Mailinglist Archive: opensuse-ruby (32 mails)

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Re: [opensuse-ruby] rails 3 performance
On Tue, 20 Mar 2012 14:00:17 +0100
Stephan Kulow <coolo@xxxxxxx> wrote:


Now that I have the initial port of obs api to rails 3 finished, I
consider staying forever on rails2 :)

I have this little benchmark that I initially wrote to check if it's
worth talking to the API in json instead of the usual XML:

Usually using different xml implementation then rexml in rails help a lot.

prjs = DbProject.find :all
x = Benchmark.realtime { prjs.each { |p| p.expand_flags.to_json } }
y = Benchmark.realtime { prjs.each { |p| p.to_axml('flagdetails') }
puts "#{x} #{y}"

And indeed with rails 2.3.14, it shows json is good:
0.108472093 0.379935258

But now with rails 3.2.1 both are slower ;(
0.515888469 1.334631859

Interesting, I think this deserve investigation why it is.
Do you have identic scenario? Could you profile run?


Both are with ruby 1.9.3

Greetings, Stephan

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