Result of a dual dual core 970MP with 8G CL2.5 ram. ------------------------------------------------------------- STREAM Memory Benchmark ------------------------------------------------------------- The Test will run some minutes please be patient. Total memory required = 160.0 MB. Each test is run 3 times, but only the *best* time for each is used. ------------------------------------------------------------- Memory throughput Working on Arrays of 80 MB. ------------------------------------------------------------- Read test (summing up the array). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time read 8 588.3687 0.1360 0.1360 0.1360 read 32 2445.9614 0.0327 0.0327 0.0327 read 64 2434.0557 0.0329 0.0329 0.0329 read 32x2 2702.4284 0.0296 0.0296 0.0296 read 32 CP3 2440.0739 0.0328 0.0328 0.0328 read 32 CP4 2302.8229 0.0353 0.0347 0.0358 read 32 CP5 2438.8147 0.0331 0.0328 0.0333 read 32 CP6 2299.5088 0.0351 0.0348 0.0355 read 32x4 CP3 2924.9492 0.0274 0.0274 0.0274 read 32x4 CP4 2907.1844 0.0275 0.0275 0.0275 read 32x4 CP5 2914.4821 0.0275 0.0274 0.0276 read 32x4 CP6 2904.7684 0.0275 0.0275 0.0275 ------------------------------------------------------------- Write test (setting array A). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time write 8 790.6620 0.1015 0.1012 0.1018 write 32 1735.5860 0.0461 0.0461 0.0461 write 64 1848.2606 0.0433 0.0433 0.0434 write 32x2 1736.1877 0.0461 0.0461 0.0461 ------------------------------------------------------------- Compare test (comparing the source and destination arrays). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time cmp 8 1066.6389 0.1500 0.1500 0.1501 cmp 32 2976.9666 0.0538 0.0537 0.0539 cmp 64 3269.8388 0.0490 0.0489 0.0490 cmp 32x2 3255.1520 0.0492 0.0492 0.0493 cmp 32 CP2 2945.0246 0.0543 0.0543 0.0543 cmp 32 CP3 2942.1582 0.0544 0.0544 0.0544 cmp 32 CP4 2943.2809 0.0544 0.0544 0.0544 cmp 32 CP5 2943.4487 0.0544 0.0544 0.0544 cmp 32 CP6 2942.8549 0.0544 0.0544 0.0544 cmp 32x4 CP2 3003.2250 0.0533 0.0533 0.0533 cmp 32x4 CP3 3003.5610 0.0533 0.0533 0.0533 cmp 32x4 CP4 3003.5745 0.0533 0.0533 0.0533 cmp 32x4 CP5 3003.3325 0.0533 0.0533 0.0533 cmp 32x4 CP6 3002.1502 0.0533 0.0533 0.0533 ------------------------------------------------------------- Copy test (copying array A -> B). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time copy 8 1494.4631 0.1071 0.1071 0.1071 copy 32 2853.5835 0.0561 0.0561 0.0561 copy 64 2979.6762 0.0537 0.0537 0.0537 copy 32x2 2842.3795 0.0563 0.0563 0.0563 copy 32 CP2 2837.6801 0.0564 0.0564 0.0564 copy 32 CP3 2852.3100 0.0561 0.0561 0.0562 copy 32 CP4 2849.7543 0.0562 0.0561 0.0562 copy 32 CP5 2815.3706 0.0569 0.0568 0.0569 copy 32x4 CP2 2840.9596 0.0563 0.0563 0.0563 copy 32x4 CP3 2871.3482 0.0557 0.0557 0.0557 copy 32x4 CP4 2809.2305 0.0570 0.0570 0.0570 copy 32x4 CP5 2829.8066 0.0566 0.0565 0.0566 copy 64x4 CP4 3051.8595 0.0525 0.0524 0.0525 glibcb memcpy 2817.7940 0.0568 0.0568 0.0568 bmove512 2847.4327 0.0562 0.0562 0.0562 FC64 3063.3106 0.0522 0.0522 0.0522 memcpy 750 1998.6260 0.0801 0.0801 0.0801 ------------------------------------------------------------- 2nd level cache throughput Working on Arrays of 80 KB. ------------------------------------------------------------- Read test (summing up the array). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time read 8 623.9910 0.1283 0.1282 0.1283 read 32 3327.5253 0.0240 0.0240 0.0240 read 64 3327.5253 0.0240 0.0240 0.0240 read 32x2 4911.8663 0.0163 0.0163 0.0163 read 32 CP3 3326.0080 0.0241 0.0241 0.0241 read 32 CP4 3325.7113 0.0241 0.0241 0.0241 read 32 CP5 3326.0080 0.0241 0.0241 0.0241 read 32 CP6 3325.8432 0.0241 0.0241 0.0241 read 32x4 CP3 11104.8557 0.0072 0.0072 0.0072 read 32x4 CP4 11191.8989 0.0072 0.0071 0.0072 read 32x4 CP5 11216.9660 0.0071 0.0071 0.0072 read 32x4 CP6 11159.1446 0.0072 0.0072 0.0072 ------------------------------------------------------------- Write test (setting array A). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time write 8 832.1021 0.0962 0.0961 0.0962 write 32 3327.9213 0.0240 0.0240 0.0240 write 64 6653.9288 0.0120 0.0120 0.0120 write 32x2 4862.6088 0.0165 0.0165 0.0165 ------------------------------------------------------------- Compare test (comparing the source and destination arrays). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time cmp 8 1204.2843 0.1332 0.1329 0.1335 cmp 32 4972.3529 0.0322 0.0322 0.0322 cmp 64 6651.1590 0.0241 0.0241 0.0241 cmp 32x2 7491.3335 0.0214 0.0214 0.0214 cmp 32 CP2 4866.7699 0.0329 0.0329 0.0329 cmp 32 CP3 4860.8830 0.0329 0.0329 0.0330 cmp 32 CP4 4832.3562 0.0331 0.0331 0.0331 cmp 32 CP5 4853.9216 0.0330 0.0330 0.0330 cmp 32 CP6 4866.6288 0.0329 0.0329 0.0329 cmp 32x4 CP2 4989.2099 0.0321 0.0321 0.0321 cmp 32x4 CP3 4989.2470 0.0321 0.0321 0.0321 cmp 32x4 CP4 4989.3953 0.0321 0.0321 0.0321 cmp 32x4 CP5 4989.3953 0.0321 0.0321 0.0321 cmp 32x4 CP6 4989.0986 0.0321 0.0321 0.0321 ------------------------------------------------------------- Copy test (copying array A -> B). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time copy 8 1664.0308 0.0962 0.0962 0.0962 copy 32 6655.0505 0.0240 0.0240 0.0240 copy 64 9959.6124 0.0161 0.0161 0.0161 copy 32x2 9561.4379 0.0167 0.0167 0.0167 copy 32 CP2 6627.9705 0.0241 0.0241 0.0241 copy 32 CP3 6626.3998 0.0241 0.0241 0.0241 copy 32 CP4 6625.8110 0.0241 0.0241 0.0242 copy 32 CP5 6626.9233 0.0241 0.0241 0.0241 copy 32x4 CP2 9585.4743 0.0167 0.0167 0.0167 copy 32x4 CP3 9545.3899 0.0168 0.0168 0.0168 copy 32x4 CP4 9654.2847 0.0166 0.0166 0.0166 copy 32x4 CP5 9561.3016 0.0167 0.0167 0.0167 copy 64x4 CP4 17983.4563 0.0089 0.0089 0.0089 glibcb memcpy 9634.4647 0.0166 0.0166 0.0166 bmove512 9539.6910 0.0168 0.0168 0.0168 FC64 17912.8934 0.0089 0.0089 0.0089 memcpy 750 5027.5214 0.0318 0.0318 0.0318 ------------------------------------------------------------- 1st level cache throughput Working on Arrays of 800 B. ------------------------------------------------------------- Read test (summing up the array). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time read 8 619.2763 0.1292 0.1292 0.1292 read 32 3252.5646 0.0246 0.0246 0.0246 read 64 3312.0553 0.0242 0.0242 0.0242 read 32x2 4697.9211 0.0170 0.0170 0.0170 read 32 CP3 3108.3597 0.0257 0.0257 0.0257 read 32 CP4 3108.3597 0.0257 0.0257 0.0257 read 32 CP5 3108.3885 0.0257 0.0257 0.0257 read 32 CP6 3108.2445 0.0257 0.0257 0.0257 read 32x4 CP3 11402.6003 0.0070 0.0070 0.0070 read 32x4 CP4 11412.2958 0.0070 0.0070 0.0070 read 32x4 CP5 11410.3554 0.0070 0.0070 0.0070 read 32x4 CP6 11407.2521 0.0070 0.0070 0.0071 ------------------------------------------------------------- Write test (setting array A). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time write 8 826.6613 0.0968 0.0968 0.0968 write 32 3247.5278 0.0246 0.0246 0.0246 write 64 6320.1733 0.0127 0.0127 0.0127 write 32x2 4801.5844 0.0167 0.0167 0.0167 ------------------------------------------------------------- Compare test (comparing the source and destination arrays). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time cmp 8 1237.0982 0.1293 0.1293 0.1293 cmp 32 4839.5350 0.0331 0.0331 0.0331 cmp 64 6552.3202 0.0244 0.0244 0.0244 cmp 32x2 7672.7412 0.0209 0.0209 0.0209 cmp 32 CP2 4870.1959 0.0329 0.0329 0.0329 cmp 32 CP3 4871.2211 0.0329 0.0328 0.0329 cmp 32 CP4 4869.5951 0.0329 0.0329 0.0329 cmp 32 CP5 4870.3372 0.0329 0.0329 0.0329 cmp 32 CP6 4868.1115 0.0329 0.0329 0.0329 cmp 32x4 CP2 4948.8123 0.0323 0.0323 0.0323 cmp 32x4 CP3 4950.0169 0.0323 0.0323 0.0323 cmp 32x4 CP4 4947.9001 0.0323 0.0323 0.0323 cmp 32x4 CP5 4951.2586 0.0323 0.0323 0.0323 cmp 32x4 CP6 4950.0534 0.0323 0.0323 0.0323 ------------------------------------------------------------- Copy test (copying array A -> B). ------------------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time copy 8 1654.6679 0.0967 0.0967 0.0967 copy 32 6505.9490 0.0246 0.0246 0.0246 copy 64 9398.6057 0.0170 0.0170 0.0170 copy 32x2 9601.5200 0.0167 0.0167 0.0167 copy 32 CP2 6380.8072 0.0251 0.0251 0.0251 copy 32 CP3 6380.8679 0.0251 0.0251 0.0251 copy 32 CP4 6380.5646 0.0251 0.0251 0.0251 copy 32 CP5 6380.8679 0.0251 0.0251 0.0251 copy 32x4 CP2 9602.7565 0.0167 0.0167 0.0167 copy 32x4 CP3 9601.6574 0.0167 0.0167 0.0167 copy 32x4 CP4 9603.3062 0.0167 0.0167 0.0167 copy 32x4 CP5 9602.6191 0.0167 0.0167 0.0167 copy 64x4 CP4 18494.9329 0.0087 0.0087 0.0087 glibcb memcpy 9152.7481 0.0175 0.0175 0.0175 bmove512 7507.8440 0.0213 0.0213 0.0213 FC64 19777.4561 0.0081 0.0081 0.0081 memcpy 750 5507.0009 0.0291 0.0291 0.0291 -------------------------------------------------------------