linux-4x700 = Quad 700 mhz P3 Xeon 1 M cache, 4 GB ram running 2.4.19-rc1.
480r-2x900 = Sun V480 with 2GB ram, 2 900 mhz Ultrasparc III 8 Mb cache running Solaris 8
880r-8x750 = Sun V880 with 16 GB ram, 8 750 mhz Ultrasparc III 8 Mb cache running Solaris 8
e10k-12x333 = Sun E10000 with 12 GB ram and 12 333 mhz Ultrasparc II 4 Mb cache running Solaris 7 11/99.
s390-linux = Mainframe with 1 GB ram, 2 436 mhz CPUs running 2.4.9-37 (I think that's the right revision).
L M B E N C H 2 . 0 S U M M A R Y
------------------------------------
Processor, Processes - times in microseconds - smaller is better
----------------------------------------------------------------
null null open signal signal fork exec /bin/sh
kernel call I/O stat fstat close install handle process process process
------------ ------- ------- ------- ------- ------- ------- ------- ------- ------- -------
linux-4x700 0.499 0.88351 3.672 1.073 5.241 1.261 3.777 335.7 1030.8 4246.1
480r-2x900 0.805 3.36067 6.482 2.255 8.267 1.499 17.167 1368.9 4001.8 8203.9
880r-8x750 0.960 4.04983 10.374 2.892 14.304 1.795 20.654 1809.9 5425.9 10778.8
e10k-12x333 2.471 8.18372 34.726 7.412 52.539 4.340 53.203 4811.0 13563.5 30694.7
s390-linux 2.873 2.81517 61.169 3.981 69.761 6.146 20.782 1221.3 5510.5 21925.8
File select - times in microseconds - smaller is better
-------------------------------------------------------
select select select select select select select select
kernel 10 fd 100 fd 250 fd 500 fd 10 tcp 100 tcp 250 tcp 500 tcp
------------ ------- ------- ------- ------- ------- ------- ------- -------
linux-4x700 4.591 30.482 74.020 142.894 5.617 40.672 97.180 195.23
480r-2x900 8.584 65.730 161.389 338.983 12.371 100.656 249.271 519.16
880r-8x750 10.459 78.409 193.460 423.433 14.904 121.374 302.301 638.721
e10k-12x333 22.289 217.624 511.148 1043.836 29.461 284.463 689.844 1389.86
s390-linux 18.797 56.076 118.010 221.433 21.296 80.4670 194.125 343.976
Context switching with 0K - times in microseconds - smaller is better
---------------------------------------------------------------------
2proc/0K 4proc/0K 8proc/0k 16proc/0k 32proc/0k 64proc/0k 96proc/0k
kernel ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch
------------ --------- --------- --------- --------- --------- --------- ---------
linux-4x700 2.738 2.948 3.072 3.113 3.210 4.091 4.103
480r-2x900 10.677 11.826 13.100 14.299 14.651 15.081 15.365
880r-8x750 14.281 14.447 14.896 15.908 16.661 17.444 17.737
e10k-12x333 40.492 42.880 45.938 54.990 50.990 83.009 71.357
s390-linux 13.030 14.599 15.914 16.506 17.107 18.644 20.678
Context switching with 16K - times in microseconds - smaller is better
----------------------------------------------------------------------
2proc/16k 4proc/16k 8proc/16k 16prc/16k 32prc/16k 64prc/16k 96prc/16k
kernel ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch
------------ --------- --------- --------- --------- --------- --------- ---------
linux-4x700 8.740 8.737 8.843 8.971 12.380 11.624 15.522
480r-2x900 13.737 19.975 22.493 23.788 24.482 25.323 26.013
880r-8x750 15.039 15.588 23.702 27.266 29.002 31.079 32.333
e10k-12x333 66.257 70.736 85.141 118.717 103.736 109.087 105.873
s390-linux 12.875 23.420 24.712 25.695 28.848 38.603 45.975
Context switching with 32K - times in microseconds - smaller is better
----------------------------------------------------------------------
2proc/32k 4proc/32k 8proc/32k 16prc/32k 32prc/32k 64prc/32k 96prc/32k
kernel ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch
------------ --------- --------- --------- --------- --------- --------- ---------
linux-4x700 13.849 13.856 14.138 17.657 19.356 31.234 51.617
480r-2x900 18.365 28.298 32.059 33.466 34.127 35.884 37.808
880r-8x750 15.723 15.853 31.846 38.899 41.660 46.213 53.577
e10k-12x333 101.515 130.054 131.786 147.901 154.531 164.156 163.258
s390-linux 17.049 31.543 33.310 36.153 48.789 70.835 79.947
The 32, 64 and 96 process context switch test with 64k doesn't fit in the 1MB L2 cache on
the quad Xeon.
Context switching with 64K - times in microseconds - smaller is better
----------------------------------------------------------------------
2proc/64k 4proc/64k 8proc/64k 16prc/64k 32prc/64k 64prc/64k 96prc/64k
kernel ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch ctx swtch
------------ --------- --------- --------- --------- --------- --------- ---------
linux-4x700 24.061 24.120 28.283 41.731 52.586 118.128 164.964
480r-2x900 25.748 47.277 51.813 53.133 54.428 68.155 85.570
880r-8x750 24.402 26.411 53.711 63.891 70.696 86.658 118.974
e10k-12x333 164.256 173.835 179.648 233.146 225.028 271.155 347.985
s390-linux 17.333 48.334 52.162 72.101 112.426 136.097 138.215
*Local* Communication latencies in microseconds - smaller is better
-------------------------------------------------------------------
kernel Pipe AF/Unix UDP RPC/UDP TCP RPC/TCP TCPconn
------------ ------- ------- ------- ------- ------- ------- -------
linux-4x700 10.798 25.656 38.617 59.390 43.524 77.583 85.024
480r-2x900 33.208 41.887 65.927 104.881 68.144 123.152 207.294
880r-8x750 37.138 49.319 77.186 125.514 82.725 148.831 260.240
e10k-12x333 105.968 139.294 203.185 308.967 231.860 354.566 568.435
s390-linux 51.910 121.889 111.409 172.958 125.973 194.822 406.810
File create/delete and VM system latencies in microseconds - smaller is better
----------------------------------------------------------------------------
0K 0K 1K 1K 4K 4K 10K 10K Mmap Prot Page
kernel Create Delete Create Delete Create Delete Create Delete Latency Fault Fault
------------- ------- ------- ------- ------- ------- ------- ------- ------- ------- ------ ------
linux-4x700 87.09 26.61 135.74 47.37 136.81 47.46 210.80 57.77 2724.4 0.992 3.00
480r-2x900 1315.25 642.32 1419.43 1250.36 1417.62 1268.72 1848.71 1333.36 25125.2 3.708 511.78
880r-8x750 966.16 971.16 1268.35 1025.95 1264.14 1035.89 1303.68 1048.78 44715.1 4.883 581.21
e10k-12x333 423.47 2079.65 3792.09 2756.66 3868.43 2252.06 4324.28 2498.27 18678.3 12.631 7541.69
s390-linux 355.18 174.77 603.53 276.96 676.36 276.41 947.89 348.36 52840.0 0.000 34.65
The libc bcopy test uses 8 MB looks good on the 2x900 with 8 MB cache, though
that test is meant to outsize the CPU cache.
*Local* Communication bandwidths in MB/s - bigger is better
-----------------------------------------------------------
File Mmap Bcopy Bcopy Memory Memory
kernel Pipe AF/Unix TCP reread reread (libc) (hand) read write
------------ ------- ------- ------- ------- ------- ------- ------- ------- -------
linux-4x700 471.04 273.62 173.77 303.08 366.12 162.03 162.02 366.07 215.19
480r-2x900 188.86 370.31 434.11 303.21 244.52 871.46 143.79 244.50 261.55
880r-8x750 121.75 156.51 216.60 164.61 232.61 228.70 120.31 229.55 217.12
e10k-12x333 41.96 86.76 128.62 50.30 92.73 160.55 52.87 92.74 103.44
s390-linux 112.04 220.51 210.60 248.57 424.61 276.53 231.94 433.11 341.18
Memory latencies in nanoseconds - smaller is better
--------------------------------------
kernel Mhz L1 $ L2 $ Main mem
------------ ----- ------- ------- ---------
linux-4x700 698 4.301 12.906 163.69
480r-2x900 900 2.222 14.662 194.10
880r-8x750 749 2.671 17.645 238.13
e10k-12x333 333 6.009 30.332 564.98
s390-linux 436 6.839 6.858 211.43
-- Randy Hron http://home.earthlink.net/~rwhron/kernel/bigbox.html- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/