CPU: AMD Athlon(tm) Dual Core Processor 4850e (2500.29-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ | + *| |x + *| |x + *| |x + *| |xx + *| |A A A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 6.707432 6.720683 6.715775 6.7145814 0.00497521 + 5 7.428795 7.435211 7.432011 7.4318468 0.0024298134 Difference at 95.0% confidence 0.717265 +/- 0.00571001 10.6822% +/- 0.085039% (Student's t, pooled s = 0.00391514) * 5 8.718491 8.724764 8.719744 8.7202888 0.0025884611 Difference at 95.0% confidence 2.00571 +/- 0.00578368 29.8709% +/- 0.0861361% (Student's t, pooled s = 0.00396566) CPU: Intel(R) Core(TM)2 Quad CPU Q9650 @ 3.00GHz (3000.01-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ | * | | x * + | |xx * ++| |xx ** ++| ||A A MA| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 4.642804 4.662247 4.650652 4.6518048 0.007495968 + 5 5.794062 5.810656 5.802148 5.8033994 0.0065537635 Difference at 95.0% confidence 1.15159 +/- 0.0102684 24.7559% +/- 0.22074% (Student's t, pooled s = 0.00704064) * 5 5.29297 5.303234 5.296104 5.296779 0.0042151083 Difference at 95.0% confidence 0.644974 +/- 0.00886876 13.865% +/- 0.190652% (Student's t, pooled s = 0.00608098) CPU: Intel(R) Xeon(R) CPU L5420 @ 2.50GHz (2493.81-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ |x * +| |x ** +| |xx ** ++| |A| |A |A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 7.050712 7.07746 7.05831 7.060163 0.010261168 + 5 8.801968 8.816004 8.809906 8.8099744 0.0054822483 Difference at 95.0% confidence 1.74981 +/- 0.0119977 24.7843% +/- 0.169935% (Student's t, pooled s = 0.00822638) * 5 8.029902 8.063002 8.047787 8.0480848 0.014383663 Difference at 95.0% confidence 0.987922 +/- 0.0182212 13.9929% +/- 0.258085% (Student's t, pooled s = 0.0124936) CPU: Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz (2000.04-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ | * * + | |xx xx x ** * + ++ +| ||__A__| |MA_| |__A__| | +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 7.475233 7.668632 7.551365 7.5526874 0.076715626 + 5 9.228894 9.431722 9.304586 9.306538 0.083324382 Difference at 95.0% confidence 1.75385 +/- 0.116804 23.2215% +/- 1.54652% (Student's t, pooled s = 0.0800882) * 5 8.709367 8.815016 8.748652 8.7659972 0.046847793 Difference at 95.0% confidence 1.21331 +/- 0.0927001 16.0646% +/- 1.22738% (Student's t, pooled s = 0.063561) CPU: Intel(R) Core(TM) i5-3570 CPU @ 3.40GHz (3403.42-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ |x * +| |x * +| |x * +| |x * +| |x * +| |A A A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 3.136516 3.13691 3.136779 3.1367528 0.00015559788 + 5 3.688956 3.689191 3.689092 3.689091 8.7137812e-05 Difference at 95.0% confidence 0.552338 +/- 0.000183913 17.6086% +/- 0.00586317% (Student's t, pooled s = 0.000126103) * 5 3.411905 3.41265 3.412233 3.4122808 0.00028887143 Difference at 95.0% confidence 0.275528 +/- 0.000338373 8.78386% +/- 0.0107874% (Student's t, pooled s = 0.00023201) CPU: Intel(R) Core(TM) i5-3570 CPU @ 1.60GHz (3403.42-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ | * | |x * +| |x * +| |x * +| |x * ++| |A A A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 7.458768 7.460245 7.458893 7.4592972 0.00064928975 + 5 8.76266 8.771177 8.77093 8.7692762 0.0037041403 Difference at 95.0% confidence 1.30998 +/- 0.00387823 17.5617% +/- 0.0519919% (Student's t, pooled s = 0.00265916) * 5 8.105619 8.113225 8.113062 8.1115604 0.0033245525 Difference at 95.0% confidence 0.652263 +/- 0.0034933 8.7443% +/- 0.0468315% (Student's t, pooled s = 0.00239523) CPU: Intel(R) Xeon(R) CPU E5-2650 v2 @ 2.60GHz (2600.05-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ | * | |x * +| |x * +| |x * +| |x * ++| |A A |A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 4.619596 4.622751 4.620683 4.6210876 0.0014751633 + 5 5.396062 5.406154 5.405408 5.4036684 0.0042662895 Difference at 95.0% confidence 0.782581 +/- 0.0046553 16.935% +/- 0.10074% (Student's t, pooled s = 0.00319197) * 5 4.999004 5.000317 4.999903 4.9998034 0.00048422443 Difference at 95.0% confidence 0.378716 +/- 0.00160116 8.19538% +/- 0.034649% (Student's t, pooled s = 0.00109786) CPU: Intel(R) Xeon(R) CPU E5-2630 v3 @ 2.40GHz (2400.05-MHz K8-class CPU) x libmd.times + kern.times * kern_unroll.times +------------------------------------------------------------------------------+ |x * +| |x * +| |x * +| |x * +| |x * +| |A A A| +------------------------------------------------------------------------------+ N Min Max Median Avg Stddev x 5 4.424685 4.425109 4.424758 4.4248678 0.00021809103 + 5 4.89688 4.897897 4.89738 4.897321 0.00042783583 Difference at 95.0% confidence 0.472453 +/- 0.000495234 10.6772% +/- 0.0111921% (Student's t, pooled s = 0.000339564) * 5 4.674983 4.676178 4.675598 4.6755834 0.00050191115 Difference at 95.0% confidence 0.250716 +/- 0.000564361 5.66606% +/- 0.0127543% (Student's t, pooled s = 0.000386962)