnu 50 32 16 1.0200 1 tqm8xx Linux 2.6.11.7 powerpc-linux-gnu 50 32 16 1.0000 1 tqm8xx Linux 2.6.11.7 powerpc-linux-gnu 50 32 16 1.0000 1 tqm8xx Linux 2.6.11.7 powerpc-linux-gnu 50 32 16 1.0100 1 Processor, Processes - times in microseconds - smaller is better ------------------------------------------------------------------------------ Host OS Mhz null null open slct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- sp8240 Linux 2.4.25 132 1.74 3.44 956. 1046 198. 6.62 25.4 7115 31.K 93.K sp8240 Linux 2.4.25 132 1.74 3.44 942. 1035 198. 6.62 25.3 6977 30.K 91.K sp8240 Linux 2.4.25 132 1.74 3.44 942. 1029 198. 6.62 25.3 6775 30.K 91.K sp8240 Linux 2.6.11.7 132 1.10 3.13 50.6 1204 178. 6.41 41.4 10.K 38.K 102K sp8240 Linux 2.6.11.7 132 1.10 3.13 50.6 1201 178. 6.42 43.3 10.K 38.K 100K sp8240 Linux 2.6.11.7 132 1.10 3.13 50.8 1188 178. 6.42 41.8 10.K 38.K 102K tqm8xx Linux 2.4.25 50 5.71 10.3 1216 1297 485. 22.5 68.0 6758 32.K 111K tqm8xx Linux 2.4.25 50 5.71 10.1 1215 1299 483. 22.5 68.3 6893 32.K 111K tqm8xx Linux 2.4.25 50 5.71 10.1 1223 1298 517. 22.5 69.3 6897 32.K 111K tqm8xx Linux 2.6.11.7 50 3.59 11.3 135. 1638 486. 28.8 97.5 11.K 43.K 130K tqm8xx Linux 2.6.11.7 50 3.59 11.7 135. 1645 492. 28.3 101. 11.K 44.K 131K tqm8xx Linux 2.6.11.7 50 3.58 11.3 138. 1640 489. 29.0 96.1 11.K 44.K 131K Basic integer operations - times in nanoseconds - smaller is better ------------------------------------------------------------------- Host OS intgr intgr intgr intgr intgr bit add mul div mod --------- ------------- ------ ------ ------ ------ ------ sp8240 Linux 2.4.25 7.6800 7.6600 14.8 154.2 177.7 sp8240 Linux 2.4.25 7.6800 7.6600 14.8 154.2 177.8 sp8240 Linux 2.4.25 7.6800 7.6600 14.8 154.2 177.8 sp8240 Linux 2.6.11.7 7.7400 7.7200 15.0 155.6 179.6 sp8240 Linux 2.6.11.7 7.7400 7.7200 15.0 155.5 179.6 sp8240 Linux 2.6.11.7 7.7400 7.7200 15.0 155.5 179.6 tqm8xx Linux 2.4.25 20.4 20.4 42.4 161.0 260.6 tqm8xx Linux 2.4.25 20.6 20.4 42.4 161.0 260.6 tqm8xx Linux 2.4.25 20.4 20.4 42.0 161.0 260.5 tqm8xx Linux 2.6.11.7 21.2 21.2 43.7 165.5 272.0 tqm8xx Linux 2.6.11.7 21.1 21.3 43.8 165.2 271.9 tqm8xx Linux 2.6.11.7 21.2 21.3 43.8 165.3 269.8 Basic float operations - times in nanoseconds - smaller is better ----------------------------------------------------------------- Host OS float float float float add mul div bogo --------- ------------- ------ ------ ------ ------ sp8240 Linux 2.4.25 30.7 30.4 154.2 220.1 sp8240 Linux 2.4.25 30.7 30.4 154.2 220.0 sp8240 Linux 2.4.25 30.7 30.4 154.3 219.2 sp8240 Linux 2.6.11.7 30.9 30.7 155.7 221.8 sp8240 Linux 2.6.11.7 30.9 30.7 155.7 221.4 sp8240 Linux 2.6.11.7 30.9 30.7 155.7 221.6 tqm8xx Linux 2.4.25 4490.1 4114.0 8296.7 22.0K tqm8xx Linux 2.4.25 4490.1 4114.7 8296.7 22.0K tqm8xx Linux 2.4.25 4490.9 4114.0 8295.0 22.0K tqm8xx Linux 2.6.11.7 4656.0 4283.6 8696.7 23.0K tqm8xx Linux 2.6.11.7 4676.8 4274.1 8716.7 23.0K tqm8xx Linux 2.6.11.7 4655.6 4252.3 8695.0 23.1K Basic double operations - times in nanoseconds - smaller is better ------------------------------------------------------------------ Host OS double double double double add mul div bogo --------- ------------- ------ ------ ------ ------ sp8240 Linux 2.4.25 30.7 38.1 262.3 334.5 sp8240 Linux 2.4.25 30.7 38.1 262.3 334.5 sp8240 Linux 2.4.25 30.7 38.1 262.2 335.3 sp8240 Linux 2.6.11.7 30.9 38.4 264.7 339.0 sp8240 Linux 2.6.11.7 30.9 38.4 264.6 338.7 sp8240 Linux 2.6.11.7 30.9 38.4 264.5 339.2 tqm8xx Linux 2.4.25 6376.1 8492.6 33.5K 54.3K tqm8xx Linux 2.4.25 6323.9 8489.7 33.5K 54.3K tqm8xx Linux 2.4.25 6380.7 8491.2 33.5K 54.5K tqm8xx Linux 2.6.11.7 6677.0 8857.8 34.8K 57.6K tqm8xx Linux 2.6.11.7 6630.4 8782.8 34.8K 57.4K tqm8xx Linux 2.6.11.7 6666.3 8837.5 34.8K 57.4K 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 --------- ------------- ------ ------ ------ ------ ------ ------- ------- sp8240 Linux 2.4.25 200.4 69.0 217.1 78.1 219.9 78.5 sp8240 Linux 2.4.25 207.5 63.4 229.9 93.7 230.8 81.1 sp8240 Linux 2.4.25 207.4 72.4 230.6 89.5 233.9 86.3 sp8240 Linux 2.6.11.7 8.9400 254.1 143.0 261.3 161.3 259.4 160.6 sp8240 Linux 2.6.11.7 8.5100 234.4 127.4 256.4 161.4 251.3 149.0 sp8240 Linux 2.6.11.7 8.5400 211.8 128.0 240.2 157.7 243.7 153.9 tqm8xx Linux 2.4.25 29.4 64.7 78.4 81.6 tqm8xx Linux 2.4.25 32.9 56.5 75.8 80.0 tqm8xx Linux 2.4.25 29.9 66.7 76.6 80.8 tqm8xx Linux 2.6.11.7 44.7 90.3 132.1 131.3 tqm8xx Linux 2.6.11.7 48.8 117.1 132.7 136.6 tqm8xx Linux 2.6.11.7 47.6 90.7 126.7 133.1 *Local* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- sp8240 Linux 2.4.25 46.5 120. 522.5 1362. 842.1 1817. 2828 sp8240 Linux 2.4.25 47.1 135. 504.6 1330. 880.2 1838. 2774 sp8240 Linux 2.4.25 47.1 134. 535.2 1369. 855.4 1810. 2929 sp8240 Linux 2.6.11.7 8.940 89.4 251. 683.0 1506. 1020. 2021. 3507 sp8240 Linux 2.6.11.7 8.510 89.5 251. 701.7 1500. 1075. 2032. 3492 sp8240 Linux 2.6.11.7 8.540 88.2 263. 703.1 1550. 1110. 2076. 3588 tqm8xx Linux 2.4.25 29.4 145.3 309. 682.3 1427. 1000. 1896. 2992 tqm8xx Linux 2.4.25 32.9 144.3 338. 675.9 1434. 1002. 1933. 2990 tqm8xx Linux 2.4.25 29.9 150.5 352. 679.4 1429. 1006. 1931. 2983 tqm8xx Linux 2.6.11.7 44.7 238.8 522. 940.4 1629. 1265. 2125. 3792 tqm8xx Linux 2.6.11.7 48.8 255.2 531. 1255. 3750 tqm8xx Linux 2.6.11.7 47.6 258.6 550. 1252. 3783 File & VM system latencies in microseconds - smaller is better ------------------------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page 100fd Create Delete Create Delete Latency Fault Fault selct --------- ------------- ------ ------ ------ ------ ------- ----- ------- ----- sp8240 Linux 2.4.25 3389.8 3105.6 10.0K 3460.2 2701.0 2.740 13.2 121.5 sp8240 Linux 2.4.25 3378.4 3125.0 9345.8 3333.3 2804.0 2.584 13.3 121.6 sp8240 Linux 2.4.25 3344.5 3115.3 10.2K 3401.4 2744.0 2.898 13.4 121.5 sp8240 Linux 2.6.11.7 5882.4 3717.5 17.9K 3984.1 3198.0 14.8 123.2 sp8240 Linux 2.6.11.7 5681.8 3649.6 17.9K 3787.9 3274.0 14.7 123.3 sp8240 Linux 2.6.11.7 5882.4 3717.5 17.5K 4016.1 3284.0 15.3 123.2 tqm8xx Linux 2.4.25 4329.0 4065.0 24.4K 4016.1 1173.0 16.7 39.3 289.8 tqm8xx Linux 2.4.25 4329.0 4081.6 24.4K 4032.3 1139.0 15.5 38.5 289.8 tqm8xx Linux 2.4.25 4310.3 4048.6 17.9K 4081.6 1146.0 16.1 38.6 289.8 tqm8xx Linux 2.6.11.7 1682.0 38.9 298.8 tqm8xx Linux 2.6.11.7 1698.0 2.093 39.2 300.7 tqm8xx Linux 2.6.11.7 1692.0 2.596 38.3 298.6 *Local* Communication bandwidths in MB/s - bigger is better ----------------------------------------------------------------------------- Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- sp8240 Linux 2.4.25 17.4 10.0 7.66 17.7 62.4 14.9 14.8 62.8 21.5 sp8240 Linux 2.4.25 19.6 9.82 7.47 18.2 62.4 14.6 14.5 62.8 23.2 sp8240 Linux 2.4.25 19.2 9.76 7.38 18.1 62.4 14.7 14.7 62.8 23.2 sp8240 Linux 2.6.11.7 8.99 8.17 7.53 17.2 59.3 13.6 13.8 59.6 20.9 sp8240 Linux 2.6.11.7 9.03 8.72 7.76 17.1 59.3 14.1 14.1 59.7 22.0 sp8240 Linux 2.6.11.7 9.74 9.46 7.84 17.8 59.2 14.1 13.9 59.8 22.0 tqm8xx Linux 2.4.25 9.82 10.3 5.19 15.3 43.0 26.2 26.7 43.1 43.1 tqm8xx Linux 2.4.25 9.82 10.4 5.23 15.3 43.0 26.2 26.7 43.1 43.1 tqm8xx Linux 2.4.25 9.81 10.3 5.25 15.2 43.0 26.2 26.7 43.1 43.1 tqm8xx Linux 2.6.11.7 10.2 10.4 3.58 14.0 41.0 24.8 25.0 40.9 40.9 tqm8xx Linux 2.6.11.7 10.1 10.4 3.61 14.0 40.9 24.8 25.0 40.9 41.0 tqm8xx Linux 2.6.11.7 10.1 10.4 3.64 14.0 41.0 24.8 25.0 40.9 40.9 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) ------------------------------------------------------------------------------ Host OS Mhz L1 $ L2 $ Main mem Rand mem Guesses --------- ------------- --- ---- ---- -------- -------- ------- sp8240 Linux 2.4.25 132 15.8 428.0 448.4 2196.6 No L2 cache? sp8240 Linux 2.4.25 132 15.8 428.1 448.5 2210.8 No L2 cache? sp8240 Linux 2.4.25 132 15.8 415.5 448.7 2194.5 No L2 cache? sp8240 Linux 2.6.11.7 132 15.9 439.0 458.4 2295.5 No L2 cache? sp8240 Linux 2.6.11.7 132 15.9 426.2 457.6 2300.2 No L2 cache? sp8240 Linux 2.6.11.7 132 15.9 425.9 456.8 2286.2 No L2 cache? tqm8xx Linux 2.4.25 50 42.3 183.4 234.5 1302.9 tqm8xx Linux 2.4.25 50 42.4 183.4 234.5 1304.1 tqm8xx Linux 2.4.25 50 42.4 183.4 234.5 1303.2 tqm8xx Linux 2.6.11.7 50 43.6 203.0 250.3 1570.3 No L2 cache? tqm8xx Linux 2.6.11.7 50 43.6 203.3 250.6 1572.1 No L2 cache? tqm8xx Linux 2.6.11.7 50 43.6 203.3 250.5 1572.1 No L2 cache?