Hi, Here I am putting the performance results of "HBench-OS 1.0" for Linux Kernel 2.4.20-pre11. HW Details: 868Mhz P3 with 128Mb RAM with ext3 file system. Thanks, pavan. =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= HBench-OS 1.0 Summary Output for Linux kernel ver 2.4.20-pre11 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= System name: access1 System type: i686-pc-linux Architecture: i686 OS type: linux-2.4.20-pre11 Testset: full.test Runs: 10 Counter mode: none lat_syscall: getpid: 0.360883 (std. 0.007048, 1.95%) [median 0.362100] getrusage: 0.561700 (std. 0.007230, 1.29%) [median 0.562450] gettimeofday: 0.552867 (std. 0.005697, 1.03%) [median 0.551650] sbrk: 0.035750 (std. 0.000055, 0.15%) [median 0.035750] sigaction: 0.717183 (std. 0.002885, 0.40%) [median 0.715900] write: 0.634250 (std. 0.007440, 1.17%) [median 0.635850] lat_fslayer: : 0.617817 (std. 0.001617, 0.26%) [median 0.617700] lat_sig: handle: 1.725383 (std. 0.000232, 0.01%) [median 1.725300] install: 0.797917 (std. 0.002198, 0.28%) [median 0.797600] lat_pipe: : 6.151867 (std. 0.012764, 0.21%) [median 6.151550] lat_proc: null dummy: 132.203667 (std. 0.561716, 0.42%) [median 132.344700] sh dynamic: 5066.602867 (std. 9.277116, 0.18%) [median 5063.248050] sh static: 4474.042333 (std. 18.464647, 0.41%) [median 4481.636700] simple dynamic: 797.993483 (std. 7.097108, 0.89%) [median 798.366700] simple static: 195.967950 (std. 4.369844, 2.23%) [median 195.314050] lat_mmap: 4k: 2.907650 (std. 0.013970, 0.48%) [median 2.908150] 8k: 2.956300 (std. 0.043954, 1.49%) [median 2.961100] 32k: 2.975283 (std. 0.021780, 0.73%) [median 2.967850] 64k: 3.040767 (std. 0.038613, 1.27%) [median 3.051350] 256k: 3.434100 (std. 0.066474, 1.94%) [median 3.442150] 512k: 3.792567 (std. 0.020403, 0.54%) [median 3.788250] 1m: 4.605567 (std. 0.056870, 1.23%) [median 4.588750] 2m: 6.671467 (std. 0.186704, 2.80%) [median 6.723900] 3m: 8.239967 (std. 0.264563, 3.21%) [median 8.242150] 4m: 10.639833 (std. 0.350798, 3.30%) [median 10.803100] 8m: 10.445400 (std. 0.510413, 4.89%) [median 10.379500] bw_mem_rd: 2k: 1162.258667 (std. 0.069116, 0.01%) [median 1162.274500] 4k: 3251.036183 (std. 0.646657, 0.02%) [median 3251.155000] 8k: 3248.862067 (std. 0.472468, 0.01%) [median 3248.849700] 16k: 3260.904167 (std. 0.465637, 0.01%) [median 3261.012200] 32k: 2032.606617 (std. 0.338053, 0.02%) [median 2032.634450] 64k: 2033.852000 (std. 0.170787, 0.01%) [median 2033.808400] 128k: 1626.409567 (std. 629.424097, 38.70%) [median 2031.790650] 256k: 684.896167 (std. 62.961178, 9.19%) [median 711.158900] 512k: 339.719167 (std. 0.124329, 0.04%) [median 339.703000] 1m: 339.734767 (std. 0.203334, 0.06%) [median 339.812300] 2m: 339.688450 (std. 0.149552, 0.04%) [median 339.663100] 4m: 339.953817 (std. 0.059363, 0.02%) [median 339.952700] 8m: 339.938567 (std. 0.065171, 0.02%) [median 339.942550] bw_mem_wr: 2k: 2828.221067 (std. 0.642235, 0.02%) [median 2828.248100] 4k: 2842.262650 (std. 0.403076, 0.01%) [median 2842.311050] 8k: 2832.687050 (std. 0.336504, 0.01%) [median 2832.623500] 16k: 2841.563000 (std. 0.282273, 0.01%) [median 2841.578100] 32k: 2033.436317 (std. 0.101083, 0.00%) [median 2033.437850] 64k: 2034.393817 (std. 0.083433, 0.00%) [median 2034.410150] 128k: 2192.512850 (std. 0.169106, 0.01%) [median 2192.568300] 256k: 727.696967 (std. 74.082064, 10.18%) [median 736.119450] 512k: 165.939683 (std. 0.227314, 0.14%) [median 165.999250] 1m: 138.261467 (std. 0.042207, 0.03%) [median 138.258900] 2m: 136.634167 (std. 0.023253, 0.02%) [median 136.641650] 4m: 136.578483 (std. 0.011478, 0.01%) [median 136.579400] 8m: 136.593317 (std. 0.014256, 0.01%) [median 136.597450] bw_bzero: 256k: 657.365483 (std. 76.956034, 11.71%) [median 611.967650] 512k: 181.655133 (std. 0.800824, 0.44%) [median 181.695000] 1m: 149.510467 (std. 0.056490, 0.04%) [median 149.493000] 2m: 146.806567 (std. 0.044944, 0.03%) [median 146.819850] 4m: 146.470833 (std. 0.029431, 0.02%) [median 146.466700] 8m: 146.313167 (std. 0.030129, 0.02%) [median 146.301000] bw_mem_cp: 2k unrolled aligned: 2003.777033 (std. 0.387197, 0.02%) [median 2003.678650] 2k unrolled unaligned: 2004.013933 (std. 0.243499, 0.01%) [median 2004.130600] 4k unrolled aligned: 2029.055100 (std. 0.428695, 0.02%) [median 2029.098950] 4k unrolled unaligned: 2028.867800 (std. 0.308778, 0.02%) [median 2028.839600] 8k unrolled aligned: 2061.227233 (std. 1.833876, 0.09%) [median 2061.154750] 8k unrolled unaligned: 2081.600200 (std. 0.381515, 0.02%) [median 2081.575800] 16k libc aligned: 1766.036817 (std. 3.568149, 0.20%) [median 1765.760250] 16k libc unaligned: 1713.683500 (std. 0.132105, 0.01%) [median 1713.715750] 16k unrolled aligned: 1320.947600 (std. 0.670614, 0.05%) [median 1321.059500] 16k unrolled unaligned: 1247.558050 (std. 0.110709, 0.01%) [median 1247.526150] 32k libc aligned: 1784.691950 (std. 0.294684, 0.02%) [median 1784.699700] 32k libc unaligned: 1730.538267 (std. 0.207393, 0.01%) [median 1730.573800] 32k unrolled aligned: 1317.411883 (std. 0.456752, 0.03%) [median 1317.584100] 32k unrolled unaligned: 1240.152000 (std. 1.983750, 0.16%) [median 1240.341500] 64k libc aligned: 1790.770317 (std. 1.412004, 0.08%) [median 1790.802300] 64k libc unaligned: 1738.495033 (std. 0.571892, 0.03%) [median 1738.551700] 64k unrolled aligned: 881.562550 (std. 461.170018, 52.31%) [median 878.091450] 64k unrolled unaligned: 1236.735050 (std. 13.127684, 1.06%) [median 1240.888850] 128k libc aligned: 361.226700 (std. 29.673799, 8.21%) [median 363.674350] 128k libc unaligned: 365.374183 (std. 44.099273, 12.07%) [median 352.263350] 128k unrolled aligned: 276.988050 (std. 22.085449, 7.97%) [median 273.218250] 128k unrolled unaligned: 254.948717 (std. 19.547776, 7.67%) [median 259.194700] 256k libc aligned: 135.401433 (std. 0.545379, 0.40%) [median 135.359150] 256k libc unaligned: 139.199083 (std. 1.946632, 1.40%) [median 139.455200] 256k unrolled aligned: 112.278983 (std. 0.395518, 0.35%) [median 112.310700] 256k unrolled unaligned: 113.759783 (std. 1.136641, 1.00%) [median 113.578350] 512k libc aligned: 104.152733 (std. 0.281752, 0.27%) [median 104.063750] 512k libc unaligned: 104.732517 (std. 0.328718, 0.31%) [median 104.668200] 512k unrolled aligned: 91.614767 (std. 0.134768, 0.15%) [median 91.597300] 512k unrolled unaligned: 90.065633 (std. 0.192628, 0.21%) [median 90.013500] 1m libc aligned: 93.733867 (std. 0.087517, 0.09%) [median 93.758900] 1m libc unaligned: 93.619150 (std. 0.088917, 0.09%) [median 93.594450] 1m unrolled aligned: 83.650200 (std. 0.094925, 0.11%) [median 83.680600] 1m unrolled unaligned: 84.144700 (std. 0.103111, 0.12%) [median 84.171450] 2m libc aligned: 91.885283 (std. 0.029880, 0.03%) [median 91.877100] 2m libc unaligned: 91.487650 (std. 0.043813, 0.05%) [median 91.474900] 2m unrolled aligned: 81.393733 (std. 0.122945, 0.15%) [median 81.385300] 2m unrolled unaligned: 81.217350 (std. 0.451688, 0.56%) [median 81.437000] 4m libc aligned: 91.429517 (std. 0.221652, 0.24%) [median 91.377600] 4m libc unaligned: 90.977250 (std. 0.155717, 0.17%) [median 90.893050] 4m unrolled aligned: 81.376850 (std. 0.079809, 0.10%) [median 81.362050] 4m unrolled unaligned: 80.861417 (std. 0.057268, 0.07%) [median 80.844050] 8m libc aligned: 91.130350 (std. 0.047233, 0.05%) [median 91.137100] 8m libc unaligned: 90.684650 (std. 0.023272, 0.03%) [median 90.693850] 8m unrolled aligned: 80.746233 (std. 0.024686, 0.03%) [median 80.735050] 8m unrolled unaligned: 80.674033 (std. 0.018905, 0.02%) [median 80.681750] bw_file_rd: 32k 32k: 826.072767 (std. 9.073808, 1.10%) [median 822.368400] 64k 32k: 767.430967 (std. 22.543263, 2.94%) [median 776.427450] 64k 64k: 731.350400 (std. 17.629067, 2.41%) [median 735.294100] 128k 32k: 480.913133 (std. 25.014528, 5.20%) [median 472.632000] 128k 64k: 491.857483 (std. 24.048835, 4.89%) [median 497.067000] 256k 32k: 323.952283 (std. 4.346769, 1.34%) [median 321.957600] 256k 64k: 313.527383 (std. 12.971524, 4.14%) [median 310.945750] 512k 4k: 300.605683 (std. 1.270300, 0.42%) [median 300.390550] 512k 8k: 300.363967 (std. 8.309363, 2.77%) [median 297.798950] 512k 16k: 306.161633 (std. 11.888961, 3.88%) [median 304.140300] 512k 32k: 321.905700 (std. 15.998500, 4.97%) [median 326.181350] 512k 64k: 300.425217 (std. 1.286514, 0.43%) [median 300.843350] 512k 128k: 102.681383 (std. 2.955658, 2.88%) [median 103.477600] 512k 256k: 72.314217 (std. 1.477244, 2.04%) [median 72.160650] 512k 512k: 61.718667 (std. 1.063436, 1.72%) [median 62.119600] 1m 4k: 304.061900 (std. 5.980925, 1.97%) [median 301.932400] 1m 8k: 299.586333 (std. 2.745796, 0.92%) [median 298.596650] 1m 16k: 299.020600 (std. 3.683822, 1.23%) [median 297.752000] 1m 32k: 301.918633 (std. 2.458127, 0.81%) [median 301.387750] 1m 64k: 301.817683 (std. 1.570564, 0.52%) [median 301.934100] 1m 128k: 106.983667 (std. 4.143842, 3.87%) [median 106.310850] 1m 256k: 73.020683 (std. 0.342106, 0.47%) [median 73.038100] 1m 512k: 64.887417 (std. 0.248712, 0.38%) [median 64.823750] 1m 1m: 63.776933 (std. 0.064983, 0.10%) [median 63.775550] 2m 4k: 309.027750 (std. 4.711835, 1.52%) [median 309.335750] 2m 8k: 304.649400 (std. 3.930153, 1.29%) [median 304.956700] 2m 16k: 302.256133 (std. 5.678357, 1.88%) [median 299.670400] 2m 32k: 308.319717 (std. 4.639017, 1.50%) [median 309.119600] 2m 64k: 305.465650 (std. 5.812509, 1.90%) [median 302.732550] 2m 128k: 108.242000 (std. 4.412035, 4.08%) [median 108.958250] 2m 256k: 73.907867 (std. 0.167689, 0.23%) [median 73.934450] 2m 512k: 66.845000 (std. 0.067865, 0.10%) [median 66.850550] 2m 1m: 65.522933 (std. 0.033289, 0.05%) [median 65.529700] 2m 2m: 66.253017 (std. 0.064953, 0.10%) [median 66.246050] 3m 1m: 66.217900 (std. 0.053448, 0.08%) [median 66.198150] 4m 32k: 305.104317 (std. 1.398202, 0.46%) [median 305.822100] 4m 64k: 304.262467 (std. 1.565454, 0.51%) [median 304.114400] 4m 1m: 66.879450 (std. 0.078770, 0.12%) [median 66.866700] 5m 1m: 66.740417 (std. 0.049455, 0.07%) [median 66.725850] 6m 1m: 67.146667 (std. 0.056512, 0.08%) [median 67.124600] 7m 1m: 67.256867 (std. 0.042379, 0.06%) [median 67.253050] 8m 32k: 304.761350 (std. 0.712932, 0.23%) [median 304.838000] 8m 64k: 305.035217 (std. 1.485759, 0.49%) [median 305.228500] 8m 1m: 67.337633 (std. 0.037266, 0.06%) [median 67.326200] bw_mmap_rd: 4k: 1218.583883 (std. 129.778661, 10.65%) [median 1271.565800] 8k: 1398.722350 (std. 139.293022, 9.96%) [median 1398.722350] 16k: 1290.831933 (std. 47.192196, 3.66%) [median 1271.565800] 32k: 1254.611567 (std. 26.265385, 2.09%) [median 1271.565800] 64k: 1269.943833 (std. 13.568197, 1.07%) [median 1261.185600] 128k: 1243.632750 (std. 7.866206, 0.63%) [median 1243.591300] 256k: 399.581333 (std. 9.751065, 2.44%) [median 400.243750] 512k: 296.957867 (std. 1.053892, 0.35%) [median 297.102300] 1m: 294.170600 (std. 8.275980, 2.81%) [median 290.962450] 2m: 295.990100 (std. 5.768783, 1.95%) [median 297.407250] 4m: 294.122750 (std. 0.377324, 0.13%) [median 294.133450] 8m: 293.271683 (std. 0.248571, 0.08%) [median 293.293100] bw_pipe: 4k: 578.346683 (std. 3.870504, 0.67%) [median 578.721000] 8k: 608.017033 (std. 3.648525, 0.60%) [median 608.903550] 16k: 646.910933 (std. 4.115511, 0.64%) [median 647.435150] 32k: 672.526350 (std. 4.913303, 0.73%) [median 669.812150] 64k: 640.070983 (std. 32.465053, 5.07%) [median 656.127500] 128k: 325.197067 (std. 7.963851, 2.45%) [median 326.575250] 256k: 225.953933 (std. 5.467923, 2.42%) [median 225.228650] 512k: 130.989550 (std. 0.400363, 0.31%) [median 131.112650] 1m: 117.641500 (std. 0.186113, 0.16%) [median 117.718000] 2m: 116.272483 (std. 0.151331, 0.13%) [median 116.329850] 4m: 116.183633 (std. 0.090428, 0.08%) [median 116.176150] bw_tcp: 4k localhost: 182.479150 (std. 8.080340, 4.43%) [median 182.607500] 8k localhost: 183.500150 (std. 11.904018, 6.49%) [median 185.972250] 32k localhost: 197.045817 (std. 13.027870, 6.61%) [median 200.517000] 64k localhost: 170.671217 (std. 17.970031, 10.53%) [median 164.683700] 128k localhost: 134.142800 (std. 7.024478, 5.24%) [median 133.772400] 512k localhost: 150.224233 (std. 8.241012, 5.49%) [median 151.932000] 1m localhost: 138.914917 (std. 11.061916, 7.96%) [median 138.225950] lat_connect: localhost: 59.166667 (std. 7.808115, 13.20%) [median 56.000000] lat_tcp: localhost: 25.344150 (std. 0.074866, 0.30%) [median 25.360350] lat_udp: localhost: 17.839750 (std. 0.145052, 0.81%) [median 17.807250] lat_rpc: tcp localhost: 54.144133 (std. 0.097093, 0.18%) [median 54.173900] udp localhost: 38.389050 (std. 0.161139, 0.42%) [median 38.381350] lat_fs: create 0: 349.124550 (std. 3.980803, 1.14%) [median 347.501450] delforw 0: 46.802733 (std. 16.296922, 34.82%) [median 46.450750] delrand 0: 448.240383 (std. 1.607562, 0.36%) [median 447.693900] delrev 0: 62.646967 (std. 1.308764, 2.09%) [median 62.220600] create 1024: 763.824200 (std. 3.690666, 0.48%) [median 763.124200] delforw 1024: 40.626617 (std. 0.658922, 1.62%) [median 40.560850] delrand 1024: 681.848433 (std. 268.485972, 39.38%) [median 609.828500] delrev 1024: 75.742650 (std. 1.124159, 1.48%) [median 75.729750] create 4096: 762.551450 (std. 3.062033, 0.40%) [median 763.013050] delforw 4096: 78.907867 (std. 2.229868, 2.83%) [median 78.649750] delrand 4096: 697.512967 (std. 112.102264, 16.07%) [median 734.636800] delrev 4096: 74.929817 (std. 1.093751, 1.46%) [median 74.534250] create 10240: 541.478100 (std. 5.516014, 1.02%) [median 539.486450] delforw 10240: 87.877183 (std. 4.962076, 5.65%) [median 87.444200] delrand 10240: 1118.024283 (std. 59.730340, 5.34%) [median 1131.545150] delrev 10240: 113.890300 (std. 2.060308, 1.81%) [median 113.798950] lat_ctx: 0k 2: 1.195917 (std. 0.011137, 0.93%) [median 1.195050] 0k 4: 1.490933 (std. 0.024272, 1.63%) [median 1.494750] 0k 8: 1.700417 (std. 0.020565, 1.21%) [median 1.699500] 0k 16: 3.147867 (std. 0.042196, 1.34%) [median 3.142650] 0k 20: 3.384950 (std. 0.037129, 1.10%) [median 3.384750] 2k 2: 1.304733 (std. 0.033154, 2.54%) [median 1.311450] 2k 4: 1.585650 (std. 0.021643, 1.36%) [median 1.580100] 2k 8: 1.689133 (std. 0.020355, 1.21%) [median 1.691400] 2k 16: 3.569967 (std. 0.038520, 1.08%) [median 3.568650] 2k 20: 3.699050 (std. 0.053098, 1.44%) [median 3.708600] 4k 2: 1.977700 (std. 0.022971, 1.16%) [median 1.984300] 4k 4: 2.517433 (std. 0.028386, 1.13%) [median 2.516300] 4k 8: 1.844617 (std. 0.105440, 5.72%) [median 1.788750] 4k 16: 4.127633 (std. 0.126788, 3.07%) [median 4.165250] 4k 20: 4.832400 (std. 0.237634, 4.92%) [median 4.732950] 8k 2: 1.584917 (std. 0.035036, 2.21%) [median 1.592000] 8k 4: 2.393950 (std. 0.028369, 1.19%) [median 2.403200] 8k 8: 2.772217 (std. 0.083099, 3.00%) [median 2.735550] 8k 16: 6.307883 (std. 0.322091, 5.11%) [median 6.381500] 8k 20: 9.445600 (std. 0.435189, 4.61%) [median 9.492600] 16k 2: 2.308150 (std. 0.031114, 1.35%) [median 2.317650] 16k 4: 2.553833 (std. 0.058790, 2.30%) [median 2.533250] 16k 8: 5.599583 (std. 0.272039, 4.86%) [median 5.571100] 16k 16: 13.721850 (std. 0.383264, 2.79%) [median 13.651950] 16k 20: 12.733717 (std. 0.537721, 4.22%) [median 12.679250] 32k 2: 2.059500 (std. 0.002781, 0.14%) [median 2.059150] 32k 4: 3.250683 (std. 1.026621, 31.58%) [median 2.943650] 32k 8: 11.523267 (std. 0.657627, 5.71%) [median 11.528900] 32k 16: 12.268300 (std. 0.046976, 0.38%) [median 12.256250] 32k 20: 12.332750 (std. 0.129224, 1.05%) [median 12.357100] 64k 2: 3.823600 (std. 1.724258, 45.10%) [median 3.121350] 64k 4: 12.702633 (std. 1.419911, 11.18%) [median 12.866700] 64k 8: 12.145183 (std. 0.144269, 1.19%) [median 12.116450] 64k 16: 12.699500 (std. 0.133462, 1.05%) [median 12.651150] 64k 20: 12.480550 (std. 0.327731, 2.63%) [median 12.500250] lat_ctx2: 0k 2: 1.240850 (std. 0.033177, 2.67%) [median 1.243900] 0k 4: 1.518717 (std. 0.011792, 0.78%) [median 1.521350] 0k 8: 1.708033 (std. 0.016093, 0.94%) [median 1.711300] 0k 16: 3.113050 (std. 0.057279, 1.84%) [median 3.119200] 0k 20: 3.703100 (std. 0.026577, 0.72%) [median 3.703150] 2k 2: 1.194000 (std. 0.009707, 0.81%) [median 1.193900] 2k 4: 1.480617 (std. 0.023441, 1.58%) [median 1.480550] 2k 8: 1.689833 (std. 0.045043, 2.67%) [median 1.681850] 2k 16: 3.539483 (std. 0.072770, 2.06%) [median 3.547600] 2k 20: 3.697317 (std. 0.051067, 1.38%) [median 3.686000] 4k 2: 1.900117 (std. 0.014706, 0.77%) [median 1.896200] 4k 4: 2.353767 (std. 0.030226, 1.28%) [median 2.356700] 4k 8: 2.820750 (std. 0.050061, 1.77%) [median 2.830400] 4k 16: 5.311283 (std. 0.101904, 1.92%) [median 5.306550] 4k 20: 4.889300 (std. 0.161299, 3.30%) [median 4.901700] 8k 2: 2.454500 (std. 0.018302, 0.75%) [median 2.451200] 8k 4: 3.448900 (std. 0.007246, 0.21%) [median 3.448850] 8k 8: 4.070750 (std. 0.173761, 4.27%) [median 4.153450] 8k 16: 7.350117 (std. 0.316585, 4.31%) [median 7.394050] 8k 20: 11.275333 (std. 0.441855, 3.92%) [median 11.245650] 16k 2: 4.245850 (std. 0.018008, 0.42%) [median 4.249650] 16k 4: 4.527433 (std. 0.045730, 1.01%) [median 4.521800] 16k 8: 7.962950 (std. 0.824659, 10.36%) [median 7.745450] 16k 16: 30.375067 (std. 1.093422, 3.60%) [median 30.189600] 16k 20: 40.656800 (std. 0.616058, 1.52%) [median 40.734000] 32k 2: 2.004083 (std. 0.014151, 0.71%) [median 2.007950] 32k 4: 4.085950 (std. 0.956484, 23.41%) [median 4.184200] 32k 8: 53.824300 (std. 1.975330, 3.67%) [median 53.829350] 32k 16: 86.079833 (std. 0.616777, 0.72%) [median 86.107800] 32k 20: 86.951983 (std. 0.112925, 0.13%) [median 86.962550] 64k 2: 2.337050 (std. 0.026589, 1.14%) [median 2.337650] 64k 4: 79.716567 (std. 7.405708, 9.29%) [median 81.861750] 64k 8: 164.044750 (std. 0.213092, 0.13%) [median 164.060550] 64k 16: 164.663817 (std. 0.399808, 0.24%) [median 164.827350] 64k 20: 164.031900 (std. 0.365309, 0.22%) [median 163.992450] ============================================ PAVAN KUMAR REDDY N.S. Sr.Software Engineer Wipro Technologies 53/1, Hosur road, Madivala Bangalore - 68. Phone Off: +91-80-5502001-8 extn: 6087. Res: +91-80-6685179 http://www.wipro.com/linux/ ============================================