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These tables are the performance test results on SuperMicro-6012-p6: Hardware Configuration +--------+----------------------------------------------------------+ | System | SuperMicro-6012-p6 | +--------+----------------------------------------------------------+ | CPU | two-way 2.8 GHz Xeon SMP | +--------+----------------------------------------------------------+ | Cache | L1 D cache 8K, L2 cache 512K | +--------+----------------------------------------------------------+ | Memory| 512MB SDRAM | +--------+----------------------------------------------------------+ | Storage | Adaptec AIC7XXX SCSI disk | +--------+----------------------------------------------------------+ | Network| Intel E1000 Ethernet Adapter | +--------+----------------------------------------------------------+ Software Specification +----------------+----------------------------------------------------+ | OS | MontaVista CGE 3.1 | +----------------+----------------------------------------------------+ | Kernel Version | Linux 2.6.0 to 2.6.11 | +----------------+---------------------------------------------------+ | File System | Ext3 | +----------------+---------------------------------------------------+ | Testing Tool | Lmbench-3.0-a3, Netperf 2.2pl4 | +----------------+---------------------------------------------------+ Processor, Processes - times in microseconds - smaller is better +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | kernel| Mhz | null | null| |open| slct| sig| sig| fork|exec| sh| | | | call | I/O| stat| clos| TCP| inst| hndl| proc|proc| proc| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.0 | 2800| 0.42| 0.49| 1.89| 2.72| 16.4| 0.75| 2.75| 150.| 486.| 2315| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.1 | 2800| 0.42| 0.50| 1.89| 2.75| 16.6| 0.76| 2.76| 153.| 484.| 2310| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.2 | 2800| 0.42| 0.49| 1.97| 2.73| 16.5| 0.75| 2.73| 150.| 500.| 2311| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.3 | 2800| 0.42| 0.49| 1.94| 2.80| 16.5| 0.75| 2.80| 150.| 496.| 2300| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.4 | 2800| 0.42| 0.49| 1.88| 2.72| 16.4| 0.75| 2.73| 152.| 499.| 2318| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.5 | 2800| 0.42| 0.49| 1.94| 2.74| 16.5| 0.75| 2.77| 152.| 500.| 2300| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.6 | 2800| 0.42| 0.51| 1.96| 2.78| 17.3| 0.76| 2.84| 154.| 493.| 2287| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.7 | 2800| 0.42| 0.49| 1.87| 2.69| 16.8| 0.77| 2.76| 146.| 555.| 2336| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.8 | 2800| 0.42| 0.49| 1.93| 2.77| 16.6| 0.77| 2.94| 149.| 543.| 2329| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.9 | 2800| 0.42| 0.50| 1.94| 2.77| 16.8| 0.77| 3.01| 137.| 530.| 2310| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.10| 2800| 0.42| 0.50| 1.98| 2.79| 17.7| 0.76| 2.24| 136.| 552.| 2325| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ | 2.6.11| 2800| 0.42| 0.53| 1.97| 2.89| 19.9| 0.77| 2.28| 171.| 605.| 2423| +------+-----+-----+----+-----+----+----+-----+----+-----+----+-----+ Context switching - times in microseconds - smaller is better +------+-------+------+-------+-------+-------+--------+--------+ | kernel| 2p/0K|2p/16K|2p/64K| 8p/16K|8p/64K| 16p/16K|16p/64K| | | ctxsw| ctxsw| ctxsw| ctxsw| ctxsw| ctxsw| ctxsw| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.0 | 3.8400| 3.7800| 3.6300| 4.2300| 11.5| 4.68000| 31.8| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.1 | 3.7500| 3.9600| 3.6300| 4.2400| 7.6000| 4.94000| 31.4| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.2 | 3.7800| 3.6700| 3.6400| 4.3000| 10.6| 4.76000| 31.7| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.3 | 3.6000| 3.6700| 3.6200| 3.7000| 8.7900| 4.39000| 31.4| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.4 | 3.5900| 3.9100| 3.5700| 4.2500| 8.3900| 4.52000| 33.5| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.5 | 3.5100| 3.7500| 3.3600| 4.2900| 10.4| 4.39000| 31.1| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.6 | 3.9300| 3.9800| 5.0800| 4.3400| 7.1500| 4.40000| 32.8| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.7 | 4.1300| 4.2400| 4.1300| 4.0300| 9.5000| 4.37000| 31.2| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.8 | 4.4200| 4.6400| 4.7200| 4.4600| 9.2300| 5.42000| 32.0| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.9 | 5.3000| 5.4000| 5.2400| 4.9100| 8.2300| 5.78000| 34.3| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.10| 5.4200| 5.7600| 5.6100| 5.2800| 10.4| 5.81000| 33.2| +------+-------+------+-------+-------+-------+--------+--------+ | 2.6.11| 5.0600| 5.5100| 5.5400| 6.2200| 17.1| 7.05000| 35.0| +------+-------+------+-------+-------+-------+--------+--------+ *Local* Communication latencies in microseconds - smaller is better +------+------+-----+-----+-----+------+------+-----+-----+ | kernel| 2p/0K| Pipe| AF| UDP| RPC/| TCP| RPC/| TCP| | | ctxsw| | UNIX| | UDP| | TCP | conn| +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.0 | 3.840| 11.1| 14.8| 27.7| 36.4| 32.6| 42.0| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.1 | 3.750| 11.3| 15.1| 28.5| 36.0| 31.9| 42.0| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.2 | 3.780| 11.1| 14.2| 27.8| 35.2| 30.9| 43.1| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.3 | 3.600| 10.6| 15.5| 27.8| 35.7| 31.2| 41.8| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.4 | 3.590| 10.8| 15.4| 27.8| 35.3| 31.3| 42.0| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.5 | 3.510| 10.7| 16.6| 27.5| 35.3| 31.8| 41.7| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.6 | 3.930| 11.2| 16.4| 28.6| 35.4| 32.6| 41.2| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.7 | 4.130| 12.2| 17.8| 29.2| 35.6| 33.4| 43.5| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.8 | 4.420| 12.6| 17.3| 29.5| 36.4| 34.0| 45.0| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.9 | 5.300| 14.4| 17.4| 30.1| 36.7| 34.2| 43.5| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.10| 5.420| 14.4| 16.8| 29.4| 37.0| 34.4| 43.5| | +------+------+-----+-----+-----+------+------+-----+-----+ | 2.6.11| 5.060| 14.2| 18.2| 33.3| 41.7| 39.0| 51.0| | +------+------+-----+-----+-----+------+------+-----+-----+ File & VM system latencies in microseconds - smaller is better +------+------+-------+-------+-------+--------+-----+--------+------+ | kernel| 0K File | 10K File | Mmap| Prot| Page | 100fd| | | Create| Delete| Create| Delete| Latency| Fault| Fault | selct| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.0 | 4.2290| 2.9060| 24.4| 6.5150| 1717.0| 0.790| 2.44470| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.1 | 4.4140| 2.9560| 24.9| 6.5470| 1725.0| 0.833| 2.43510| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.2 | 4.2090| 2.8970| 24.6| 6.4380| 1723.0| | 2.45170| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.3 | 4.2540| 2.9470| 24.3| 6.5300| 1727.0| 0.787| 2.44160| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.4 | 4.2350| 2.9080| 24.4| 6.4690| 1717.0| 0.792| 2.46550| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.5 | 4.2290| 2.8810| 24.7| 6.4540| 1722.0| 0.751| 2.47660| 15.7| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.6 | 4.1570| 2.7980| 24.5| 6.8960| 1731.0| 0.849| 2.44610| 15.4| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.7 | 4.1540| 2.8120| 24.5| 6.9380| 1652.0| 0.724| 2.31820| 16.2| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.8 | 4.1390| 2.8230| 23.9| 7.0110| 1655.0| 0.787| 2.37340| 16.0| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.9 | 4.4320| 2.7890| 24.8| 7.0630| 1592.0| 0.854| 2.23750| 15.3| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.10| 4.4210| 2.8130| 24.8| 7.1710| 1593.0| 0.937| 2.24050| 15.9| +------+------+-------+-------+-------+--------+-----+--------+------+ | 2.6.11| 4.5770| 3.0230| 25.5| 7.5990| 2209.0| 0.960| 2.41500| 16.4| +------+------+-------+-------+-------+--------+-----+--------+------+ *Local* Communication bandwidths in MB/s - bigger is better +------+-----+-----+----+-------+-------+------+-------+-----+------+ | kernel| Pipe| AF| TCP| File| Mmap| Bcopy| Bcopy|Mem| Mem| | | |UNIX| | reread| reread| (libc)| (hand)| read| write| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.0 | 1070| 461.| 244.| 1555.4| 1630.3| 582.9| 603.5| 1628| 696.8| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.1 | 1059| 447.| 255.| 1532.7| 1609.8| 574.5| 593.0| 1628| 698.4| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.2 | 1159| 468.| 263.| 1548.3| 1630.3| 581.3| 601.7| 1627| 696.9| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.3 | 1156| 438.| 245.| 1540.6| 1630.3| 575.2| 601.8| 1626| 698.6| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.4 | 1141| 445.| 264.| 1546.9| 1629.6| 582.1| 602.3| 1609| 700.0| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.5 | 1058| 447.| 263.| 1548.1| 1611.8| 574.9| 595.2| 1608| 698.7| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.6 | 1136| 443.| 259.| 1535.1| 1629.2| 574.2| 601.7| 1606| 701.2| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.7 | 841.| 453.| 213.| 1534.0| 1608.8| 574.9| 601.5| 1605| 703.0| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.8 | 843.| 445.| 219.| 1585.3| 1609.5| 575.1| 593.3| 1626| 702.2| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.9 | 779.| 439.| 247.| 1568.0| 1628.4| 569.8| 588.8| 1625| 705.2| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.10| 741.| 455.| 246.| 1566.3| 1627.6| 571.3| 591.4| 1604| 703.3| +------+-----+-----+----+-------+-------+------+-------+-----+------+ | 2.6.11| 552.| 446.| 242.| 1566.8| 1607.8| 574.2| 601.7| 1603| 699.0| +------+-----+-----+----+-------+-------+------+-------+-----+------+ Netperf results +------+-------+-------+------+-------+-------+-------+------+-------+------+ | | Packet Size (Bytes) | +------+-------+-------+------+-------+-------+-------+------+-------+------+ | | 1| 4| 16| 64| 256| 1024| 4096| 16384| 65536| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | kernel| Throughput (Mbits/s) +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.0 | 8.12| 31.01| 121.97| 443.56| 910.58| 911.70| 926.59| 924.80| 928.04| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.1 | 7.91| 30.45| 120.60| 445.69| 909.58| 930.71| 928.13| 924.57| 925.49| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.2 | 8.11| 31.19| 123.33| 438.94| 921.12| 914.43| 926.55| 935.47| 928.33| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.3 | 8.09| 30.88| 122.52| 454.89| 920.64| 918.04| 919.66| 926.66| 927.85| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.4 | 8.10| 30.79| 118.29| 390.35| 869.74| 769.71| 803.05| 939.80| 939.54| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.5 | 8.19| 31.17| 118.69| 390.03| 867.73| 937.65| 938.91| 939.70| 939.78| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.6 | 7.61| 29.01| 111.42| 373.83| 847.90| 937.54| 939.32| 939.78| 939.84| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.7 | 7.58| 28.39| 108.20| 352.59| 776.24| 938.54| 939.14| 939.45| 939.80| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.8 | 7.37| 27.69| 100.97| 317.14| 761.78| 936.87| 939.55| 940.06| 939.80| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.9 | 6.89| 26.75| 101.03| 337.41| 932.48| 937.60| 938.57| 938.41| 938.54| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.10| 7.03| 26.91| 100.26| 336.98| 932.08| 937.23| 938.70| 918.02| 938.66| +------+-------+-------+------+-------+-------+-------+------+-------+------+ | 2.6.11| 6.17| 23.93| 92.08| 295.94| 881.60| 920.58| 938.19| 938.25| 938.52| +------+-------+-------+------+-------+-------+-------+------+-------+------+ - 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