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solnic/dm1.txt

Created December 4, 2012 12:57
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dm1 vs dm2 - eager loading association
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dm1.txt
1.9.3p327 :011 > Benchmark.bm { |x| x.report { User.all.each { |u| u.city } } }
user system total real
4.320000 0.010000 4.330000 ( 4.344362)
Raw
dm2.txt
1.9.3p327 :004 > Benchmark.bm { |x| x.report { DataMapper[User].include(:city).each { |u| u.city } } }
user system total real
2.090000 0.010000 2.100000 ( 2.135567)
@pietia
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pietia commented Dec 4, 2012

City eagerly loaded in the first case ?

@solnic
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solnic commented Dec 4, 2012

@pietia yeah SEL should kick in

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