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Archive for March, 2011

Why you should probably not bother about Ruby’s speed

The expressivity and power of Ruby make it a really efficient programming language. Its dynamic nature results in lots of enjoyable benefits (introspection, dynamic class reopening…); it is also responsible for a part of its performances, which are sometimes believed to be poor.

Is Ruby really slow? While being obviously slower than most natively compiled languages, is the performance gap really worth noticing and should it prevent you from using this great language?

If all you’re coming for is pure performance benchmarks, you may directly skip to the last part of this article (“Lies, damned lies, and benchmarks”), since this article does not aim at benchmarking Ruby.

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Improve your Internet upload bandwidth management by configuring your Linux router

If you are running a Torrent, FTP or whatever kind of server behind your DSL link, you have probably noticed that interactive sessions get really slow (Web browsing, SSH…). As a first solution, you can of course configure your Torrent or FTP server to limit its upload but it’s not fully optimized as this wouldn’t use 100 % of your upload bandwidth.

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