TDA3XEVM: Optimization of Vision SDK

Erik Bogg

Prodigy 60 points

Part Number: TDA3XEVM

Hi,

This question can be divided into two parts:

1) How well do Vision SDK handle compiler flags for optimization? Is there any flag that should be avoided?

2) Which flags are recommended?

Regards

Erik

over 6 years ago

0 Rishabh Garg over 6 years ago

TI__Guru 55685 points

Hi Erik,

Each CPU has its own compiler and each compiler uses different compilation flags.

Please see PROCESSOR_SDK_VISION_03_07_00_00\vision_sdk\build\rtos\makerules\rules_<arch>.mk.

Optimization flags begin with -O'x' where x denotes optimization level.

You can refer to compiler documentation and help for more information.

Regards,

Rishabh

0 Erik Bogg over 6 years ago in reply to Rishabh Garg

Prodigy 60 points

Hi Rishabh,

Thanks for the information. But I got a follow up question on this topic:

In the file "PROCESSOR_SDK_VISION_03_07_00_00\vision_sdk\build\rtos\makerules\rules_m4.mk", I can see that:
- debug it is built without optimization
- release is built with -O3 --optimize_with_debug, and I can understand that in some cases you would like to have debug information
- prod_release is also built with -O3 --optimize_with_debug, and I really don't see the reason why you would like to have debug information in your production code. Is this perhaps a copy-paste error?

Regards
Erik

0 Rishabh Garg over 6 years ago in reply to Erik Bogg

TI__Guru 55685 points

Hi Erik,

--optimize_with_debug is an old flag. It no longer does anything.

http://software-dl.ti.com/ccs/esd/documents/sdto_cgt_debug_versus_optimization_tradeoff.html

Also we are not building/testing prod_release. You can ignore it.

Regards,

Rishabh

0 Rishabh Garg over 6 years ago in reply to Rishabh Garg

TI__Guru 55685 points

Hi,

I haven't heard back from you, I'm assuming you were able to resolve your issue.
If not, just post a reply below (or create a new thread if the thread has locked due to time-out).

Regards,
Rishabh

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TDA3XEVM: Optimization of Vision SDK