It could also be the use of memory barrier instructions. I'd like to
benchmark Codec2 rather than a simple floating point loop with volatile
variables. But if we are to believe the times on the screen of the esp32 in
the video, he was getting acceptable performance.
On Sat, Apr 7, 2018, 3:41 PM glen english <g...@cortexrf.com.au> wrote:
> Of interest is this blog on the ESP32 FP perofrmance, versus the STM32F7
> (which can easily run simultaneous encode/decode on my setup).
>
> the author appears to have done his homework
>
> https://blog.classycode.com/esp32-floating-point-performance-6e9f6f567a69
>
> The STM32F7 appears to be between 10 and 100 times faster on various
> jobs, the author concluded the ESP32 may be software emulating.
>
> more:
>
> https://www.esp32.com/viewtopic.php?f=14&t=800
>
> others interpreted as just a very slow FPU, OR the scheduler was getting
> in the way of the ESP32 performance, and tuning was required to get
> perfornamce.
>
>
>
> On 8/04/2018 6:45 AM, Bruce Perens wrote:
> > > The ESP only has a 12 bit ADC and an 8 bit A
>
>
>
>
> ------------------------------------------------------------------------------
> Check out the vibrant tech community on one of the world's most
> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
> _______________________________________________
> Freetel-codec2 mailing list
> Freetel-codec2@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/freetel-codec2
>
------------------------------------------------------------------------------
Check out the vibrant tech community on one of the world's most
engaging tech sites, Slashdot.org! http://sdm.link/slashdot
_______________________________________________
Freetel-codec2 mailing list
Freetel-codec2@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/freetel-codec2
