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hmm.. I tried all that... strangely write+buffer makes it slower than the code above. About the fnctl I didn't try it and I think that could improve things, but I have never used it... if you want to make some tests then you could post your code modification to mine if it's faster...
– Zibri
Commented Mar 28, 2019 at 16:19
I just tried with F_SETPIPE_SZ after opening a fifo... the speed is slower by 30%... but you are free to try...maybe I did something wrong.
– Zibri
Commented Mar 28, 2019 at 16:57
update: doubling the pipe size improves the speed.. but raising it further does not seem to improve the speed further.
– Zibri
Commented Mar 30, 2019 at 13:05

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