LAM 6.0 Timings =============== Short messages -------------- Running ping... start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes 0, mean 0.000358, stdev 0.000012, min 0.000342, max 0.000381 #bytes 512, mean 0.000451, stdev 0.000016, min 0.000400, max 0.000478 #bytes 1024, mean 0.000442, stdev 0.000031, min 0.000371, max 0.000517 #bytes 1536, mean 0.000505, stdev 0.000033, min 0.000468, max 0.000595 #bytes 2048, mean 0.000520, stdev 0.000017, min 0.000488, max 0.000576 #bytes 2560, mean 0.000672, stdev 0.000128, min 0.000595, max 0.001142 #bytes 3072, mean 0.000710, stdev 0.000020, min 0.000683, max 0.000752 #bytes 3584, mean 0.000786, stdev 0.000021, min 0.000742, max 0.000820 #bytes 4096, mean 0.000848, stdev 0.000026, min 0.000810, max 0.000923 Running pingpong... start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes 0, mean 0.001534, stdev 0.000022, min 0.001513, max 0.001591 #bytes 512, mean 0.001984, stdev 0.000097, min 0.001942, max 0.002401 #bytes 1024, mean 0.002166, stdev 0.000018, min 0.002147, max 0.002216 #bytes 1536, mean 0.002404, stdev 0.000021, min 0.002381, max 0.002450 #bytes 2048, mean 0.002631, stdev 0.000019, min 0.002606, max 0.002660 #bytes 2560, mean 0.002893, stdev 0.000106, min 0.002840, max 0.003344 #bytes 3072, mean 0.003091, stdev 0.000018, min 0.003065, max 0.003133 #bytes 3584, mean 0.003756, stdev 0.001475, min 0.003260, max 0.009721 #bytes 4096, mean 0.003532, stdev 0.000015, min 0.003504, max 0.003558 Long messages ------------- Running ping... start = 4096, end = 16384, inc = 2048, iterations = 40, trials = 20 #bytes 4096, mean 0.000885, stdev 0.000027, min 0.000830, max 0.000927 #bytes 6144, mean 0.001261, stdev 0.000046, min 0.001171, max 0.001342 #bytes 8192, mean 0.001621, stdev 0.000057, min 0.001537, max 0.001781 #bytes 10240, mean 0.003922, stdev 0.000310, min 0.003758, max 0.005260 #bytes 12288, mean 0.004035, stdev 0.000050, min 0.003953, max 0.004124 #bytes 14336, mean 0.004349, stdev 0.000068, min 0.004221, max 0.004465 #bytes 16384, mean 0.004793, stdev 0.000358, min 0.004612, max 0.006344 Running pingpong... start = 4096, end = 16384, inc = 2048, iterations = 40, trials = 20 #bytes 4096, mean 0.003629, stdev 0.000018, min 0.003587, max 0.003660 #bytes 6144, mean 0.004552, stdev 0.000028, min 0.004504, max 0.004587 #bytes 8192, mean 0.005507, stdev 0.000042, min 0.005441, max 0.005612 #bytes 10240, mean 0.008764, stdev 0.000316, min 0.008540, max 0.010116 #bytes 12288, mean 0.009231, stdev 0.000048, min 0.009126, max 0.009296 #bytes 14336, mean 0.009799, stdev 0.000234, min 0.009652, max 0.010785 #bytes 16384, mean 0.010508, stdev 0.000075, min 0.010370, max 0.010677 Collective ---------- Running barrier... iterations = 100, trials = 20 mean 0.005185, stdev 0.000957, min 0.004856, max 0.009229 Running bcast... start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes = 0 leaf 1, mean 0.002676, stdev 0.000112, min 0.002616, max 0.003152 leaf 2, mean 0.002451, stdev 0.000017, min 0.002420, max 0.002479 leaf 3, mean 0.003005, stdev 0.000022, min 0.002977, max 0.003065 leaf 4, mean 0.002271, stdev 0.000121, min 0.002206, max 0.002787 leaf 5, mean 0.002744, stdev 0.000017, min 0.002713, max 0.002778 leaf 6, mean 0.002708, stdev 0.000090, min 0.002655, max 0.003016 leaf 7, mean 0.003757, stdev 0.001796, min 0.003201, max 0.011464 maximum leaf = 7, time = 0.003757 #bytes = 512 leaf 1, mean 0.003094, stdev 0.000030, min 0.003045, max 0.003168 leaf 2, mean 0.002908, stdev 0.000011, min 0.002889, max 0.002928 leaf 3, mean 0.003623, stdev 0.000025, min 0.003588, max 0.003670 leaf 4, mean 0.002668, stdev 0.000183, min 0.002586, max 0.003461 leaf 5, mean 0.003335, stdev 0.000020, min 0.003309, max 0.003367 leaf 6, mean 0.003291, stdev 0.000025, min 0.003240, max 0.003328 leaf 7, mean 0.004072, stdev 0.000178, min 0.003943, max 0.004626 maximum leaf = 7, time = 0.004072 #bytes = 1024 leaf 1, mean 0.003284, stdev 0.000076, min 0.003231, max 0.003597 leaf 2, mean 0.003190, stdev 0.000023, min 0.003143, max 0.003231 leaf 3, mean 0.003956, stdev 0.000022, min 0.003914, max 0.003988 leaf 4, mean 0.002906, stdev 0.000019, min 0.002860, max 0.002938 leaf 5, mean 0.003706, stdev 0.000073, min 0.003660, max 0.004007 leaf 6, mean 0.003702, stdev 0.000021, min 0.003670, max 0.003744 leaf 7, mean 0.004398, stdev 0.000017, min 0.004372, max 0.004441 maximum leaf = 7, time = 0.004398 #bytes = 1536 leaf 1, mean 0.003478, stdev 0.000054, min 0.003426, max 0.003685 leaf 2, mean 0.003455, stdev 0.000099, min 0.003387, max 0.003758 leaf 3, mean 0.004226, stdev 0.000019, min 0.004197, max 0.004261 leaf 4, mean 0.003554, stdev 0.001423, min 0.003133, max 0.009619 leaf 5, mean 0.003999, stdev 0.000050, min 0.003963, max 0.004187 leaf 6, mean 0.004099, stdev 0.000139, min 0.004021, max 0.004607 leaf 7, mean 0.004859, stdev 0.000015, min 0.004841, max 0.004900 maximum leaf = 7, time = 0.004859 #bytes = 2048 leaf 1, mean 0.004281, stdev 0.001533, min 0.003738, max 0.009292 leaf 2, mean 0.003734, stdev 0.000099, min 0.003666, max 0.004041 leaf 3, mean 0.004636, stdev 0.000031, min 0.004573, max 0.004681 leaf 4, mean 0.003654, stdev 0.000607, min 0.003377, max 0.005905 leaf 5, mean 0.004430, stdev 0.000097, min 0.004382, max 0.004847 leaf 6, mean 0.004476, stdev 0.000083, min 0.004392, max 0.004730 leaf 7, mean 0.005238, stdev 0.000025, min 0.005208, max 0.005305 maximum leaf = 7, time = 0.005238 #bytes = 2560 leaf 1, mean 0.003996, stdev 0.000059, min 0.003933, max 0.004222 leaf 2, mean 0.004002, stdev 0.000087, min 0.003933, max 0.004290 leaf 3, mean 0.004901, stdev 0.000023, min 0.004866, max 0.004948 leaf 4, mean 0.003874, stdev 0.000703, min 0.003592, max 0.006799 leaf 5, mean 0.004711, stdev 0.000065, min 0.004636, max 0.004964 leaf 6, mean 0.004960, stdev 0.000239, min 0.004841, max 0.005930 leaf 7, mean 0.005988, stdev 0.000795, min 0.005618, max 0.009170 maximum leaf = 7, time = 0.005988 #bytes = 3072 leaf 1, mean 0.004204, stdev 0.000050, min 0.004128, max 0.004320 leaf 2, mean 0.004234, stdev 0.000183, min 0.004148, max 0.005022 leaf 3, mean 0.005173, stdev 0.000030, min 0.005124, max 0.005247 leaf 4, mean 0.003866, stdev 0.000031, min 0.003787, max 0.003910 leaf 5, mean 0.005043, stdev 0.000132, min 0.004929, max 0.005446 leaf 6, mean 0.005191, stdev 0.000146, min 0.005110, max 0.005758 leaf 7, mean 0.006053, stdev 0.000127, min 0.005969, max 0.006486 maximum leaf = 7, time = 0.006053 #bytes = 3584 leaf 1, mean 0.004472, stdev 0.000134, min 0.004392, max 0.005042 leaf 2, mean 0.004437, stdev 0.000025, min 0.004402, max 0.004486 leaf 3, mean 0.005481, stdev 0.000083, min 0.005407, max 0.005754 leaf 4, mean 0.004072, stdev 0.000085, min 0.003988, max 0.004427 leaf 5, mean 0.005307, stdev 0.000051, min 0.005241, max 0.005501 leaf 6, mean 0.005457, stdev 0.000024, min 0.005417, max 0.005505 leaf 7, mean 0.006413, stdev 0.000085, min 0.006340, max 0.006691 maximum leaf = 7, time = 0.006413 #bytes = 4096 leaf 1, mean 0.004682, stdev 0.000059, min 0.004626, max 0.004925 leaf 2, mean 0.004675, stdev 0.000089, min 0.004612, max 0.004974 leaf 3, mean 0.005663, stdev 0.000030, min 0.005632, max 0.005745 leaf 4, mean 0.004287, stdev 0.000128, min 0.004226, max 0.004837 leaf 5, mean 0.005602, stdev 0.000066, min 0.005549, max 0.005876 leaf 6, mean 0.005756, stdev 0.000055, min 0.005710, max 0.005973 leaf 7, mean 0.006652, stdev 0.000071, min 0.006608, max 0.006867 maximum leaf = 7, time = 0.006652 Running gather... start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes 0, mean 0.003520, stdev 0.005399, min 0.002176, max 0.027037 #bytes 512, mean 0.003005, stdev 0.001112, min 0.002645, max 0.007833 #bytes 1024, mean 0.003060, stdev 0.000056, min 0.002973, max 0.003162 #bytes 1536, mean 0.003682, stdev 0.000032, min 0.003627, max 0.003754 #bytes 2048, mean 0.004263, stdev 0.000107, min 0.004193, max 0.004704 #bytes 2560, mean 0.004959, stdev 0.000023, min 0.004905, max 0.005003 #bytes 3072, mean 0.005651, stdev 0.000052, min 0.005569, max 0.005784 #bytes 3584, mean 0.006174, stdev 0.000079, min 0.006110, max 0.006486 #bytes 4096, mean 0.006692, stdev 0.000059, min 0.006623, max 0.006906 Running alltoall... start = 0, end = 4096, inc = 512, iterations = 20, trials = 20 #bytes 0, mean 0.005947, stdev 0.000088, min 0.005807, max 0.006149 #bytes 512, mean 0.007258, stdev 0.000098, min 0.007076, max 0.007564 #bytes 1024, mean 0.008646, stdev 0.001134, min 0.007808, max 0.011106 #bytes 1536, mean 0.008997, stdev 0.000772, min 0.008715, max 0.012346 #bytes 2048, mean 0.012754, stdev 0.008684, min 0.010004, max 0.048975 #bytes 2560, mean 0.012368, stdev 0.000271, min 0.012034, max 0.013127 #bytes 3072, mean 0.015251, stdev 0.000864, min 0.014640, max 0.018085 #bytes 3584, mean 0.017129, stdev 0.000119, min 0.016885, max 0.017353 #bytes 4096, mean 0.019356, stdev 0.000430, min 0.018914, max 0.020720 ------------------------------------------------------------------------------ MPICH Timings ============= Short messages -------------- Running ping... running /home/nevin/appbin.alpha/ping.mpich on 2 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI1835 start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes 0, mean 0.000639, stdev 0.000019, min 0.000625, max 0.000664 #bytes 512, mean 0.000770, stdev 0.000051, min 0.000586, max 0.000820 #bytes 1024, mean 0.000729, stdev 0.000031, min 0.000703, max 0.000781 #bytes 1536, mean 0.000820, stdev 0.000045, min 0.000742, max 0.000898 #bytes 2048, mean 0.000834, stdev 0.000068, min 0.000703, max 0.000977 #bytes 2560, mean 0.000908, stdev 0.000078, min 0.000781, max 0.001055 #bytes 3072, mean 0.001016, stdev 0.000048, min 0.000937, max 0.001094 #bytes 3584, mean 0.001117, stdev 0.000132, min 0.000937, max 0.001602 #bytes 4096, mean 0.001100, stdev 0.000060, min 0.001016, max 0.001211 Running pingpong... running /home/nevin/appbin.alpha/pingpong.mpich on 2 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI1884 start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes 0, mean 0.002295, stdev 0.000081, min 0.002227, max 0.002617 #bytes 512, mean 0.002482, stdev 0.000029, min 0.002422, max 0.002539 #bytes 1024, mean 0.002814, stdev 0.000026, min 0.002773, max 0.002852 #bytes 1536, mean 0.002998, stdev 0.000027, min 0.002969, max 0.003047 #bytes 2048, mean 0.003193, stdev 0.000123, min 0.003086, max 0.003711 #bytes 2560, mean 0.003359, stdev 0.000043, min 0.003320, max 0.003516 #bytes 3072, mean 0.003600, stdev 0.000031, min 0.003555, max 0.003672 #bytes 3584, mean 0.003875, stdev 0.000036, min 0.003828, max 0.003945 #bytes 4096, mean 0.004154, stdev 0.000079, min 0.004023, max 0.004453 Long messages ------------- Running ping... running /home/nevin/appbin.alpha/ping.mpich on 2 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI1928 start = 4096, end = 16384, inc = 2048, iterations = 40, trials = 20 #bytes 4096, mean 0.001104, stdev 0.000148, min 0.000977, max 0.001660 #bytes 6144, mean 0.001455, stdev 0.000081, min 0.001270, max 0.001563 #bytes 8192, mean 0.001821, stdev 0.000104, min 0.001660, max 0.002051 #bytes 10240, mean 0.002417, stdev 0.000087, min 0.002344, max 0.002637 #bytes 12288, mean 0.002729, stdev 0.000090, min 0.002539, max 0.002832 #bytes 14336, mean 0.003257, stdev 0.000077, min 0.003125, max 0.003418 #bytes 16384, mean 0.003755, stdev 0.000065, min 0.003613, max 0.003906 Running pingpong... running /home/nevin/appbin.alpha/pingpong.mpich on 2 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI1979 start = 4096, end = 16384, inc = 2048, iterations = 40, trials = 20 #bytes 4096, mean 0.004248, stdev 0.000272, min 0.004102, max 0.005371 #bytes 6144, mean 0.005698, stdev 0.000083, min 0.005566, max 0.005859 #bytes 8192, mean 0.007021, stdev 0.000172, min 0.006836, max 0.007617 #bytes 10240, mean 0.007710, stdev 0.000095, min 0.007520, max 0.007812 #bytes 12288, mean 0.008594, stdev 0.000082, min 0.008398, max 0.008789 #bytes 14336, mean 0.009736, stdev 0.000169, min 0.009473, max 0.010352 #bytes 16384, mean 0.010693, stdev 0.000125, min 0.010449, max 0.011035 Collective ---------- Running barrier... running /home/nevin/appbin.alpha/time_barrier.mpich on 8 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI2684 iterations = 100, trials = 20 mean 0.007268, stdev 0.000189, min 0.007109, max 0.007734 Running bcast... running /home/nevin/appbin.alpha/time_bcast.mpich on 8 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI2782 start = 0, end = 4096, inc = 512, iterations = 100, trials = 20 #bytes = 0 leaf 1, mean 0.000910, stdev 0.000292, min 0.000000, max 0.001836 leaf 2, mean 0.000955, stdev 0.000026, min 0.000937, max 0.001016 leaf 3, mean 0.000561, stdev 0.000458, min 0.000000, max 0.000977 leaf 4, mean 0.001160, stdev 0.000608, min 0.000898, max 0.003359 leaf 5, mean 0.000912, stdev 0.000211, min 0.000000, max 0.001016 leaf 6, mean 0.000902, stdev 0.000210, min 0.000000, max 0.001016 leaf 7, mean 0.000969, stdev 0.000044, min 0.000937, max 0.001133 maximum leaf = 4, time = 0.001160 #bytes = 512 leaf 1, mean 0.004697, stdev 0.000118, min 0.004609, max 0.005195 leaf 2, mean 0.004676, stdev 0.000031, min 0.004609, max 0.004727 leaf 3, mean 0.004924, stdev 0.000064, min 0.004844, max 0.005156 leaf 4, mean 0.004354, stdev 0.000042, min 0.004297, max 0.004453 leaf 5, mean 0.004662, stdev 0.000079, min 0.004570, max 0.004961 leaf 6, mean 0.004867, stdev 0.000895, min 0.004531, max 0.008633 leaf 7, mean 0.005012, stdev 0.000045, min 0.004961, max 0.005156 maximum leaf = 7, time = 0.005012 #bytes = 1024 leaf 1, mean 0.004879, stdev 0.000073, min 0.004766, max 0.005156 leaf 2, mean 0.004926, stdev 0.000035, min 0.004883, max 0.005000 leaf 3, mean 0.005219, stdev 0.000077, min 0.005156, max 0.005508 leaf 4, mean 0.004553, stdev 0.000065, min 0.004492, max 0.004805 leaf 5, mean 0.005174, stdev 0.000992, min 0.004805, max 0.009453 leaf 6, mean 0.004846, stdev 0.000036, min 0.004805, max 0.004922 leaf 7, mean 0.005320, stdev 0.000076, min 0.005234, max 0.005547 maximum leaf = 7, time = 0.005320 #bytes = 1536 leaf 1, mean 0.005402, stdev 0.000896, min 0.005000, max 0.008789 leaf 2, mean 0.005273, stdev 0.000172, min 0.005156, max 0.005977 leaf 3, mean 0.006217, stdev 0.001925, min 0.005508, max 0.012031 leaf 4, mean 0.005088, stdev 0.000957, min 0.004766, max 0.009141 leaf 5, mean 0.005117, stdev 0.000182, min 0.005039, max 0.005898 leaf 6, mean 0.005168, stdev 0.000273, min 0.005000, max 0.006328 leaf 7, mean 0.005660, stdev 0.000072, min 0.005586, max 0.005938 maximum leaf = 3, time = 0.006217 #bytes = 2048 leaf 1, mean 0.005379, stdev 0.000177, min 0.005273, max 0.006133 leaf 2, mean 0.005406, stdev 0.000038, min 0.005352, max 0.005469 leaf 3, mean 0.005906, stdev 0.000129, min 0.005820, max 0.006445 leaf 4, mean 0.005049, stdev 0.000049, min 0.004961, max 0.005195 leaf 5, mean 0.005506, stdev 0.000074, min 0.005430, max 0.005781 leaf 6, mean 0.005570, stdev 0.000073, min 0.005469, max 0.005820 leaf 7, mean 0.006525, stdev 0.001435, min 0.006094, max 0.012773 maximum leaf = 7, time = 0.006525 #bytes = 2560 leaf 1, mean 0.005697, stdev 0.000057, min 0.005625, max 0.005898 leaf 2, mean 0.005762, stdev 0.000204, min 0.005664, max 0.006641 leaf 3, mean 0.006406, stdev 0.000499, min 0.006211, max 0.008555 leaf 4, mean 0.005336, stdev 0.000071, min 0.005273, max 0.005586 leaf 5, mean 0.006430, stdev 0.002219, min 0.005859, max 0.016094 leaf 6, mean 0.005932, stdev 0.000133, min 0.005859, max 0.006484 leaf 7, mean 0.006650, stdev 0.000084, min 0.006523, max 0.006875 maximum leaf = 7, time = 0.006650 #bytes = 3072 leaf 1, mean 0.006143, stdev 0.000060, min 0.006055, max 0.006367 leaf 2, mean 0.006313, stdev 0.001178, min 0.005977, max 0.011445 leaf 3, mean 0.006742, stdev 0.000077, min 0.006641, max 0.007031 leaf 4, mean 0.005668, stdev 0.000058, min 0.005586, max 0.005859 leaf 5, mean 0.006271, stdev 0.000064, min 0.006211, max 0.006523 leaf 6, mean 0.006307, stdev 0.000081, min 0.006211, max 0.006602 leaf 7, mean 0.007164, stdev 0.000107, min 0.007070, max 0.007422 maximum leaf = 7, time = 0.007164 #bytes = 3584 leaf 1, mean 0.006492, stdev 0.000067, min 0.006406, max 0.006719 leaf 2, mean 0.006408, stdev 0.000161, min 0.006328, max 0.007031 leaf 3, mean 0.007146, stdev 0.000080, min 0.007031, max 0.007422 leaf 4, mean 0.005945, stdev 0.000085, min 0.005820, max 0.006250 leaf 5, mean 0.006648, stdev 0.000073, min 0.006562, max 0.006875 leaf 6, mean 0.006682, stdev 0.000066, min 0.006602, max 0.006914 leaf 7, mean 0.007668, stdev 0.000087, min 0.007539, max 0.007930 maximum leaf = 7, time = 0.007668 #bytes = 4096 leaf 1, mean 0.006715, stdev 0.000096, min 0.006602, max 0.007031 leaf 2, mean 0.006584, stdev 0.000060, min 0.006523, max 0.006797 leaf 3, mean 0.007574, stdev 0.000143, min 0.007461, max 0.008086 leaf 4, mean 0.006332, stdev 0.000068, min 0.006250, max 0.006562 leaf 5, mean 0.007172, stdev 0.000069, min 0.007109, max 0.007422 leaf 6, mean 0.007385, stdev 0.000868, min 0.007070, max 0.011055 leaf 7, mean 0.008438, stdev 0.000099, min 0.008320, max 0.008711 maximum leaf = 7, time = 0.008438 Running gather... running /home/nevin/appbin.alpha/time_gather.mpich on 8 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI2906 start = 0, end = 4096, inc = 512, iterations = 20, trials = 20 #bytes 0, mean 0.005625, stdev 0.002020, min 0.000781, max 0.011523 #bytes 512, mean 0.006387, stdev 0.001193, min 0.001953, max 0.007617 #bytes 1024, mean 0.008545, stdev 0.000213, min 0.008203, max 0.008984 #bytes 1536, mean 0.009580, stdev 0.000464, min 0.007812, max 0.010156 #bytes 2048, mean 0.009971, stdev 0.002832, min 0.001758, max 0.013086 #bytes 2560, mean 0.012637, stdev 0.000240, min 0.012305, max 0.013281 #bytes 3072, mean 0.013809, stdev 0.000277, min 0.012891, max 0.014258 #bytes 3584, mean 0.014482, stdev 0.002839, min 0.002344, max 0.017188 #bytes 4096, mean 0.016055, stdev 0.000132, min 0.015820, max 0.016211 Running alltoall... running /home/nevin/appbin.alpha/time_alltoall.mpich on 8 alpha ch_p4 processors Created /home/nevin/appbin.alpha/PI3005 start = 0, end = 4096, inc = 512, iterations = 20, trials = 20 #bytes 0, mean 0.016650, stdev 0.000365, min 0.016016, max 0.017773 #bytes 512, mean 0.018623, stdev 0.001084, min 0.017969, max 0.022070 #bytes 1024, mean 0.020332, stdev 0.001172, min 0.019336, max 0.024023 #bytes 1536, mean 0.023955, stdev 0.011617, min 0.020508, max 0.074414 #bytes 2048, mean 0.024492, stdev 0.004887, min 0.022461, max 0.045117 #bytes 2560, mean 0.025410, stdev 0.000951, min 0.024609, max 0.029102 #bytes 3072, mean 0.028242, stdev 0.000499, min 0.027344, max 0.029297 #bytes 3584, mean 0.030547, stdev 0.002791, min 0.028711, max 0.041992 #bytes 4096, mean 0.032949, stdev 0.000847, min 0.031445, max 0.034570