L M B E N C H 2 . 0 S U M M A R Y ------------------------------------ Basic system parameters ---------------------------------------------------- Host OS Description Mhz --------- ------------- ----------------------- ---- 29drm armv4tl-linux-gnu 390 29drm armv4tl-linux-gnu 390 defconfig armv4tl-linux-gnu 390 defconfig armv4tl-linux-gnu 390 defconfig armv4tl-linux-gnu 390 defconfig armv4tl-linux-gnu 390 dot32 armv4tl-linux-gnu 390 dot32 armv4tl-linux-gnu 390 nodebug armv4tl-linux-gnu 390 nodebug armv4tl-linux-gnu 390 nodebug armv4tl-linux-gnu 390 nopreempt armv4tl-linux-gnu 390 nopreempt armv4tl-linux-gnu 390 nopreempt armv4tl-linux-gnu 390 speed armv4tl-linux-gnu 390 speed 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 --------- ------------- ---- ---- ---- ---- ---- ----- ---- ---- ---- ---- ---- 29drm 390 3.02 5.37 66.8 151. 69.0 6.46 38.1 6456 19.K 47.K 29drm 390 3.01 5.34 66.7 147. 68.6 6.38 38.2 6471 19.K 47.K defconfig 390 3.40 5.73 71.4 192. 71.2 6.70 56.1 6970 20.K 50.K defconfig 390 3.41 5.74 72.1 189. 71.0 6.69 56.9 6860 20.K 50.K defconfig 390 3.41 5.76 71.8 189. 70.8 6.70 55.8 6864 20.K 50.K defconfig 390 3.41 5.75 71.8 189. 71.0 6.70 56.5 6873 20.K 51.K dot32 390 0.46 1.48 10.3 17.7 57.0 2.30 6.27 3222 9947 24.K dot32 390 0.46 1.48 10.3 17.7 56.9 2.29 6.27 3226 9986 24.K nodebug 390 0.52 1.47 9.60 16.8 60.9 2.35 6.56 3414 10.K 25.K nodebug 390 0.52 1.47 9.63 16.7 60.9 2.39 6.62 3408 10.K 25.K nodebug 390 0.53 1.47 9.66 16.5 60.9 2.39 6.57 3530 10.K 26.K nopreempt 390 2.88 4.86 58.4 117. 68.4 5.77 34.1 6225 18.K 45.K nopreempt 390 2.88 4.82 58.5 117. 68.7 5.67 34.5 6226 18.K 45.K nopreempt 390 2.88 4.83 58.4 118. 68.5 5.79 33.7 6223 18.K 45.K speed 390 3.40 5.71 71.6 166. 68.1 6.79 57.2 6839 20.K 50.K speed 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 --------- ------------- ----- ------ ------ ------ ------ ------- ------- 29drm 311.8 531.5 905.3 582.1 923.6 573.4 962.6 29drm 317.7 541.2 922.3 560.4 953.6 582.1 973.2 defconfig 312.5 527.5 928.1 585.1 964.9 611.5 974.9 defconfig 313.8 527.5 932.6 606.1 968.7 596.4 965.4 defconfig 314.7 525.5 929.8 606.3 929.4 578.3 985.2 defconfig 312.7 526.8 932.4 595.7 963.3 589.1 972.2 dot32 159.3 339.8 693.7 371.7 771.2 381.3 750.8 dot32 159.5 339.9 695.4 371.5 771.4 380.6 750.6 nodebug 191.5 354.8 720.6 392.9 740.6 404.0 737.1 nodebug 183.2 367.3 719.6 380.9 743.2 390.4 742.0 nodebug 183.5 367.2 721.6 384.1 740.8 399.4 744.7 nopreempt 281.7 527.2 890.6 543.1 926.5 565.0 952.8 nopreempt 280.8 520.1 890.9 544.0 930.1 567.4 1012.5 nopreempt 299.5 510.7 893.1 544.6 917.0 567.3 952.2 speed 305.1 527.6 911.8 551.9 947.8 623.7 943.5 speed 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 --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- 29drm 311.8 714.2 1136 1132. 1588. 4601 29drm 317.7 633.5 1399 1269. 1567. 4567 defconfig 312.5 751.9 1209 1477. 1920. 5823 defconfig 313.8 1069. 1414 1496. 1921. 5839 defconfig 314.7 736.3 1208 1298. 1914. 5800 defconfig 312.7 735.6 1210 1298. 2176. 5811 dot32 159.3 338.1 601. 713.0 801.5 2308 dot32 159.5 339.4 600. 712.6 911.3 2312 nodebug 191.5 378.2 626. 846.3 1126. 3222 nodebug 183.2 381.7 561. 842.6 1131. 3225 nodebug 183.5 383.0 642. 841.3 1148. 3237 nopreempt 281.7 676.1 1091 1374. 1864. 5167 nopreempt 280.8 676.3 1180 1396. 1878. 5269 nopreempt 299.5 669.2 1088 1232. 1863. 5288 speed 305.1 748.9 1211 1294. 1854. 5615 speed 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 --------- ------------- ------ ------ ------ ------ ------- ----- ----- 29drm 715.8 348.6 2832.9 4950.5 9932.0 5.139 138.0 29drm 720.5 344.9 2881.8 4149.4 9916.0 5.253 138.0 defconfig 755.9 357.8 2298.9 4115.2 10.4K 152.0 defconfig 751.3 357.8 5524.9 808.4 10.4K 169.0 defconfig 752.4 357.9 6024.1 1345.9 10.4K 145.0 defconfig 750.8 357.9 2865.3 5235.6 10.4K 145.0 dot32 356.9 91.0 951.5 275.9 2432.0 1.462 64.0 dot32 355.4 91.0 946.1 275.4 2426.0 1.430 63.0 nodebug 365.0 139.9 4237.3 1043.8 4813.0 1.636 70.0 nodebug 366.0 139.9 4830.9 1082.3 4802.0 1.620 68.0 nodebug 359.5 139.7 1239.2 5681.8 4801.0 1.657 68.0 nopreempt 697.4 328.9 5988.0 1002.0 5986.0 5.743 139.0 nopreempt 696.9 328.8 2538.1 4524.9 6016.0 5.172 131.0 nopreempt 697.4 329.2 5714.3 1526.7 5988.0 5.912 127.0 speed 734.8 349.2 2985.1 4807.7 10.4K 8.842 140.0 speed 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 --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- 29drm 20.8 19.7 18.0 33.9 109.2 59.6 59.6 109. 189.3 29drm 21.0 20.1 18.1 33.8 109.2 59.8 60.0 109. 190.1 defconfig 20.9 19.7 15.9 33.6 109.3 59.7 59.9 109. 189.9 defconfig 20.8 20.4 15.6 33.6 109.3 59.7 59.9 109. 189.9 defconfig 19.9 19.8 16.0 33.6 109.3 59.7 60.0 109. 189.9 defconfig 20.8 20.1 15.7 33.1 109.3 59.7 59.9 109. 189.9 dot32 24.0 20.7 19.3 37.6 110.4 60.3 60.5 110. 191.2 dot32 24.0 20.7 20.4 37.7 110.6 60.4 60.6 110. 191.2 nodebug 23.9 15.2 19.2 37.7 110.8 60.5 60.7 110. 191.4 nodebug 23.9 18.3 19.7 37.6 110.7 60.5 60.7 110. 191.4 nodebug 19.8 19.7 19.2 37.6 110.8 60.5 60.7 110. 191.4 nopreempt 21.4 19.8 16.2 34.1 109.6 59.8 60.1 109. 190.2 nopreempt 21.3 20.0 16.3 33.6 109.5 59.8 59.9 109. 190.3 nopreempt 21.1 19.9 16.2 34.1 109.3 59.8 60.0 109. 190.3 speed 20.7 15.2 16.1 33.5 109.3 59.7 59.9 109. 189.9 speed 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 --------- ------------- ---- ----- ------ -------- ------- 29drm 390 5.156 233.7 242.0 No L2 cache? 29drm 390 5.156 233.3 242.4 No L2 cache? defconfig 390 5.164 234.0 242.8 No L2 cache? defconfig 390 5.162 233.9 242.8 No L2 cache? defconfig 390 5.161 234.0 242.6 No L2 cache? defconfig 390 5.162 234.0 242.6 No L2 cache? dot32 390 5.100 230.5 238.9 No L2 cache? dot32 390 5.100 230.5 238.9 No L2 cache? nodebug 390 5.016 230.2 238.7 No L2 cache? nodebug 390 5.016 230.3 238.7 No L2 cache? nodebug 390 5.017 230.3 238.8 No L2 cache? nopreempt 390 5.151 233.1 241.7 No L2 cache? nopreempt 390 5.153 233.1 241.8 No L2 cache? nopreempt 390 5.151 233.0 243.0 No L2 cache? speed 390 5.149 236.0 243.9 No L2 cache? speed 390 5.154 235.6 244.5 No L2 cache?