make[1]: Entering directory `/nfs/lmbench-3.0-a9/results'
L M B E N C H 3 . 0 S U M M A R Y ------------------------------------ (Alpha software, do not distribute)
Basic system parameters ------------------------------------------------------------------------------ Host OS Description Mhz tlb cache mem scal pages line par load bytes --------- ------------- ----------------------- ---- ----- ----- ------ ---- 192.168.0 Linux 2.6.16 arm-linux 85 60 8 1.0000 1 192.168.0 Linux 2.6.27 arm-linux 86 63 16 1.0000 1 192.168.0 Linux 2.6.16 arm-linux 86 63 16 1.0000 1 192.168.0 Linux 2.6.16 arm-linux 86 63 16 1.0000 1 192.168.0 Linux 2.6.16 arm-linux 86 63 16 1.0000 1 localhost Linux 2.6.21- i686-pc-linux-gnu 1817 8 128 1.3300 1 localhost Linux 2.6.21- i686-pc-linux-gnu 1864 8 128 1.2900 1
Processor, Processes - times in microseconds - smaller is better ------------------------------------------------------------------------------ Host OS Mhz null null open slct sig sig fork exec sh call I/O stat clos TCP inst hndl proc proc proc --------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- 192.168.0 Linux 2.6.16 85 2.04 8.44 187. 2064 21.0 81.2 9655 42.K 63.K 192.168.0 Linux 2.6.27 86 2.69 8.44 266. 5338 20.7 94.7 10.K 44.K 73.K 192.168.0 Linux 2.6.16 86 2.03 8.34 185. 5100 20.7 85.9 9468 63.K 121K 192.168.0 Linux 2.6.16 86 2.03 8.72 185. 19.K 20.7 84.9 9556 53.K 72.K 192.168.0 Linux 2.6.16 86 2.04 8.33 185. 5321 20.7 80.5 9395 42.K 101K localhost Linux 2.6.21- 1817 1.11 1.26 3.08 5.17 10.2 1.70 2.85 674. 1922 5177 localhost Linux 2.6.21- 1864 1.09 1.26 2.98 5.05 8.94 1.48 3.27 1083 2086 6119
Basic integer operations - times in nanoseconds - smaller is better ------------------------------------------------------------------- Host OS intgr intgr intgr intgr intgr bit add mul div mod --------- ------------- ------ ------ ------ ------ ------ 192.168.0 Linux 2.6.16 11.6 8.6900 52.1 1489.3 255.9 192.168.0 Linux 2.6.27 11.5 8.5800 52.2 1469.2 252.6 192.168.0 Linux 2.6.16 11.5 8.5400 52.2 1472.0 252.9 192.168.0 Linux 2.6.16 11.5 8.6200 52.0 1472.8 251.9 192.168.0 Linux 2.6.16 11.5 8.6400 52.2 1472.5 254.5 localhost Linux 2.6.21- 0.5600 0.2800 0.2000 20.6 10.9 localhost Linux 2.6.21- 0.6100 0.2700 0.1700 20.0 9.8600
Basic uint64 operations - times in nanoseconds - smaller is better ------------------------------------------------------------------ Host OS int64 int64 int64 int64 int64 bit add mul div mod --------- ------------- ------ ------ ------ ------ ------ 192.168.0 Linux 2.6.16 23. 691.6 4295.6 3895.0 192.168.0 Linux 2.6.27 23. 685.4 4192.8 4074.3 192.168.0 Linux 2.6.16 23. 683.0 4199.0 4082.1 192.168.0 Linux 2.6.16 23. 680.7 4202.6 4082.9 192.168.0 Linux 2.6.16 23. 686.9 4235.7 4080.3 localhost Linux 2.6.21- 0.690 0.6200 34.5 41.4 localhost Linux 2.6.21- 0.660 0.6100 36.8 40.2
Basic float operations - times in nanoseconds - smaller is better ----------------------------------------------------------------- Host OS float float float float add mul div bogo --------- ------------- ------ ------ ------ ------ 192.168.0 Linux 2.6.16 6902.1 7781.9 12.1K 42.2K 192.168.0 Linux 2.6.27 6911.0 6568.4 11.6K 43.0K 192.168.0 Linux 2.6.16 6757.4 7578.5 11.9K 43.5K 192.168.0 Linux 2.6.16 6763.1 7611.3 11.7K 43.5K 192.168.0 Linux 2.6.16 6759.3 7640.4 11.9K 43.5K localhost Linux 2.6.21- 1.6600 2.7900 21.7 20.6 localhost Linux 2.6.21- 1.6300 2.7200 20.9 20.1
Basic double operations - times in nanoseconds - smaller is better ------------------------------------------------------------------ Host OS double double double double add mul div bogo --------- ------------- ------ ------ ------ ------ 192.168.0 Linux 2.6.16 9955.5 10.6K 22.8K 79.8K 192.168.0 Linux 2.6.27 9157.0 9909.4 20.6K 79.4K 192.168.0 Linux 2.6.16 9793.3 10.3K 22.4K 79.8K 192.168.0 Linux 2.6.16 9703.9 10.4K 22.2K 79.9K 192.168.0 Linux 2.6.16 9746.9 10.3K 22.3K 79.7K localhost Linux 2.6.21- 1.6900 2.7900 21.2 20.6 localhost Linux 2.6.21- 1.6300 2.8800 21.0 20.2
Context switching - times in microseconds - smaller is better ------------------------------------------------------------------------- Host OS 2p/0K 2p/16K 2p/64K 8p/16K 8p/64K 16p/16K 16p/64K ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw ctxsw --------- ------------- ------ ------ ------ ------ ------ ------- ------- 192.168.0 Linux 2.6.16 164.8 120.0 311.9 165.3 162.5 165.9 151.1 192.168.0 Linux 2.6.27 247.5 196.1 198.4 238.0 254.9 262.9 291.2 192.168.0 Linux 2.6.16 164.4 118.5 115.2 161.1 156.4 164.4 164.3 192.168.0 Linux 2.6.16 167.2 116.6 119.6 166.9 161.9 171.3 158.1 192.168.0 Linux 2.6.16 172.5 117.4 114.3 161.3 147.6 163.8 127.5 localhost Linux 2.6.21- 11.0 11.6 11.7 15.3 19.2 16.8 25.1 localhost Linux 2.6.21- 10.2 11.4 11.3 14.3 20.9 17.4 26.0
*Local* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP ctxsw UNIX UDP TCP conn --------- ------------- ----- ----- ---- ----- ----- ----- ----- ---- 192.168.0 Linux 2.6.16 164.8 482.3 925. 192.168.0 Linux 2.6.27 247.5 770.7 1069 192.168.0 Linux 2.6.16 164.4 477.4 917. 192.168.0 Linux 2.6.16 167.2 472.9 926. 192.168.0 Linux 2.6.16 172.5 474.9 913. localhost Linux 2.6.21- 11.0 28.3 50.8 45.9 55.2 48.2 59.8 126. localhost Linux 2.6.21- 10.2 32.1 55.7 36.7 49.2 40.2 53.1 113.
*Remote* Communication latencies in microseconds - smaller is better --------------------------------------------------------------------- Host OS UDP RPC/ TCP RPC/ TCP UDP TCP conn --------- ------------- ----- ----- ----- ----- ---- 192.168.0 Linux 2.6.16 192.168.0 Linux 2.6.27 192.168.0 Linux 2.6.16 192.168.0 Linux 2.6.16 192.168.0 Linux 2.6.16 localhost Linux 2.6.21- localhost Linux 2.6.21-
File & VM system latencies in microseconds - smaller is better ------------------------------------------------------------------------------- Host OS 0K File 10K File Mmap Prot Page 100fd Create Delete Create Delete Latency Fault Fault selct --------- ------------- ------ ------ ------ ------ ------- ----- ------- ----- 192.168.0 Linux 2.6.16 6410.3 6135.0 37.0K 6896.6 5112.0 3.124 36.8 280.8 192.168.0 Linux 2.6.27 18.9K 71.4K 55.6K 28.6K 16.2K 15.9 54.2 194.3 192.168.0 Linux 2.6.16 22.7K 15.4K 1000.K 47.6K 4926.0 5.213 37.1 284.2 192.168.0 Linux 2.6.16 31.2K 29.4K 41.7K 50.0K 4907.0 1.087 36.0 277.1 192.168.0 Linux 2.6.16 33.3K 25.0K 58.8K 9434.0 5108.0 9.428 37.1 285.6 localhost Linux 2.6.21- 112.0 12.4 88.5 130.8 7413.0 2.360 5.98870 4.635 localhost Linux 2.6.21- 36.1 19.0 181.2 138.4 9006.0 2.134 482.1 4.148
*Local* Communication bandwidths in MB/s - bigger is better ----------------------------------------------------------------------------- Host OS Pipe AF TCP File Mmap Bcopy Bcopy Mem Mem UNIX reread reread (libc) (hand) read write --------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- ----- 192.168.0 Linux 2.6.16 10.2 11.2 13.1 32.8 19.1 17.8 32.8 72.9 192.168.0 Linux 2.6.27 8.96 11.4 12.9 32.6 19.1 17.7 32.7 71.2 192.168.0 Linux 2.6.16 10.2 11.2 13.0 32.8 19.0 17.8 32.7 71.2 192.168.0 Linux 2.6.16 10.2 11.2 12.9 32.9 19.0 17.8 32.9 71.6 192.168.0 Linux 2.6.16 10.2 11.2 12.9 32.9 19.0 17.8 32.7 71.6 localhost Linux 2.6.21- 1153 436. 640. 1742.8 3463.7 1239.0 1116.5 3502 1589. localhost Linux 2.6.21- 1194 451. 744. 1742.3 3443.5 1217.8 1159.0 3357 1555.
Memory latencies in nanoseconds - smaller is better (WARNING - may not be correct, check graphs) ------------------------------------------------------------------------------ Host OS Mhz L1 $ L2 $ Main mem Rand mem Guesses --------- ------------- --- ---- ---- -------- -------- ------- 192.168.0 Linux 2.6.16 85 33.6 293.4 296.6 856.8 No L2 cache? 192.168.0 Linux 2.6.27 86 35.2 293.8 309.8 863.1 No L2 cache? 192.168.0 Linux 2.6.16 86 35.4 293.7 310.3 861.4 No L2 cache? 192.168.0 Linux 2.6.16 86 35.4 293.7 309.9 863.6 No L2 cache? 192.168.0 Linux 2.6.16 86 35.4 293.6 308.2 860.2 No L2 cache? localhost Linux 2.6.21- 1817 1.6620 7.9160 98.6 191.7 localhost Linux 2.6.21- 1864 1.7240 7.7130 104.3 205.4 make[1]: Leaving directory `/nfs/lmbench-3.0-a9/results'
主要技术参数说明:
分类
其中host为localhost 说明是我用的虚拟机,而192.168.0则说明是用4020进行的测试
技术参数
参数说明
(1)Basic system parameters(系统基本参数)
Tlb pages:TLB(Translation Lookaside Buffer)的页面数
Cache line bytes :(cache的行字节数)
Mem par
memory hierarchy parallelism
Scal load:并行的lmbench数
(2)Processor, Processes(处理器、进程操作时间)
Null call:简单系统调用(取进程号)
Null I/O:简单IO操作(空读写的平均)
Stat:取文档状态的操作
Open clos:打开然后立即关闭关闭文档操作
Slct tcp
Select:配置
Sig inst:配置信号
Sig hndl:捕获处理信号
Fork proc :Fork进程后直接退出
Exec proc:Fork后执行execve调用再退出
Sh proc:Fork后执行shell再退出
(3)Basic integer/float/double operations
略
(4)Context switching 上下文切换时间
2p/16K: 表示2个并行处理16K大小的数据
(5)*Local* Communication latencies(本地通信延时,通过不同通信方式发送后自己立即读)
Pipe:管道通信
AF UNIX
Unix协议
UDP
UDP
RPC/UDP
TCP
RPC/TCP
TCP conn
TCP建立connect并关闭描述字
(6)File & VM system latencies(文档、内存延时)
File Create & Delete:创建并删除文档
MMap Latency:内存映射
Prot Fault
Protect fault
Page Fault:缺页
100fd selct:对100个文档描述符配置select的时间
(7)*Local* Communication bandwidths(本地通信带宽)
Pipe:管道操作
AF UNIX
Unix协议
TCP
TCP通信
File reread:文档重复读
MMap reread:内存映射重复读
Bcopy(libc):内存拷贝
Bcopy(hand):内存拷贝
Mem read:内存读
Mem write:内存写
(8)Memory latencies(内存操作延时)
L1:缓存1
L2:缓存2
Main Mem:连续内存
Rand Mem:内存随机访问延时
Guesses
假如L1和L2近似,会显示“No L1 cache?”
假如L2和Main Mem近似,会显示“No L2 cache?”