Cyclone V SoC - Time execution function - Cycle count

[Altera_Forum]

Hi everybody, 

 I'm new on SoC architecture and I need to measure cycle count about some function using NEON instruction.  My goal is to measure optmization code compared to an other architecture.  In Texas Instrument or Analog Devices case, I can put MACRO on code. Theses MACRO allows an hardware cycle counter in order to calculate function cycle time.  Example from Analog Devices:  

• #include <cycle_count.h> 
• START_CYCLE_COUNT(S) 
• STOP_CYCLE_COUNT(T,S) 

  Example from TI:  

• #include <c6x.h> 
• start_time = _itoll(TSCH, TSCL); 
• end_time = _itoll(TSCH, TSCL);)  
• cyclecount= end_time - start_time; 
• or directly with Code Composer Studio. 

  ARM Compiler, DS-5 on eclipse or an other tools allow that?  Thank a lot,  Remy

[Altera_Forum]

Hi , 

 for software you can also write to rocketboard mailing list.   http://lists.rocketboards.org/mailman/listinfo http://rocketboards.org/  Kr,  Florian

[Altera_Forum]

Ok Thx. 

 I receive an answer from altera: we can use Trace tools with DS-5 Debugger.  They is a tutorial on youtube video: https://www.youtube.com/watch?v=u_xkybphchi  Regards,  Remy

[Altera_Forum]

I use simplest method: run my code 1000*1000(*1000...) times and see moments between writing "beg"/"end" to program console. 

Precision is sufficient to make conclusion: NEON is very weak relative TI DSPs.

[Altera_Forum]

--- Quote Start ---  Ok Thx.  I receive an answer from altera: we can use Trace tools with DS-5 Debugger.  They is a tutorial on youtube video: https://www.youtube.com/watch?v=u_xkybphchi  Regards,  Remy  --- Quote End ---     Where were you able to find the time it would take to complete each cycle?