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|
=begin
Some speed comparisions between yield vs. block.
=end
require 'benchmark'
$n = 10000
$b = proc { 1 }
# standard array
def with_yield
yield
end
def with_block( &yld )
yld.call
end
def with_bracket( &yld )
yld[]
end
# bench calls
def call_with_yield
$n.times do
with_yield { 1 }
end
end
def call_with_yield_on_proc
$n.times do
with_yield &$b
end
end
def call_with_block
$n.times do
with_block { 1 }
end
end
def call_with_block_on_proc
$n.times do
with_block &$b
end
end
def call_with_bracket
$n.times do
with_bracket { 1 }
end
end
def call_with_bracket_on_proc
$n.times do
with_bracket &$b
end
end
### --- bench ---
puts "\nYield vs. Block"
Benchmark.bm(15) do |b|
b.report("block :") { call_with_block }
b.report("block a proc :") { call_with_block_on_proc }
b.report("bracket :") { call_with_bracket }
b.report("bracket a proc :") { call_with_bracket_on_proc }
b.report("yield :") { call_with_yield }
b.report("yield a proc :") { call_with_yield_on_proc }
end
|
