Created
June 14, 2016 03:42
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Ruby raise/rescue vs. throw/catch. tl;dr throw/catch is much faster
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require 'benchmark/ips' | |
Benchmark.ips do |x| | |
x.report(:raise_rescue) do | |
begin | |
raise ArgumentError | |
rescue ArgumentError | |
end | |
end | |
x.report(:throw_catch) do | |
begin | |
catch(:halt) do | |
throw(:halt) | |
end | |
end | |
end | |
x.compare! | |
end | |
# Ruby 2.2.4 on OSX | |
# Warming up -------------------------------------- | |
# raise_rescue 58.744k i/100ms | |
# throw_catch 157.030k i/100ms | |
# Calculating ------------------------------------- | |
# raise_rescue 704.836k (± 6.7%) i/s - 3.525M in 5.023761s | |
# throw_catch 2.532M (± 5.3%) i/s - 12.719M in 5.037449s | |
# | |
# Comparison: | |
# throw_catch: 2532310.2 i/s | |
# raise_rescue: 704835.7 i/s - 3.59x slower |
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