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Versions: 8
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Stored size: 1.4 KB
Contents
require File.dirname(__FILE__) + '/../spec_helper'
describe "Speccing Ruby for speed" do
describe "various versions for allocation id concatenating" do
before(:each) do
@allocs = [:hello, :speed, :test]
@ids = {
:hello => (1..100_000).to_a,
:speed => (1..5_000).to_a,
:test => (1..1_000).to_a
}
GC.disable
end
after(:each) do
GC.enable
GC.start # start the GC to minimize the chance that it will run again during the speed spec
end
describe "+" do
it "should be fast" do
Benchmark.realtime do
@allocs.inject([]) do |total, alloc|
total + @ids[alloc]
end
end.should <= 0.0025
end
end
describe "map and flatten!(1)" do
it "should be fast" do
Benchmark.realtime do
@allocs.map { |alloc| @ids[alloc] }.flatten!(1)
end.should <= 0.02
end
end
describe "<< and flatten!(1)" do
it "should be fast" do
Benchmark.realtime do
@allocs.inject([]) do |total, alloc|
total << @ids[alloc]
end.flatten!(1)
end.should <= 0.02
end
end
describe "<< and flatten!" do
it "should be fast" do
Benchmark.realtime do
@allocs.inject([]) do |total, alloc|
total << @ids[alloc]
end.flatten!
end.should <= 0.02
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems