L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- defconfig Linux 2.6.29w armv4tl-linux-gnu 390 defconfig Linux 2.6.29w armv4tl-linux-gnu 390 defconfig Linux 2.6.29w armv4tl-linux-gnu 390 defconfig Linux 2.6.29w armv4tl-linux-gnu 390 nodebug Linux 2.6.29d armv4tl-linux-gnu 390 nodebug Linux 2.6.29d armv4tl-linux-gnu 390 nodebug Linux 2.6.29d armv4tl-linux-gnu 390 nopreempt Linux 2.6.29p armv4tl-linux-gnu 390 nopreempt Linux 2.6.29p armv4tl-linux-gnu 390 nopreempt Linux 2.6.29p armv4tl-linux-gnu 390 speed Linux 2.6.29s armv4tl-linux-gnu 390 speed Linux 2.6.29s armv4tl-linux-gnu 390 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- defconfig Linux 2.6.29w 390 3.40 5.73 71.4 192. 71.2 6.70 56.1 6970 20.K 50.K defconfig Linux 2.6.29w 390 3.41 5.74 72.1 189. 71.0 6.69 56.9 6860 20.K 50.K defconfig Linux 2.6.29w 390 3.41 5.76 71.8 189. 70.8 6.70 55.8 6864 20.K 50.K defconfig Linux 2.6.29w 390 3.41 5.75 71.8 189. 71.0 6.70 56.5 6873 20.K 51.K nodebug Linux 2.6.29d 390 0.52 1.47 9.60 16.8 60.9 2.35 6.56 3414 10.K 25.K nodebug Linux 2.6.29d 390 0.52 1.47 9.63 16.7 60.9 2.39 6.62 3408 10.K 25.K nodebug Linux 2.6.29d 390 0.53 1.47 9.66 16.5 60.9 2.39 6.57 3530 10.K 26.K nopreempt Linux 2.6.29p 390 2.88 4.86 58.4 117. 68.4 5.77 34.1 6225 18.K 45.K nopreempt Linux 2.6.29p 390 2.88 4.82 58.5 117. 68.7 5.67 34.5 6226 18.K 45.K nopreempt Linux 2.6.29p 390 2.88 4.83 58.4 118. 68.5 5.79 33.7 6223 18.K 45.K speed Linux 2.6.29s 390 3.40 5.71 71.6 166. 68.1 6.79 57.2 6839 20.K 50.K speed Linux 2.6.29s 390 3.40 5.71 71.6 164. 67.9 6.79 52.2 6851 20.K 50.K 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- defconfig Linux 2.6.29w 312.5 527.5 928.1 585.1 964.9 611.5 974.9 defconfig Linux 2.6.29w 313.8 527.5 932.6 606.1 968.7 596.4 965.4 defconfig Linux 2.6.29w 314.7 525.5 929.8 606.3 929.4 578.3 985.2 defconfig Linux 2.6.29w 312.7 526.8 932.4 595.7 963.3 589.1 972.2 nodebug Linux 2.6.29d 191.5 354.8 720.6 392.9 740.6 404.0 737.1 nodebug Linux 2.6.29d 183.2 367.3 719.6 380.9 743.2 390.4 742.0 nodebug Linux 2.6.29d 183.5 367.2 721.6 384.1 740.8 399.4 744.7 nopreempt Linux 2.6.29p 281.7 527.2 890.6 543.1 926.5 565.0 952.8 nopreempt Linux 2.6.29p 280.8 520.1 890.9 544.0 930.1 567.4 1012.5 nopreempt Linux 2.6.29p 299.5 510.7 893.1 544.6 917.0 567.3 952.2 speed Linux 2.6.29s 305.1 527.6 911.8 551.9 947.8 623.7 943.5 speed Linux 2.6.29s 293.2 528.2 905.3 554.2 992.4 569.7 947.0 *Local* Communication latencies in microseconds - smaller is better ------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- defconfig Linux 2.6.29w 312.5 751.9 1209 1477. 1920. 5823 defconfig Linux 2.6.29w 313.8 1069. 1414 1496. 1921. 5839 defconfig Linux 2.6.29w 314.7 736.3 1208 1298. 1914. 5800 defconfig Linux 2.6.29w 312.7 735.6 1210 1298. 2176. 5811 nodebug Linux 2.6.29d 191.5 378.2 626. 846.3 1126. 3222 nodebug Linux 2.6.29d 183.2 381.7 561. 842.6 1131. 3225 nodebug Linux 2.6.29d 183.5 383.0 642. 841.3 1148. 3237 nopreempt Linux 2.6.29p 281.7 676.1 1091 1374. 1864. 5167 nopreempt Linux 2.6.29p 280.8 676.3 1180 1396. 1878. 5269 nopreempt Linux 2.6.29p 299.5 669.2 1088 1232. 1863. 5288 speed Linux 2.6.29s 305.1 748.9 1211 1294. 1854. 5615 speed Linux 2.6.29s 293.2 640.0 1589 1433. 1868. 5647 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- defconfig Linux 2.6.29w 755.9 357.8 2298.9 4115.2 10.4K 152.0 defconfig Linux 2.6.29w 751.3 357.8 5524.9 808.4 10.4K 169.0 defconfig Linux 2.6.29w 752.4 357.9 6024.1 1345.9 10.4K 145.0 defconfig Linux 2.6.29w 750.8 357.9 2865.3 5235.6 10.4K 145.0 nodebug Linux 2.6.29d 365.0 139.9 4237.3 1043.8 4813.0 1.636 70.0 nodebug Linux 2.6.29d 366.0 139.9 4830.9 1082.3 4802.0 1.620 68.0 nodebug Linux 2.6.29d 359.5 139.7 1239.2 5681.8 4801.0 1.657 68.0 nopreempt Linux 2.6.29p 697.4 328.9 5988.0 1002.0 5986.0 5.743 139.0 nopreempt Linux 2.6.29p 696.9 328.8 2538.1 4524.9 6016.0 5.172 131.0 nopreempt Linux 2.6.29p 697.4 329.2 5714.3 1526.7 5988.0 5.912 127.0 speed Linux 2.6.29s 734.8 349.2 2985.1 4807.7 10.4K 8.842 140.0 speed Linux 2.6.29s 735.3 349.3 2227.2 4386.0 10.4K 10.6 141.0 *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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- defconfig Linux 2.6.29w 20.9 19.7 15.9 33.6 109.3 59.7 59.9 109. 189.9 defconfig Linux 2.6.29w 20.8 20.4 15.6 33.6 109.3 59.7 59.9 109. 189.9 defconfig Linux 2.6.29w 19.9 19.8 16.0 33.6 109.3 59.7 60.0 109. 189.9 defconfig Linux 2.6.29w 20.8 20.1 15.7 33.1 109.3 59.7 59.9 109. 189.9 nodebug Linux 2.6.29d 23.9 15.2 19.2 37.7 110.8 60.5 60.7 110. 191.4 nodebug Linux 2.6.29d 23.9 18.3 19.7 37.6 110.7 60.5 60.7 110. 191.4 nodebug Linux 2.6.29d 19.8 19.7 19.2 37.6 110.8 60.5 60.7 110. 191.4 nopreempt Linux 2.6.29p 21.4 19.8 16.2 34.1 109.6 59.8 60.1 109. 190.2 nopreempt Linux 2.6.29p 21.3 20.0 16.3 33.6 109.5 59.8 59.9 109. 190.3 nopreempt Linux 2.6.29p 21.1 19.9 16.2 34.1 109.3 59.8 60.0 109. 190.3 speed Linux 2.6.29s 20.7 15.2 16.1 33.5 109.3 59.7 59.9 109. 189.9 speed Linux 2.6.29s 20.9 15.2 16.1 33.7 109.3 59.7 60.0 109. 190.0 Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) --------------------------------------------------- Host OS Mhz L1 $ L2 $ Main mem Guesses --------- ------------- ---- ----- ------ -------- ------- defconfig Linux 2.6.29w 390 5.164 234.0 242.8 No L2 cache? defconfig Linux 2.6.29w 390 5.162 233.9 242.8 No L2 cache? defconfig Linux 2.6.29w 390 5.161 234.0 242.6 No L2 cache? defconfig Linux 2.6.29w 390 5.162 234.0 242.6 No L2 cache? nodebug Linux 2.6.29d 390 5.016 230.2 238.7 No L2 cache? nodebug Linux 2.6.29d 390 5.016 230.3 238.7 No L2 cache? nodebug Linux 2.6.29d 390 5.017 230.3 238.8 No L2 cache? nopreempt Linux 2.6.29p 390 5.151 233.1 241.7 No L2 cache? nopreempt Linux 2.6.29p 390 5.153 233.1 241.8 No L2 cache? nopreempt Linux 2.6.29p 390 5.151 233.0 243.0 No L2 cache? speed Linux 2.6.29s 390 5.149 236.0 243.9 No L2 cache? speed Linux 2.6.29s 390 5.154 235.6 244.5 No L2 cache?