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require 'benchmark'
require 'fileutils'
size = (ARGV.shift || '500').to_i
target_size = (ARGV.shift || '10000').to_i # must be bigger than 50
require_size = 50
# for testing with abloute path
#TEST_DIR = File.expand_path('full_load_path_test', File.dirname(__FILE__))
# for testing with relative path
Dir.chdir File.dirname(__FILE__)
TEST_DIR = 'full_load_path_test'
unless File.directory?(TEST_DIR)
FileUtils.mkdir(TEST_DIR)
target_size.times do |idx|
FileUtils.touch(File.join(TEST_DIR, "bogus#{idx}.rb"))
end
end
def fill_load_path(size)
$LOAD_PATH.unshift(TEST_DIR)
size.times do |idx|
$LOAD_PATH.unshift("/tmp/folder#{idx}")
end
end
def with_loadvars(size)
load_path, loaded_features = $LOAD_PATH.dup, $LOADED_FEATURES.dup
begin
fill_load_path(size)
yield
ensure
$LOAD_PATH.replace(load_path)
$LOADED_FEATURES.replace(loaded_features)
end
end
gets
Benchmark.bmbm do |bm|
bm.report("empty counterpart") do
with_loadvars(size) do
# do nothing
end
end
bm.report("#{require_size} times require, #{size} in load path") do
with_loadvars(size) do
require_size.times do |idx|
require "bogus#{idx}"
end
end
end
end
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