I want compare time of execution Post.all
and SELECT * FROM posts
(or some other statements) How can i get execution time of Post.all
?
timing = Benchmark.measure { Post.all }
The various attributes of the object returned (Benchmark::Tms) are provided here.
With benchmark-ips gem:
2.3.0 :001 > require 'benchmark/ips'
=> true
2.3.0 :002 > Benchmark.ips do |x|
2.3.0 :003 > x.report("add: ") { 1+2 }
2.3.0 :004?> x.report("div: ") { 1/2 }
2.3.0 :005?> x.report("iis: ") { 1/2.0 }
2.3.0 :006?> end
Warming up --------------------------------------
add: 280.299k i/100ms
div: 278.189k i/100ms
iis: 266.526k i/100ms
Calculating -------------------------------------
add: 11.381M (± 4.5%) i/s - 56.901M in 5.010669s
div: 9.879M (± 4.6%) i/s - 49.518M in 5.024084s
iis: 9.289M (± 4.2%) i/s - 46.376M in 5.001639s
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