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10 years, 6 months ago.

ARM Cortex M4F!! FPU supported?

Very excited to hear about this board! Will the mbed compiler use the Floating Point Unit / DSP instruction set of the ARM Cortex M4F? That would be a HUGE benefit for control algorithm development!

Question relating to:

Last updated: 23 Apr 2019
The mbed-enabled LPC4088 QuickStart Board from Embedded Artists is a easy to use ARM Cortex-M4 rapid prototyping board in a standard through hole DIP package (44-pin), targeted at high-performance as …

2 Answers

EmbeddedArtists AB
10 years, 6 months ago.

Hi,
The mbed compiler for this board is set to generate hardware FP/DSP instructions.
Kind Regards,
Embedded Artists Team

Accepted Answer

I am not seeing any performance difference with floating point operations between the mbed LPC1768 and the Nucleo F411RE. In both cases, floating operations take about 45 cycles.

I used the following code: http://mbed.org/users/igor_m/code/benchmark/

posted by Igor Martinovski 10 Jul 2014
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poster
10 years, 6 months ago.

Great!