Linux version 2.6.32-rc4-00027-gceb8d11 (root@JTCHITW00139) (gcc version 4.3.4 (Debian 4.3.4-5) ) #7 SMP Tue Oct 13 13:55:52 CDT 2009
SLUB: Genslabs=14, HWalign=64, Order=0-3, MinObjects=0, CPUs=16, Nodes=2
Single thread testing
=====================
1. Kmalloc: Repeatedly allocate then free test
10000 times kmalloc(8) -> 239 cycles kfree -> 261 cycles
10000 times kmalloc(16) -> 249 cycles kfree -> 208 cycles
10000 times kmalloc(32) -> 215 cycles kfree -> 232 cycles
10000 times kmalloc(64) -> 164 cycles kfree -> 216 cycles
10000 times kmalloc(128) -> 266 cycles kfree -> 275 cycles
10000 times kmalloc(256) -> 478 cycles kfree -> 199 cycles
10000 times kmalloc(512) -> 449 cycles kfree -> 201 cycles
10000 times kmalloc(1024) -> 484 cycles kfree -> 398 cycles
10000 times kmalloc(2048) -> 475 cycles kfree -> 559 cycles
10000 times kmalloc(4096) -> 792 cycles kfree -> 506 cycles
10000 times kmalloc(8192) -> 753 cycles kfree -> 679 cycles
10000 times kmalloc(16384) -> 968 cycles kfree -> 712 cycles
2. Kmalloc: alloc/free test
10000 times kmalloc(8)/kfree -> 292 cycles
10000 times kmalloc(16)/kfree -> 308 cycles
10000 times kmalloc(32)/kfree -> 326 cycles
10000 times kmalloc(64)/kfree -> 303 cycles
10000 times kmalloc(128)/kfree -> 257 cycles
10000 times kmalloc(256)/kfree -> 262 cycles
10000 times kmalloc(512)/kfree -> 293 cycles
10000 times kmalloc(1024)/kfree -> 262 cycles
10000 times kmalloc(2048)/kfree -> 289 cycles
10000 times kmalloc(4096)/kfree -> 274 cycles
10000 times kmalloc(8192)/kfree -> 265 cycles
10000 times kmalloc(16384)/kfree -> 1041 cycles
Concurrent allocs
=================
Kmalloc N*alloc N*free(8): 0=172/168 1=173/176 2=173/169 3=170/165 4=167/166 5=172/168 6=173/167 7=170/172 8=172/166 9=171/171 10=171/171 11=169/166 12=169/167 13=172/168 14=171/169 15=171/166 Average=171/168
Kmalloc N*alloc N*free(16): 0=185/175 1=181/176 2=187/174 3=183/171 4=186/177 5=183/171 6=187/174 7=181/173 8=184/175 9=181/174 10=184/173 11=181/175 12=185/178 13=182/175 14=184/173 15=180/170 Average=183/174
Kmalloc N*alloc N*free(32): 0=201/185 1=205/189 2=200/183 3=202/178 4=198/180 5=202/177 6=201/183 7=201/181 8=201/185 9=200/185 10=199/182 11=200/177 12=199/183 13=204/177 14=199/184 15=203/178 Average=201/182
Kmalloc N*alloc N*free(64): 0=239/216 1=234/196 2=243/214 3=244/197 4=241/216 5=241/204 6=240/213 7=235/198 8=241/217 9=237/192 10=240/213 11=243/198 12=243/219 13=242/205 14=243/215 15=236/195 Average=240/207
Kmalloc N*alloc N*free(128): 0=405/342 1=346/303 2=402/346 3=346/303 4=403/353 5=344/306 6=401/340 7=346/314 8=403/348 9=344/306 10=398/342 11=344/309 12=407/337 13=347/312 14=402/349 15=344/302 Average=374/326
Kmalloc N*alloc N*free(256): 0=607/594 1=444/455 2=490/588 3=440/461 4=494/577 5=447/454 6=497/585 7=444/446 8=599/587 9=444/454 10=491/585 11=444/454 12=490/584 13=443/446 14=494/586 15=445/457 Average=482/520
Kmalloc N*alloc N*free(512): 0=419/683 1=419/428 2=419/561 3=420/435 4=422/566 5=433/448 6=423/566 7=432/445 8=424/670 9=430/448 10=426/565 11=428/451 12=429/574 13=438/472 14=430/576 15=440/468 Average=427/522
Kmalloc N*alloc N*free(1024): 0=399/377 1=381/373 2=399/373 3=383/374 4=399/377 5=381/378 6=399/377 7=382/372 8=397/376 9=382/376 10=398/375 11=384/374 12=400/375 13=379/375 14=400/374 15=384/374 Average=390/375
Kmalloc N*alloc N*free(2048): 0=713/446 1=514/444 2=600/446 3=512/445 4=599/449 5=512/440 6=605/446 7=510/441 8=704/446 9=511/441 10=601/443 11=512/442 12=598/449 13=512/441 14=605/445 15=511/440 Average=570/444
Kmalloc N*alloc N*free(4096): 0=972/1487 1=810/753 2=942/1308 3=808/758 4=944/1306 5=806/762 6=940/1309 7=807/753 8=968/1469 9=811/756 10=939/1305 11=807/757 12=943/1305 13=807/758 14=942/1307 15=812/758 Average=879/1053
Kmalloc N*(alloc free)(8): 0=252 1=251 2=254 3=252 4=251 5=251 6=252 7=252 8=252 9=251 10=254 11=252 12=251 13=251 14=252 15=252 Average=252
Kmalloc N*(alloc free)(16): 0=251 1=251 2=250 3=251 4=252 5=251 6=252 7=249 8=250 9=251 10=250 11=251 12=252 13=252 14=252 15=250 Average=251
Kmalloc N*(alloc free)(32): 0=252 1=254 2=250 3=255 4=251 5=254 6=250 7=251 8=251 9=251 10=250 11=254 12=251 13=253 14=250 15=254 Average=252
Kmalloc N*(alloc free)(64): 0=252 1=261 2=253 3=263 4=253 5=264 6=253 7=263 8=253 9=261 10=254 11=262 12=252 13=263 14=252 15=262 Average=258
Kmalloc N*(alloc free)(128): 0=252 1=261 2=250 3=250 4=253 5=265 6=252 7=263 8=252 9=261 10=250 11=250 12=253 13=264 14=251 15=263 Average=256
Kmalloc N*(alloc free)(256): 0=251 1=249 2=251 3=251 4=248 5=249 6=248 7=249 8=250 9=248 10=248 11=263 12=248 13=249 14=247 15=250 Average=250
Kmalloc N*(alloc free)(512): 0=250 1=251 2=245 3=250 4=250 5=252 6=250 7=250 8=249 9=250 10=245 11=250 12=250 13=253 14=250 15=251 Average=250
Kmalloc N*(alloc free)(1024): 0=254 1=250 2=250 3=247 4=251 5=248 6=252 7=248 8=253 9=251 10=250 11=247 12=250 13=249 14=250 15=248 Average=250
Kmalloc N*(alloc free)(2048): 0=250 1=256 2=250 3=254 4=272 5=253 6=253 7=251 8=249 9=254 10=250 11=267 12=272 13=252 14=254 15=254 Average=256
Kmalloc N*(alloc free)(4096): 0=248 1=250 2=250 3=250 4=248 5=250 6=250 7=263 8=247 9=249 10=250 11=248 12=248 13=250 14=250 15=259 Average=251
Remote free test
================
N*remote free(8): 0=5/3647 1=174/0 2=172/0 3=171/0 4=177/0 5=176/0 6=175/0 7=176/0 8=112/0 9=175/0 10=175/0 11=175/0 12=176/0 13=175/0 14=176/0 15=175/0 Average=160/228
N*remote free(16): 0=5/2805 1=188/0 2=188/0 3=187/0 4=189/0 5=187/0 6=189/0 7=186/0 8=121/0 9=186/0 10=188/0 11=186/0 12=187/0 13=187/0 14=187/0 15=187/0 Average=172/175
N*remote free(32): 0=4/3106 1=203/0 2=206/0 3=203/0 4=201/0 5=203/0 6=200/0 7=204/0 8=140/0 9=203/0 10=205/0 11=205/0 12=205/0 13=206/0 14=204/0 15=206/0 Average=187/194
N*remote free(64): 0=4/3595 1=262/0 2=264/0 3=259/0 4=263/0 5=259/0 6=260/0 7=258/0 8=190/0 9=255/0 10=261/0 11=259/0 12=259/0 13=254/0 14=255/0 15=257/0 Average=239/224
N*remote free(128): 0=4/5423 1=368/0 2=390/0 3=361/0 4=400/0 5=376/0 6=390/0 7=362/0 8=315/0 9=369/0 10=394/0 11=364/0 12=399/0 13=373/0 14=394/0 15=364/0 Average=351/339
N*remote free(256): 0=3/9422 1=435/0 2=459/0 3=426/0 4=453/0 5=431/0 6=455/0 7=429/0 8=374/0 9=434/0 10=459/0 11=425/0 12=459/0 13=436/0 14=458/0 15=434/0 Average=411/588
N*remote free(512): 0=4/8615 1=427/0 2=418/0 3=431/0 4=425/0 5=438/0 6=424/0 7=438/0 8=382/0 9=432/0 10=428/0 11=434/0 12=429/0 13=442/0 14=427/0 15=444/0 Average=401/538
N*remote free(1024): 0=4/9794 1=411/0 2=399/0 3=409/0 4=401/0 5=404/0 6=398/0 7=411/0 8=351/0 9=410/0 10=400/0 11=409/0 12=401/0 13=407/0 14=402/0 15=409/0 Average=377/612
N*remote free(2048): 0=4/10466 1=532/0 2=606/0 3=532/0 4=606/0 5=536/0 6=602/0 7=536/0 8=532/0 9=533/0 10=605/0 11=532/0 12=604/0 13=534/0 14=602/0 15=535/0 Average=527/654
N*remote free(4096): 0=4/12602 1=839/0 2=931/0 3=832/0 4=926/0 5=834/0 6=932/0 7=834/0 8=827/0 9=841/0 10=933/0 11=835/0 12=929/0 13=834/0 14=937/0 15=839/0 Average=819/787
1 alloc N free test
===================
1 alloc N free(8): 0=3596 1=940 2=942 3=955 4=934 5=966 6=934 7=969 8=953 9=964 10=934 11=947 12=937 13=966 14=941 15=969 Average=1115
1 alloc N free(16): 0=4365 1=1078 2=1065 3=1068 4=1061 5=1068 6=1059 7=1064 8=1082 9=1082 10=1067 11=1073 12=1064 13=1067 14=1058 15=1063 Average=1274
1 alloc N free(32): 0=4193 1=1001 2=1004 3=1010 4=1005 5=1006 6=1007 7=1010 8=1009 9=1002 10=1001 11=1006 12=1008 13=1001 14=1006 15=1010 Average=1205
1 alloc N free(64): 0=4961 1=1209 2=1209 3=1208 4=1205 5=1209 6=1206 7=1207 8=1208 9=1206 10=1207 11=1206 12=1205 13=1206 14=1207 15=1208 Average=1442
1 alloc N free(128): 0=7100 1=1413 2=1413 3=1412 4=1416 5=1414 6=1412 7=1412 8=1413 9=1413 10=1412 11=1414 12=1412 13=1414 14=1413 15=1412 Average=1768
1 alloc N free(256): 0=9157 1=1321 2=1318 3=1318 4=1319 5=1321 6=1320 7=1319 8=1321 9=1320 10=1319 11=1317 12=1319 13=1320 14=1320 15=1319 Average=1809
1 alloc N free(512): 0=9415 1=826 2=824 3=823 4=824 5=823 6=824 7=829 8=828 9=826 10=827 11=826 12=826 13=825 14=825 15=824 Average=1362
1 alloc N free(1024): 0=8331 1=847 2=849 3=847 4=848 5=847 6=848 7=847 8=847 9=848 10=848 11=846 12=847 13=847 14=846 15=846 Average=1315
1 alloc N free(2048): 0=9732 1=858 2=858 3=859 4=858 5=859 6=858 7=858 8=857 9=858 10=858 11=857 12=858 13=858 14=857 15=857 Average=1413
1 alloc N free(4096): 0=12370 1=944 2=944 3=944 4=944 5=944 6=944 7=941 8=943 9=943 10=944 11=942 12=943 13=943 14=943 15=944 Average=1658