MyCounter2, increment only threads, nsec/threads 1, 13729968 2, 7261834 3, 5434732 4, 4318313 5, 4140038 6, 3726409 7, 3768770 8, 2951970 9, 3763270 10, 3905992 11, 3604451 12, 3388334 13, 3216133 14, 3211915 15, 3860102 16, 2869647 17, 3369369 18, 3370284 19, 3163214 20, 3177994 32, 2785032 64, 2843241 128, 2857867 256, 2790332 512, 2814730 1024, 2762417 MyCounter3, increment only threads, nsec/threads 1, 16261466 2, 8738626 3, 6406634 4, 5594803 5, 5255398 6, 4816335 7, 4394724 8, 3925883 9, 5153978 10, 5213422 11, 4825709 12, 4725189 13, 4419372 14, 4198601 15, 4151328 16, 4020005 17, 4407983 18, 4525680 19, 4545060 20, 4329318 32, 4069839 64, 3937143 128, 3893415 256, 3756578 512, 3784356 1024, 3763354 CliffcCounter, increment only threads, nsec/threads 1, 14024888 2, 27397659 3, 12790441 4, 16057840 5, 7808635 6, 7541515 7, 9309980 8, 7691233 9, 6105686 10, 4924772 11, 5582377 12, 4100466 13, 5606143 14, 4721869 15, 4321257 16, 5820224 17, 5288970 18, 5264548 19, 4558745 20, 5191320 32, 3990944 64, 3885700 128, 3517712 256, 3350053 512, 3186433 1024, 3166725 MyCounter2, increment & get threads, nsec/threads 1, 21118736 2, 35913953 3, 33960244 4, 30050003 5, 26078310 6, 25645819 7, 23715351 8, 20284218 9, 23542167 10, 23968647 11, 23098863 12, 21047522 13, 22665715 14, 22449975 15, 22352241 16, 21473514 17, 24813354 18, 25577011 19, 24947793 20, 26104867 32, 23972618 64, 27788549 128, 31869321 MyCounter3, increment & get threads, nsec/threads 1, 27507939 2, 37303861 3, 32168114 4, 30666574 5, 25139874 6, 25282410 7, 22898766 8, 19561053 9, 21882528 10, 23003766 11, 22887904 12, 21690985 13, 21130707 14, 21025270 15, 20352868 16, 21472625 17, 21993741 18, 21505261 19, 20955381 20, 21867729 32, 20972913 64, 20680069 128, 20412777 CliffcCounter, increment & get threads, nsec/threads 1, 39662404 2, 85149806 3, 78359827 4, 64848117 5, 61916327 6, 56978910 7, 66064824 8, 48890510 9, 56955070 10, 78813900 11, 66751531 12, 60030814 13, 63931298 14, 61867995 15, 64934245 16, 73774547 17, 69681418 18, 67878309 19, 68410399 20, 85052061 32, 80309601 64, 109861906 128, 180009237 AtomicLong, incrementAndGet threads, nsec/threads 1, 13425858 2, 48028252 3, 83039501 4, 94188099 5, 109276200 6, 126956375 7, 137649805 8, 147075599 9, 147641417 10, 145526886 11, 150721905 12, 152609127 13, 153521704 14, 154564286 15, 156490983 16, 153240070 17, 153162554 18, 151669917 19, 154357329 20, 151875121 32, 151991338 64, 155451856 128, 155975693