Linux version 2.6.32-rc4-00027-gceb8d11-dirty (root@JTCHITW00139) (gcc version 4.3.4 (Debian 4.3.4-5) ) #6 SMP Tue Oct 13 13:44:47 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) -> 134 cycles kfree -> 212 cycles
10000 times kmalloc(16) -> 109 cycles kfree -> 116 cycles
10000 times kmalloc(32) -> 157 cycles kfree -> 231 cycles
10000 times kmalloc(64) -> 168 cycles kfree -> 169 cycles
10000 times kmalloc(128) -> 263 cycles kfree -> 260 cycles
10000 times kmalloc(256) -> 430 cycles kfree -> 251 cycles
10000 times kmalloc(512) -> 415 cycles kfree -> 258 cycles
10000 times kmalloc(1024) -> 406 cycles kfree -> 432 cycles
10000 times kmalloc(2048) -> 457 cycles kfree -> 579 cycles
10000 times kmalloc(4096) -> 624 cycles kfree -> 553 cycles
10000 times kmalloc(8192) -> 851 cycles kfree -> 851 cycles
10000 times kmalloc(16384) -> 907 cycles kfree -> 722 cycles
2. Kmalloc: alloc/free test
10000 times kmalloc(8)/kfree -> 232 cycles
10000 times kmalloc(16)/kfree -> 150 cycles
10000 times kmalloc(32)/kfree -> 278 cycles
10000 times kmalloc(64)/kfree -> 263 cycles
10000 times kmalloc(128)/kfree -> 280 cycles
10000 times kmalloc(256)/kfree -> 279 cycles
10000 times kmalloc(512)/kfree -> 299 cycles
10000 times kmalloc(1024)/kfree -> 289 cycles
10000 times kmalloc(2048)/kfree -> 288 cycles
10000 times kmalloc(4096)/kfree -> 321 cycles
10000 times kmalloc(8192)/kfree -> 285 cycles
10000 times kmalloc(16384)/kfree -> 1002 cycles
Concurrent allocs
=================
Kmalloc N*alloc N*free(8): 0=174/191 1=172/180 2=173/191 3=176/179 4=172/190 5=172/182 6=172/190 7=173/182 8=172/191 9=173/191 10=172/191 11=173/191 12=175/190 13=173/183 14=173/191 15=175/183 Average=173/187
Kmalloc N*alloc N*free(16): 0=181/190 1=184/194 2=183/189 3=186/189 4=185/189 5=185/190 6=184/190 7=187/188 8=179/189 9=184/190 10=182/189 11=182/192 12=184/190 13=181/188 14=183/189 15=184/190 Average=183/190
Kmalloc N*alloc N*free(32): 0=195/345 1=179/242 2=201/270 3=181/239 4=201/270 5=183/241 6=199/270 7=182/240 8=196/283 9=185/237 10=198/270 11=180/238 12=201/271 13=181/240 14=200/272 15=181/239 Average=190/260
Kmalloc N*alloc N*free(64): 0=217/450 1=216/362 2=219/453 3=213/355 4=220/449 5=210/361 6=224/448 7=213/359 8=222/452 9=216/358 10=220/454 11=211/357 12=220/450 13=213/362 14=225/451 15=216/360 Average=217/405
Kmalloc N*alloc N*free(128): 0=421/688 1=348/440 2=423/593 3=356/421 4=419/587 5=355/438 6=418/590 7=345/431 8=418/675 9=353/424 10=421/587 11=355/440 12=419/589 13=356/446 14=421/577 15=356/437 Average=386/523
Kmalloc N*alloc N*free(256): 0=478/880 1=464/675 2=476/847 3=471/673 4=473/845 5=463/679 6=473/841 7=466/676 8=479/871 9=467/669 10=476/848 11=473/674 12=473/845 13=465/664 14=471/847 15=465/666 Average=471/763
Kmalloc N*alloc N*free(512): 0=448/628 1=454/550 2=450/574 3=455/541 4=446/576 5=452/557 6=447/575 7=454/547 8=445/591 9=453/555 10=446/577 11=457/542 12=446/573 13=454/550 14=447/572 15=455/553 Average=450/566
Kmalloc N*alloc N*free(1024): 0=569/707 1=501/624 2=542/694 3=501/624 4=533/695 5=489/624 6=544/695 7=502/617 8=550/705 9=501/624 10=543/693 11=500/617 12=534/695 13=489/619 14=544/693 15=502/619 Average=521/659
Kmalloc N*alloc N*free(2048): 0=466/1246 1=474/856 2=465/1151 3=473/866 4=465/1169 5=474/860 6=466/1170 7=475/838 8=466/1240 9=474/852 10=466/1153 11=475/855 12=467/1154 13=475/851 14=467/1151 15=475/844 Average=470/1016
Kmalloc N*alloc N*free(4096): 0=841/794 1=790/778 2=839/796 3=789/781 4=838/795 5=790/777 6=843/798 7=787/777 8=841/795 9=789/781 10=839/798 11=792/777 12=838/800 13=791/776 14=840/801 15=788/781 Average=815/788
Kmalloc N*(alloc free)(8): 0=245 1=244 2=242 3=261 4=247 5=247 6=243 7=246 8=244 9=243 10=242 11=261 12=247 13=248 14=244 15=245 Average=247
Kmalloc N*(alloc free)(16): 0=248 1=247 2=248 3=243 4=247 5=247 6=242 7=256 8=247 9=246 10=247 11=242 12=247 13=247 14=242 15=257 Average=247
Kmalloc N*(alloc free)(32): 0=243 1=260 2=254 3=243 4=243 5=242 6=247 7=264 8=242 9=259 10=253 11=243 12=243 13=242 14=247 15=265 Average=250
Kmalloc N*(alloc free)(64): 0=244 1=248 2=251 3=244 4=248 5=249 6=247 7=247 8=243 9=247 10=251 11=244 12=248 13=249 14=247 15=248 Average=247
Kmalloc N*(alloc free)(128): 0=253 1=259 2=257 3=261 4=252 5=257 6=253 7=256 8=252 9=256 10=256 11=259 12=252 13=257 14=252 15=256 Average=255
Kmalloc N*(alloc free)(256): 0=241 1=241 2=244 3=241 4=250 5=250 6=244 7=246 8=239 9=240 10=241 11=240 12=250 13=250 14=243 15=247 Average=244
Kmalloc N*(alloc free)(512): 0=247 1=245 2=241 3=255 4=245 5=256 6=242 7=253 8=296 9=244 10=240 11=255 12=245 13=256 14=242 15=250 Average=251
Kmalloc N*(alloc free)(1024): 0=259 1=255 2=247 3=254 4=245 5=244 6=248 7=248 8=256 9=254 10=247 11=254 12=245 13=245 14=249 15=249 Average=250
Kmalloc N*(alloc free)(2048): 0=248 1=248 2=243 3=243 4=251 5=259 6=251 7=248 8=248 9=249 10=244 11=244 12=250 13=246 14=250 15=247 Average=248
Kmalloc N*(alloc free)(4096): 0=243 1=243 2=259 3=244 4=243 5=244 6=244 7=244 8=242 9=243 10=246 11=245 12=243 13=245 14=244 15=244 Average=245
Remote free test
================
N*remote free(8): 0=5/3085 1=174/0 2=173/0 3=173/0 4=173/0 5=173/0 6=173/0 7=174/0 8=105/0 9=174/0 10=173/0 11=174/0 12=174/0 13=174/0 14=174/0 15=175/0 Average=159/192
N*remote free(16): 0=5/3341 1=185/0 2=184/0 3=185/0 4=185/0 5=186/0 6=183/0 7=185/0 8=114/0 9=185/0 10=184/0 11=185/0 12=186/0 13=188/0 14=185/0 15=187/0 Average=170/208
N*remote free(32): 0=4/2829 1=187/0 2=207/0 3=182/0 4=201/0 5=186/0 6=207/0 7=184/0 8=127/0 9=188/0 10=205/0 11=186/0 12=204/0 13=189/0 14=209/0 15=188/0 Average=178/176
N*remote free(64): 0=4/3535 1=233/0 2=238/0 3=226/0 4=239/0 5=230/0 6=233/0 7=232/0 8=174/0 9=228/0 10=237/0 11=223/0 12=239/0 13=228/0 14=233/0 15=230/0 Average=214/221
N*remote free(128): 0=3/4747 1=366/0 2=419/0 3=372/0 4=414/0 5=372/0 6=417/0 7=378/0 8=336/0 9=373/0 10=411/0 11=377/0 12=415/0 13=379/0 14=423/0 15=381/0 Average=365/296
N*remote free(256): 0=4/9083 1=456/0 2=443/0 3=461/0 4=441/0 5=460/0 6=446/0 7=456/0 8=392/0 9=453/0 10=446/0 11=458/0 12=441/0 13=460/0 14=446/0 15=455/0 Average=420/567
N*remote free(512): 0=4/9468 1=445/0 2=427/0 3=446/0 4=436/0 5=447/0 6=430/0 7=444/0 8=384/0 9=445/0 10=430/0 11=446/0 12=439/0 13=445/0 14=430/0 15=443/0 Average=409/591
N*remote free(1024): 0=3/10387 1=498/0 2=533/0 3=506/0 4=531/0 5=509/0 6=540/0 7=511/0 8=476/0 9=497/0 10=532/0 11=508/0 12=531/0 13=508/0 14=541/0 15=510/0 Average=483/649
N*remote free(2048): 0=4/10294 1=489/0 2=468/0 3=487/0 4=470/0 5=490/0 6=466/0 7=487/0 8=405/0 9=486/0 10=467/0 11=487/0 12=468/0 13=488/0 14=467/0 15=489/0 Average=445/643
N*remote free(4096): 0=4/12687 1=821/0 2=835/0 3=823/0 4=834/0 5=820/0 6=833/0 7=819/0 8=750/0 9=822/0 10=835/0 11=819/0 12=833/0 13=818/0 14=829/0 15=819/0 Average=770/793
1 alloc N free test
===================
1 alloc N free(8): 0=3949 1=1060 2=1046 3=1068 4=1049 5=1047 6=1049 7=1037 8=1070 9=1046 10=1044 11=1066 12=1048 13=1048 14=1051 15=1055 Average=1233
1 alloc N free(16): 0=3703 1=1153 2=1155 3=1154 4=1154 5=1150 6=1155 7=1150 8=1159 9=1154 10=1154 11=1154 12=1153 13=1149 14=1154 15=1150 Average=1313
1 alloc N free(32): 0=4098 1=997 2=999 3=1004 4=1001 5=996 6=993 7=1003 8=1003 9=1000 10=997 11=1003 12=1003 13=996 14=993 15=1001 Average=1193
1 alloc N free(64): 0=4567 1=1018 2=1020 3=1021 4=1020 5=1019 6=1016 7=1011 8=1022 9=1022 10=1019 11=1021 12=1019 13=1021 14=1020 15=1010 Average=1240
1 alloc N free(128): 0=6814 1=1345 2=1346 3=1343 4=1342 5=1345 6=1343 7=1345 8=1345 9=1344 10=1345 11=1343 12=1342 13=1344 14=1344 15=1344 Average=1686
1 alloc N free(256): 0=9469 1=946 2=945 3=945 4=944 5=944 6=945 7=941 8=943 9=943 10=942 11=945 12=943 13=945 14=941 15=944 Average=1477
1 alloc N free(512): 0=8600 1=1278 2=1280 3=1277 4=1278 5=1279 6=1277 7=1277 8=1279 9=1277 10=1279 11=1281 12=1280 13=1280 14=1279 15=1280 Average=1736
1 alloc N free(1024): 0=9485 1=844 2=844 3=842 4=841 5=841 6=841 7=842 8=841 9=842 10=843 11=843 12=842 13=842 14=842 15=843 Average=1382
1 alloc N free(2048): 0=10836 1=868 2=867 3=868 4=868 5=867 6=867 7=867 8=868 9=867 10=867 11=867 12=867 13=867 14=867 15=867 Average=1490
1 alloc N free(4096): 0=12653 1=930 2=929 3=929 4=928 5=927 6=928 7=927 8=928 9=929 10=928 11=930 12=928 13=930 14=928 15=929 Average=1661