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Why is IceCat/GuixSD slower than Firefox/Debian on headless servers?


From: George myglc2 Clemmer
Subject: Why is IceCat/GuixSD slower than Firefox/Debian on headless servers?
Date: Mon, 15 Jan 2018 23:26:42 -0500
User-agent: mu4e 0.9.18; emacs 25.3.1

Running from a desktop to a headless server, and based on side-by-side
clicking, IceCat/GuixSD takes ~5x times as long as Mozilla/Debian to
respond to clicks. Further, Mozilla/Debian takes ~5x times as long as
Mozilla running on the desktop. The bottom line: IceCat/GuixSD is
unbearably slow.

Has anyone else seen this?

Is there a known IceCat/GuixSD performance problem?

Details:

Two identical headless servers with 3.4GHz E3 1240 V3 CPUs and PCI SATA
NVMe SSDs.  One runs Mozilla Firefox 45.7.0 on Debian 8.x. which was
updated a few months ago. The other runs guix 0.14.0.617-e2f37 from a
couple weeks ago. The desktop is XQuartz/MacOS 10.13.2/iMac. Both
servers are reached via the same physical 1000BaseT network.  Swapping
the server switch port/cables doesn't affect the result.



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