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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2019/11/12 17:21:19 UTC

[GitHub] [mynewt-nimble] haukepetersen commented on issue #373: L2CAP COC: buffer configuration errors

haukepetersen commented on issue #373: L2CAP COC: buffer configuration errors
URL: https://github.com/apache/mynewt-nimble/issues/373#issuecomment-552996391
 
 
   Its been a while and I recently did some more experiments in this direction: I setup a raw-L2CAP flood test between two `nrf52dk` boards, using the NimBLE host and controller. For the test, I repeatedly send 5000 chunks with a given size as fast as I could (looping the `l2cap_send()` function until all 5000 chunks got a positive return code). I then repeated this for varying chunksizes from 1 to 1200 bytes:
   
   ![2019-10-09-15-54_itvl100_chunk2-5000-1_throughput](https://user-images.githubusercontent.com/620834/68694192-fdc54600-0578-11ea-8d5d-057ae126386a.png)
   
   For some reasons, the throughput decreases significantly for selected chunk sizes. I wonder if this behavior is connected to the observations described above?!
   
   

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