Re: [microblaze-uclinux] Performance microblaze vs. VirtexIIPro

[jozsef imrek <jozsef.imrek@xxxxxxxxxxxxxxxxxxxxxxx>]

dear emanuel,

On Tue, 11 May 2004, emanuel stiebler wrote:
> Anaybody out here made some tests what the performance in
> dhrystones is of this "chips" ?

there is a config option in the uClinux-dist that you can use to have a
dhrystones test. i switchd it on, run the test (the header says: Dhrystone
Benchmark, Version 2.1 (Language: C) ).

the fpga is a xc2v1000fg456-4 runing at 66Mhz.

at boot time the kernel measures 3.19 BogoMIPS.

the result is 5035.0 dhrystones/sec (see attached output from the test).


-- 
mazsi

----------------------------------------------------------------
Strawberry fields forever!  Jozsef.Imrek@strawberry.dnsalias.org
----------------------------------------------------------------
/> dhrystone

Dhrystone Benchmark, Version 2.1 (Language: C)

Program compiled without 'register' attribute

Please give the number of runs through the benchmark: 1000000

Execution starts, 1000000 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]:    1000010
        should be:   Number_Of_Runs + 10
Ptr_Glob->
  Ptr_Comp:          -2142779964
        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:          -2142779964
        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:  198.6 
Dhrystones per Second:                      5035.0