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List:       linux-mm
Subject:    Test4 performance numbers
From:       Rajagopal Ananthanarayanan <ananth () sgi ! com>
Date:       2000-07-17 21:13:41
[Download RAW message or body]

Since test4 came out I ran a bunch of tests
again to gauge performance. As you'll see test4
is a little slower in some cases as compared to
test3 ... I also had some compile problems with test4
in networking (pcnet32), but others have compiled
without  problems. All the foll. tests were on EXT2,
on a 2 CPU X86 box with 64MB memory. Test3 numbers
were the best I've seen in a variety of kernels including
2.3.42, 2.3.99pre2 and several intermediate "pre" versions.


------
Bonnie
------
              -------Sequential Output-------- ---Sequential Input-- --Random--             
              -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks---
 Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU  /sec %CPU

TEST4     256  3630 99.5   9915 14.7  6013 11.3  2894 86.0 18502 19.1 181.4  3.1
TEST4     256  3110 85.5   9884 14.7  6098 11.1  1831 54.3 18554 17.6 183.8  3.0
TEST4     256  3301 89.7   9857 15.3  6034 10.2  2772 82.7 18570 17.6 180.8  2.5

TEST3     256  3628 99.5  10693 15.3  6084 10.7  3014 89.5 18533 17.7 182.6  3.2
TEST3     256  3648 100.2 10456 15.2  6044 11.1  3031 89.7 18511 18.6 183.6  2.5
TEST3     256  3650 99.9  10545 15.6  6046 10.8  3020 89.9 18518 19.8 181.6  2.6 
 
TEST1     256  3434 94.8   6858 12.0  2949  6.1  3110 93.0 18713 21.3 174.9  3.3
TEST1     256  3421 95.0   6933 11.2  2628  6.0  3052 91.2 18569 22.0 176.0  2.5
TEST1     256  3474 96.5   6900 11.5  2824  6.1  3023 90.6 18103 24.4 173.5  2.9


-----------------------------------
lmdd (across blocksizes 1K to 1024K
------------------------------------
		Write		Read
               ---------	--------
TEST4 		10   MB/S      [ Didn't run this ]
TEST3		10-11MB/s	~19MB/s
TEST1		 6-7 MB/s	~18.5MB/s

-------------------
DBENCH (48 clients)
-------------------
TEST4 - 10-11MB/sec
TEST3 - 10-11MB/sec
TEST1 - 1.5-2MB/sec


-- 
--------------------------------------------------------------------------
Rajagopal Ananthanarayanan ("ananth")
Member Technical Staff, SGI.
--------------------------------------------------------------------------
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