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Re: Windows users! Help us test upload performance tuning?

From: Daniel Jeliński <>
Date: Mon, 6 Aug 2018 15:27:08 +0200

2018-08-04 20:33 GMT+02:00 Jan Ehrhardt <>:
> Over a fast connection (plain FTP upload) the patched version is consistently
> slower. Done with a 194MB mp4 file (in stead of the 1 MB test file):

Well I guess the overhead of WSAIoCtl or setsockopt may be
non-negligible for fast connections. I can't reproduce this here,
can't find a network with low enough bandwidth-delay product. On high
BDP the patched version is consistently faster.
Received on 2018-08-06