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使用LMbench检查信息如下:
make[1]: Entering directory `/root/lmbench-3.0-a9/results'
L M B E N C H 3 . 0 S U M M A R Y
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(Alpha software, do not distribute)
Basic system parameters
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Host OS Description Mhz tlb cache mem scal
pages line par load
bytes
--------- ------------- ----------------------- ---- ----- ----- ------ ----
ImageServ Linux 2.6.32- x86_64-linux-gnu 1196 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
--------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
ImageServ Linux 2.6.32- 1196 0.21 0.32 2.61 3.84 5.97 0.41 2.66 319. 795. 2710
Basic integer operations - times in nanoseconds - smaller is better
-------------------------------------------------------------------
Host OS intgr intgr intgr intgr intgr
bit add mul div mod
--------- ------------- ------ ------ ------ ------ ------
ImageServ Linux 2.6.32- 0.8400 0.4200 0.2500 18.9 19.9
Basic uint64 operations - times in nanoseconds - smaller is better
------------------------------------------------------------------
Host OS int64 int64 int64 int64 int64
bit add mul div mod
--------- ------------- ------ ------ ------ ------ ------
ImageServ Linux 2.6.32- 0.840 0.2500 37.5 35.9
Basic float operations - times in nanoseconds - smaller is better
-----------------------------------------------------------------
Host OS float float float float
add mul div bogo
--------- ------------- ------ ------ ------ ------
ImageServ Linux 2.6.32- 2.5200 4.1900 12.6 12.0
Basic double operations - times in nanoseconds - smaller is better
------------------------------------------------------------------
Host OS double double double double
add mul div bogo
--------- ------------- ------ ------ ------ ------
ImageServ Linux 2.6.32- 2.5100 4.1900 20.0 18.5
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
--------- ------------- ------ ------ ------ ------ ------ ------- -------
ImageServ Linux 2.6.32- 4.3900 4.6500 4.0300 6.9100 11.5 5.66000 7.72000
*Local* Communication latencies in microseconds - smaller is better
---------------------------------------------------------------------
Host OS 2p/0K Pipe AF UDP RPC/ TCP RPC/ TCP
ctxsw UNIX UDP TCP conn
--------- ------------- ----- ----- ---- ----- ----- ----- ----- ----
ImageServ Linux 2.6.32- 4.390 11.5 14.6 23.8 39.8 30.7 37.9 50.
*Remote* Communication latencies in microseconds - smaller is better
---------------------------------------------------------------------
Host OS UDP RPC/ TCP RPC/ TCP
UDP TCP conn
--------- ------------- ----- ----- ----- ----- ----
ImageServ Linux 2.6.32-
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
--------- ------------- ------ ------ ------ ------ ------- ----- ------- -----
ImageServ Linux 2.6.32- 17.1 14.1 34.7 19.5 109.4K 0.529 2.498
*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
--------- ------------- ---- ---- ---- ------ ------ ------ ------ ---- -----
ImageServ Linux 2.6.32- 1255 7060 1537 4733.3 6404.5 3770.6 3584.2 6215 4046.
Memory latencies in nanoseconds - smaller is better
(WARNING - may not be correct, check graphs)
------------------------------------------------------------------------------
Host OS Mhz L1 $ L2 $ Main mem Rand mem Guesses
--------- ------------- --- ---- ---- -------- -------- -------
ImageServ Linux 2.6.32- 1196 1.6060 5.2300 44.3 173.0
make[1]: Leaving directory `/root/lmbench-3.0-a9/results'
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