Here are the AIM benchmark result for kernel 2.5.56.Kernel 2.5.56 when
compared with kernel 2.5.55 showed difference of performance in
following tests:-
Kernel 2.5.56 showed poor performance in Dynamic memory operations
========================================================================
Test Elapsed Iteration Iteration Operation
Name Time (sec) Count Rate(loops/sec) Rate (ops/sec)
------------------------------------------------------------------------
1 System Memory Allocations/second
brk_test
[2.5.56] 60.01 3483 58.04033 986685.55
[2.5.55] 60.02 3417 56.93102 967827.39
2 Dynamic Memory Operations/second
mem_rtns_1
[2.5.56] 60.00 1707 28.45000 853500.00
[2.5.55] 60.01 1838 30.62823 918846.86
========================================================================
*There is no much significant difference in other test result.
------------------------------------------------------------------------
----
kernel-2.5.56
------------------------------------------------------------------------
----
Machine's name : access1
Machine's configuration : PIII/868MHZ/128MB
Number of seconds to run each test [2 to 1000] : 60
Path to disk files : /tmp
------------------------------------------------------------------------
----
TestTest Elapsed Iteration Iteration Operation
NumberName Time (sec) Count Rate (loops/sec) Rate
(ops/sec)
------------------------------------------------------------------------
----
1 add_double 60.01 716 11.93134 214764.21
Thousand Double Precision Additions/second
2 add_float 60.05 1075 17.90175 214820.98
Thousand Single Precision Additions/second
3 add_long 60.01 1768 29.46176 1767705.38
Thousand Long Integer Additions/second
4 add_int 60.01 1768 29.46176 1767705.38
Thousand Integer Additions/second
5 add_short 60.02 4418 73.60880 1766611.13
Thousand Short Integer Additions/second
6 creat-clo 60.02 2161 36.00467 36004.67
File Creations and Closes/second
7 page_test 60.00 8494 141.56667 240663.33
System Allocations & Pages/second
8 brk_test 60.01 3483 58.04033 986685.55
System Memory Allocations/second
9 jmp_test 60.00 318209 5303.48333 5303483.33
Non-local gotos/second
10 signal_test 60.00 9972 166.20000 166200.00
Signal Traps/second
11 exec_test 60.00 2064 34.40000 172.00
Program Loads/second
12 fork_test 60.04 1112 18.52099 1852.10
Task Creations/second
13 link_test 60.00 10097 168.28333 10601.85
Link/Unlink Pairs/second
14 disk_rr 60.10 488 8.11980 41573.38
Random Disk Reads (K)/second
15 disk_rw 60.10 387 6.43927 32969.05
Random Disk Writes (K)/second
16 disk_rd 60.02 2830 47.15095 241412.86
Sequential Disk Reads (K)/second
17 disk_wrt 60.02 617 10.27991 52633.12
Sequential Disk Writes (K)/second
18 disk_cp 60.11 486 8.08518 41396.11
Disk Copies (K)/second
19sync_disk_rw 60.52 1 0.01652 42.30
Sync Random Disk Writes (K)/second
20sync_disk_wrt 76.05 2 0.02630 67.32
Sync Sequential Disk Writes (K)/second
21sync_disk_cp 77.48 2 0.02581 66.08
Sync Disk Copies (K)/second
22 disk_src 60.01 10699 178.28695 13371.52
Directory Searches/second
23 div_double 60.00 1322 22.03333 66100.00
Thousand Double Precision Divides/second
24 div_float 60.00 1322 22.03333 66100.00
Thousand Single Precision Divides/second
25 div_long 60.01 1591 26.51225 23861.02
Thousand Long Integer Divides/second
26 div_int 60.03 1592 26.52007 23868.07
Thousand Integer Divides/second
27 div_short 60.03 1592 26.52007 23868.07
Thousand Short Integer Divides/second
28 fun_cal 60.00 4362 72.70000 37222400.00
Function Calls (no arguments)/second
29 fun_cal1 60.00 10230 170.50000 87296000.00
Function Calls (1 argument)/second
30 fun_cal2 60.01 7971 132.82786 68007865.36
Function Calls (2 arguments)/second
31 fun_cal15 60.02 2455 40.90303 20942352.55
Function Calls (15 arguments)/second
32 sieve 60.54 41 0.67724 3.39
Integer Sieves/second
33 mul_double 60.06 837 13.93606 167232.77
Thousand Double Precision Multiplies/second
34 mul_float 60.00 833 13.88333 166600.00
Thousand Single Precision Multiplies/second
35 mul_long 60.00 75697 1261.61667 302788.00
Thousand Long Integer Multiplies/second
36 mul_int 60.00 76023 1267.05000 304092.00
Thousand Integer Multiplies/second
37 mul_short 60.00 60563 1009.38333 302815.00
Thousand Short Integer Multiplies/second
38 num_rtns_1 60.00 32608 543.46667 54346.67
Numeric Functions/second
39 new_raph 60.00 79914 1331.90000 266380.00
Zeros Found/second
40 trig_rtns 60.02 2163 36.03799 360379.87
Trigonometric Functions/second
41 matrix_rtns 60.00 349593 5826.55000 582655.00
Point Transformations/second
42 array_rtns 60.04 959 15.97268 319.45
Linear Systems Solved/second
43 string_rtns 60.01 851 14.18097 1418.10
String Manipulations/second
44 mem_rtns_1 60.00 1707 28.45000 853500.00
Dynamic Memory Operations/second
45 mem_rtns_2 60.00 131019 2183.65000 218365.00
Block Memory Operations/second
46 sort_rtns_1 60.01 2425 40.40993 404.10
Sort Operations/second
47 misc_rtns_1 60.00 31786 529.76667 5297.67
Auxiliary Loops/second
48 dir_rtns_1 60.01 13082 217.99700 2179970.00
Directory Operations/second
49 shell_rtns_1 60.00 2557 42.61667 42.62
Shell Scripts/second
50 shell_rtns_2 60.02 2565 42.73575 42.74
Shell Scripts/second
51 shell_rtns_3 60.00 2567 42.78333 42.78
Shell Scripts/second
52 series_1 60.00 1464518 24408.63333 2440863.33
Series Evaluations/second
53shared_memory 60.00 164960 2749.33333 274933.33
Shared Memory Operations/second
54 tcp_test 60.00 15798 263.30000 23697.00
TCP/IP Messages/second
55 udp_test 60.00 49019 816.98333 81698.33
UDP/IP DataGrams/second
56 fifo_test 60.00 88304 1471.73333 147173.33
FIFO Messages/second
57 stream_pipe 60.00 75192 1253.20000 125320.00
Stream Pipe Messages/second
58 dgram_pipe 60.00 73650 1227.50000 122750.00
DataGram Pipe Messages/second
59 pipe_cpy 60.00 251474 4191.23333 419123.33
Pipe Messages/second
60 ram_copy 60.00 1496414 24940.23333 624004638.00
Memory to Memory Copy/second
------------------------------------------------------------------------
----
Regards
Sowmya Adiga
Project Engineer
Wipro Technologies
53/1,Hosur Road,Madivala
Bangalore-560 068,INDIA
Tel: +91-80-5502001 Extn.5086
sowmya.adiga@wipro.com
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