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- Impact of em(4) drivers parameters (Intel dual-port 82571EB) on HP ProLiant DL320 G5 (Intel Xeon 3050 @ 2.13GHz).
- Measuring max forwarding speed (value in pps) with smallest packet size.
- # ministat -s rx_process_limit_100 rx_process_limit_500 rx_process_limit_1000 rx_process_limit_-1
- x rx_process_limit_100
- + rx_process_limit_500
- * rx_process_limit_1000
- % rx_process_limit_-1
- +----------------------------------------------------------------------------------------------------------+
- |x * * x x x x + % * % + + +@ %* % *|
- | |___________________A_____M_____________| |
- | |____________A____M______| |
- | |___________________________________A___M_______________________________| |
- | |____________A_____M______| |
- +----------------------------------------------------------------------------------------------------------+
- N Min Max Median Avg Stddev
- x 5 585176 587417 586835 586591.6 843.85947
- + 5 587608 588888 588789 588555.4 537.73441
- Difference at 95.0% confidence
- 1963.8 +/- 1031.92
- 0.334781% +/- 0.175918%
- (Student's t, pooled s = 707.551)
- * 5 586160 589674 588044 587873.4 1543.9381
- No difference proven at 95.0% confidence
- % 5 587854 589159 588893 588645.6 546.37423
- Difference at 95.0% confidence
- 2054 +/- 1036.74
- 0.350158% +/- 0.176739%
- (Student's t, pooled s = 710.853)
- # ministat -s rxd.txd.1024 rxd.txd.2048 rxd.txd.4096
- x rxd.txd.1024
- + rxd.txd.2048
- * rxd.txd.4096
- +----------------------------------------------------------------------------------------------------------+
- | * + x |
- |* *** + + + x x xx |
- | |___A_M_||
- | |____AM___| |
- | |____A_M___| |
- +----------------------------------------------------------------------------------------------------------+
- N Min Max Median Avg Stddev
- x 5 585596 587300 587163 586781.6 707.4025
- + 5 580524 582903 582297 582087 909.72441
- Difference at 95.0% confidence
- -4694.6 +/- 1188.44
- -0.800059% +/- 0.202535%
- (Student's t, pooled s = 814.867)
- * 5 568210 570862 570480 570113.4 1076.0255
- Difference at 95.0% confidence
- -16668.2 +/- 1328
- -2.84061% +/- 0.22632%
- (Student's t, pooled s = 910.563)
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