チューニングなしの計測

オプション	NIC		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-t	3COM	local	419430400	35.63	0.74	94.1719	4534.3827	102400	2873.90	138378.38
		remote	419430400	35.64	2.90	94.1551	1157.0494	289543	8124.70	99842.41
	MELCO-32	local	419430400	20.76	1.39	161.6043	2413.9879	102400	4931.77	73669.06
		remote	419430400	20.77	2.36	161.5745	1421.7980	287148	13827.02	121672.88

オプション	NIC		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-r	3COM	local	419430400	35.64	3.14	94.1420	1068.6125	289660	8126.85	92248.41
		remote	419430400	35.64	0.63	94.1565	5326.1003	102400	2873.43	162539.68
	MELCO-32	local	419430400	20.87	2.68	160.7533	1252.0310	287523	13774.71	107284.70
		remote	419430400	20.87	1.00	160.7770	3355.4432	102400	4906.52	102400.00

バッファ長を変えてみる.

オプション	NIC		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-l 10240	3COM	local	1048576000	89.09	1.81	94.1604	4634.5901	102400	1149.42	56574.59
		remote	1048576000	89.10	7.29	94.1534	1150.7007	723999	8126.13	99313.99
	MELCO-32	local	1048576000	51.90	2.50	161.6455	3355.4432	102400	1973.21	40960.00
		remote	1048576000	51.90	5.93	161.6343	1414.6051	715544	13787.33	120665.09
-l 20480	3COM	local	2097152000	178.16	3.89	94.1707	4312.9090	102400	574.77	26323.91
		remote	2097152000	178.16	15.01	94.1669	1117.7359	1448145	8128.13	96478.68
	MELCO-32	local	2097152000	103.74	5.23	161.7288	3207.8807	102400	987.11	19579.35
		remote	2097152000	103.74	12.42	161.7216	1350.8225	1430404	13788.18	115169.40
-l 40960	3COM	local	-100663296	356.32	8.35	94.1689	4018.4949	102400	287.38	12263.47
		remote	-100663296	356.33	30.86	94.1662	1087.3115	2896181	8127.76	93849.03
	MELCO-32	local	-100663296	207.37	10.89	161.8104	3081.2151	102400	493.81	9403.12
		remote	-100663296	207.37	24.98	161.8066	1343.2519	2860672	13794.77	114518.49

送受信バッファサイズを変えてみる

オプション	NIC		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-w 8	3COM	local	419430400	35.77	2.72	93.7940	1233.6188	102400	2862.36	37647.06
		remote	419430400	35.78	3.28	93.7909	1023.0010	307149	8585.39	93642.99
	MELCO-32	local	419430400	20.92	1.67	160.3845	2009.2474	102400	4894.55	61317.37
		remote	419430400	20.92	2.80	160.3809	1198.3726	272814	13039.75	97433.57
-w 16	3COM	local	419430400	35.77	1.99	93.8120	1686.1524	102400	2862.92	51457.29
		remote	419430400	35.77	3.13	93.8061	1072.0266	286651	8013.73	91581.79
	MELCO-32	local	419430400	20.92	1.51	160.4205	2222.1478	102400	4895.64	67814.57
		remote	419430400	20.92	2.41	160.4121	1392.3001	284404	13596.37	118009.96
-w 32	3COM	local	419430400	35.68	1.00	94.0307	3355.4432	102400	2869.59	102400.00
		remote	419430400	35.69	3.13	94.0193	1072.0266	295046	8267.17	94263.90
	MELCO-32	local	419430400	20.80	1.57	161.3286	2137.2250	102400	4923.36	65222.93
		remote	419430400	20.80	2.38	161.3103	1409.8501	283572	13632.51	119147.90
-w 48	3COM	local	419430400	35.65	0.90	94.1186	3728.2702	102400	2872.27	113777.78
		remote	419430400	35.66	2.93	94.1013	1145.2025	292115	8192.18	99697.95
	MELCO-32	local	419430400	20.82	1.22	161.1595	2750.3633	102400	4918.20	83934.43
		remote	419430400	20.82	2.40	161.1340	1398.1013	287099	13786.97	119624.58
-w 64	3COM	local	419430400	35.64	0.65	94.1562	5162.2203	102400	2873.42	157538.46
		remote	419430400	35.64	2.81	94.1382	1194.1079	289582	8124.33	103054.09
	MELCO-32	local	419430400	20.76	1.01	161.6064	3322.2210	102400	4931.84	101386.14
		remote	419430400	20.77	2.52	161.5750	1331.5251	287070	13823.31	113916.67
-w 128	3COM	local	419430400	35.64	1.40	94.1529	2396.7451	102400	2873.32	73142.86
		remote	419430400	35.66	3.23	94.1063	1038.8369	289553	8120.76	89644.89
	MELCO-32	local	419430400	18.83	1.63	178.1625	2058.5541	102400	5437.09	62822.09
		remote	419430400	18.84	2.68	178.0985	1252.0310	285943	15177.14	106695.15
-w 256	3COM	local	419430400	35.62	1.22	94.1879	2750.3633	102400	2874.39	83934.43
		remote	419430400	35.64	3.00	94.1540	1118.4811	289558	8125.02	96519.33
	MELCO-32	local	419430400	18.88	1.56	177.7322	2150.9251	102400	5423.96	65641.03
		remote	419430400	18.89	2.71	177.6592	1238.1709	286049	15145.31	105553.14
-w 512	3COM	local	419430400	35.62	1.35	94.1951	2485.5135	102400	2874.61	75851.85
		remote	419430400	35.64	3.21	94.1585	1045.3094	289550	8125.19	90202.49
	MELCO-32	local	419430400	18.85	1.55	177.9967	2164.8021	102400	5432.03	66064.52
		remote	419430400	18.86	2.68	177.9148	1252.0310	285709	15149.07	106607.84
-w 1024	3COM	local	419430400	35.62	1.18	94.1897	2843.5959	102400	2874.44	86779.66
		remote	419430400	35.64	3.32	94.1530	1010.6757	289557	8124.91	87215.96
	MELCO-32	local	419430400	18.85	1.35	178.0329	2485.5135	102400	5433.13	75851.85
		remote	419430400	18.85	2.89	177.9637	1161.0530	285935	15165.23	98939.45

一つのリモートマシンに複数のマシンからnttcpしてみる

ノードA,BからノードDへ

オプション	NIC	ノード		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-t -w 128	3COM	ノードA	local	419430400	62.43	1.06	53.7478	3165.5125	102400	1640.25	96603.77
			remote	419430400	62.45	3.43	53.7320	978.2633	287331	4601.15	83769.97
		ノードB	local	419430400	70.97	1.24	47.2796	2706.0026	102400	1442.86	82580.65
			remote	419430400	70.98	3.17	47.2713	1058.4994	287365	4048.38	90651.42
	MELCO-32	ノードA	local	419430400	18.91	1.45	177.4134	2314.0988	102400	5414.23	70620.69
			remote	419430400	18.92	5.27	177.3411	636.7065	251717	13303.69	47764.14
		ノードB	local	419430400	19.01	1.34	176.4672	2504.0621	102400	5385.35	76417.91
			remote	419430400	19.02	5.12	176.3917	655.3600	252361	13266.32	49289.26

ノードA,B,CからノードDへ

オプション	NIC	ノード		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-t -w 128	3COM	ノードA	local	419430400	106.89	1.21	31.3927	2773.0936	102400	958.03	84628.10
			remote	419430400	106.90	3.60	31.3879	932.0676	280483	2623.73	77911.94
		ノードB	local	419430400	106.03	1.22	31.6447	2750.3633	102400	965.72	83934.43
			remote	419430400	106.07	3.31	31.6351	1013.7291	280653	2646.00	84789.43
		ノードC	local	419430400	105.11	1.09	31.9228	3078.3883	102400	974.21	93944.95
			remote	419430400	105.15	3.24	31.9110	1035.6306	281034	2672.70	86738.89
	MELCO-32	ノードA	local	419430400	24.16	1.34	138.8723	2504.0621	102400	4238.05	76417.91
			remote	419430400	24.17	6.43	138.8280	521.8419	230274	9527.35	35812.44
		ノードB	local	419430400	24.02	1.37	139.7073	2449.2286	102400	4263.53	74744.53
			remote	419430400	24.03	6.69	139.6591	501.5610	228610	9515.12	34171.90
		ノードC	local	419430400	23.41	1.40	143.3386	2396.7451	102400	4374.35	73142.86
			remote	419430400	23.42	6.45	143.2906	520.2238	228534	9759.30	35431.63

二組のnttcpを同時に実行してみる

オプション	NIC	ノード		Bytes	Real s	CPU s	Real-MBit/s	CPU-MBit/s	Calls	Real-C/s	CPU-C/s
-t -w 128	3COM	ノードA	local	419430400	35.63	1.14	94.1753	2943.3712	102400	2874.00	89824.56
			remote	419430400	35.64	3.15	94.1424	1065.2201	289535	8123.38	91915.87
		ノードB	local	419430400	35.66	1.38	94.0995	2431.4806	102400	2871.69	74202.90
			remote	419430400	35.67	3.02	94.0562	1111.0739	289566	8116.81	95882.78
	MELCO-32	ノードA	local	419430400	18.84	1.54	178.1202	2178.8592	102400	5435.80	66493.51
			remote	419430400	18.85	2.61	178.0542	1285.6104	285962	15174.37	109563.98
		ノードB	local	419430400	18.98	1.60	176.8175	2097.1520	102400	5396.04	64000.00
			remote	419430400	18.98	2.43	176.7590	1380.8408	285899	15060.67	117653.91