All times in seconds, the smaller the better (size does matter :) Processor 2 x R10K PII Celeron 2 x AMD Opteron 275 Test (194MHz) (350MHz) (400 MHz) (>2 GHz) 1) Nested FOR loops 1338 501 423 12.6674 2) Generate random matrix 429 521 392 48.5366 3) Small FFT 295 386 517 21.9543 4) Large FFT 590 462 333 19.9882 5) Small A+A 62 70 50 5.4270 6) Large A+A 716~ 786 548 62.4318 7) Small A*A 472~ 3247 2506 39.3962 8) Large A*A 770 12091 8994 116.6737 9) Small A*A (complex) 1160 8548 6508 152.3976 10) Large A*A (complex) 3067 3376 24440 458.9502 11) log(A) 633 705 668 54.5466 12) gamma(A) 2771 7261 3452 25.1006 13) Vector sort 1157 631 535 10.4646 14) Matrix sort 4561 3931 3062 85.8523 15) inv(A) (small) 801 824 690 21.9897 16) inv(A) (large) 4800 4407 3195 88.7169 17) lu(A) (small) 369 390 272 8.9002 18) lu(A) (large) 2014 1921 1214 33.938 19) eig(A) (small) 858 1601 1252 33.7583 20) eig(A) (large) 2974 3040 2233 56.7017 21) eig(A) (small) (with vectors) 2349 3014 2158 87.6994 22) eig(A) (large) (with vectors) 5472 5111 3902 146.2070 23) Generate sparse matrix 532 611 466 40.2408 24) Sparse lu 1042 1237 827 69.4787 25) eigs(A) 90 74 61 3.8534 ----- ----- ----- --------- TOTAL 39322 64746 68698 1705.87 Processor 2 x R10K PII Celeron 2 x AMD Opteron 275 (194MHz) (350 MHz) (400 MHz) (>2 GHz) ================================== ~) Performed on a separate run