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Add benchmark for #flat_map 

Calculating -------------------------------------
.map.flatten with nested arrays
                          4718 i/100ms
.flat_map with nested arrays
                          6048 i/100ms
.map.flatten with no nested arrays
                          9804 i/100ms
.flat_map with no nested arrays
                          9302 i/100ms
-------------------------------------------------
.map.flatten with nested arrays
                        48118.3 (±4.8%) i/s -     240618 in   5.011942s
.flat_map with nested arrays
                        63838.6 (±5.1%) i/s -     320544 in   5.034864s
.map.flatten with no nested arrays
                       104879.3 (±4.4%) i/s -     529416 in   5.057802s
.flat_map with no nested arrays
                        99935.3 (±6.6%) i/s -     502308 in   5.049506s
This commit is contained in:
Parker Moore 2014-10-22 01:27:45 -07:00
parent 7c05312d5c
commit a30498ba42
1 changed files with 17 additions and 0 deletions
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17
benchmark/flat-map Normal file
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@ -0,0 +1,17 @@
require 'benchmark/ips'
enum = (0..50).to_a
nested = enum.map { |i| [i] }
def do_thing(blah)
blah * 1
end
Benchmark.ips do |x|
x.report('.map.flatten with nested arrays') { nested.map { |i| do_thing(i) }.flatten(1) }
x.report('.flat_map with nested arrays') { nested.flat_map { |i| do_thing(i) } }
x.report('.map.flatten with no nested arrays') { enum.map { |i| do_thing(i) }.flatten(1) }
x.report('.flat_map with no nested arrays') { enum.flat_map { |i| do_thing(i) } }
end