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AM4376: Linaro GCC performance

Part Number: AM4376

Hello Specialists,

Our customer has a question about compiler in AM437x.

Background

In the software, after we changed from TI compiler to Linaro GCC compiler, drawing performance became half of TI compiler. Therefore, we are researching on the reason.

In the benchmark evaluation, we compared Linaro GCC with TI compiler and we learned computing performance of short type is worse at Linaro GCC.

The environment is as below

--------------------------------------------------------------
Compiler   ARM GCC GNU v7.2.1(Linaro)
IDE             TI Code Composer Studio(CCS)   9.1.0(Build: 9.1.0.00010)
ICE             Advice LUNAⅡ L2-ARM-J (MODEL AP520 Rev10)
--------------------------------------------------------------

Question

Do you have any way to improve the performance of Linaro GCC performance?

Thank you.

Lin  HsinYu