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Dhrystone MIPS 2.1

2,196 bytes added, 16:26, 14 June 2011

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Thread model: posix

gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu3)</pre>

Calculation References: *[http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/4160.html ARM Dhrystone reference].

== Test Case 1: IGEPv2 Revision C- DM3730 @ 1 Ghz ==

'''Operating System''': Linux version 2.6.35.13 (mcaro@manel-p) (gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu3) ) #3 Fri Jun 10 19:58:16 CEST 2011

*Test case'''Boot Software: ~~Execution 10000000 loops (gcc_dry2)~~''' IGEP X-Loader 2.0.1-2

'''a) Test case: Execution 10000000 loops (gcc_dry2)''' Result

<pre>root@localhost:/tmp# ./gcc_dry2

Dhrystone Benchmark, Version 2.1 (Language: C)

Microseconds for one run through Dhrystone: 0.4

Dhrystones per Second: 2788671.0

</pre>

'''''DMIPS: 2788671.0 / 1757 = 1587.17'''''

'''b) Test case: Execution 10000000 loops (cc_dry2)'''

Result

<pre>root@localhost:/tmp# ./cc_dry2reg

Dhrystone Benchmark, Version 2.1 (Language: C)

Program compiled with 'register' attribute

Please give the number of runs through the benchmark: 10000000

Execution starts, 10000000 runs through Dhrystone

Execution ends

Final values of the variables used in the benchmark:

Int_Glob: 5

should be: 5

Bool_Glob: 1

should be: 1

Ch_1_Glob: A

should be: A

Ch_2_Glob: B

should be: B

Arr_1_Glob[8]: 7

should be: 7

Arr_2_Glob[8][7]: 10000010

should be: Number_Of_Runs + 10

Ptr_Glob->

Ptr_Comp: 4169736

should be: (implementation-dependent)

Discr: 0

should be: 0

Enum_Comp: 2

should be: 2

Int_Comp: 17

should be: 17

Str_Comp: DHRYSTONE PROGRAM, SOME STRING

should be: DHRYSTONE PROGRAM, SOME STRING

Next_Ptr_Glob->

Ptr_Comp: 4169736

should be: (implementation-dependent), same as above

Discr: 0

should be: 0

Enum_Comp: 1

should be: 1

Int_Comp: 18

should be: 18

Str_Comp: DHRYSTONE PROGRAM, SOME STRING

should be: DHRYSTONE PROGRAM, SOME STRING

Int_1_Loc: 5

should be: 5

Int_2_Loc: 13

should be: 13

Int_3_Loc: 7

should be: 7

Enum_Loc: 1

should be: 1

Str_1_Loc: DHRYSTONE PROGRAM, 1'ST STRING

should be: DHRYSTONE PROGRAM, 1'ST STRING

Str_2_Loc: DHRYSTONE PROGRAM, 2'ND STRING

should be: DHRYSTONE PROGRAM, 2'ND STRING

Microseconds for one run through Dhrystone: 0.3

Dhrystones per Second: 3987539.0

</pre>

'''''DMIPS: ~~2788671~~3987539.0 / 1757 = ~~1587~~2269.1751'''''

~~ ~~

Manel Caro

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