diff options
Diffstat (limited to 'lib/vendor/excon/benchmarks/has_key-vs-lookup.rb')
| -rw-r--r-- | lib/vendor/excon/benchmarks/has_key-vs-lookup.rb | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/lib/vendor/excon/benchmarks/has_key-vs-lookup.rb b/lib/vendor/excon/benchmarks/has_key-vs-lookup.rb new file mode 100644 index 0000000..b617c0c --- /dev/null +++ b/lib/vendor/excon/benchmarks/has_key-vs-lookup.rb @@ -0,0 +1,177 @@ +# Copied from my benchmark_hell repo: github.com/sgonyea/benchmark_hell + +require 'benchmark' + +iters = 1000000 +hash = { + 'some_key' => 'some_val', + 'nil_key' => nil +} + +puts 'Hash#has_key vs. Hash#[]' +Benchmark.bmbm do |x| + x.report('Hash#has_key') do + iters.times.each do + hash.has_key? 'some_key' + end + end + + x.report('Hash#has_key (if statement)') do + iters.times.each do + if hash.has_key?('other_key') + "hooray!" + end + end + end + + x.report('Hash#has_key (non-existant)') do + iters.times.each do + hash.has_key? 'other_key' + end + end + + x.report('Hash#[]') do + iters.times.each do + hash['some_key'] + end + end + + x.report('Hash#[] (if statement)') do + iters.times.each do + if hash['some_key'] + "hooray!" + end + end + end + + x.report('Hash#[] (non-existant)') do + iters.times.each do + hash['other_key'] + end + end + + x.report('Hash#has_key (if statement) explicit nil check') do + iters.times.each do + if hash.has_key?('nil_key') && !hash['nil_key'].nil? + "hooray!" + end + end + end + + + x.report('Hash#has_key (if statement) implicit nil check') do + iters.times.each do + if hash.has_key?('nil_key') && hash['nil_key'] + "hooray!" + end + end + end + + x.report('Hash#[] (if statement with nil)') do + iters.times.each do + if hash['nil_key'] + "hooray!" + end + end + end +end + +=begin + +$ rvm exec bash -c 'echo $RUBY_VERSION && ruby has_key-vs-hash\[key\].rb' + +jruby-1.5.6 +Hash#has_key vs. Hash#[] +Rehearsal --------------------------------------------------------------- +Hash#has_key 0.410000 0.000000 0.410000 ( 0.341000) +Hash#has_key (if statement) 0.145000 0.000000 0.145000 ( 0.145000) +Hash#has_key (non-existant) 0.116000 0.000000 0.116000 ( 0.116000) +Hash#[] 0.189000 0.000000 0.189000 ( 0.189000) +Hash#[] (if statement) 0.176000 0.000000 0.176000 ( 0.176000) +Hash#[] (non-existant) 0.302000 0.000000 0.302000 ( 0.302000) +------------------------------------------------------ total: 1.338000sec + + user system total real +Hash#has_key 0.128000 0.000000 0.128000 ( 0.128000) +Hash#has_key (if statement) 0.128000 0.000000 0.128000 ( 0.128000) +Hash#has_key (non-existant) 0.153000 0.000000 0.153000 ( 0.153000) +Hash#[] 0.206000 0.000000 0.206000 ( 0.206000) +Hash#[] (if statement) 0.182000 0.000000 0.182000 ( 0.182000) +Hash#[] (non-existant) 0.252000 0.000000 0.252000 ( 0.252000) + +macruby-0.7.1 +Hash#has_key vs. Hash#[] +Rehearsal --------------------------------------------------------------- +Hash#has_key 2.530000 0.050000 2.580000 ( 1.917643) +Hash#has_key (if statement) 2.590000 0.050000 2.640000 ( 1.935221) +Hash#has_key (non-existant) 2.580000 0.050000 2.630000 ( 1.964230) +Hash#[] 2.240000 0.040000 2.280000 ( 1.640999) +Hash#[] (if statement) 3.620000 0.070000 3.690000 ( 2.530248) +Hash#[] (non-existant) 2.060000 0.040000 2.100000 ( 1.473487) +----------------------------------------------------- total: 15.920000sec + + user system total real +Hash#has_key 2.230000 0.030000 2.260000 ( 1.661843) +Hash#has_key (if statement) 2.180000 0.040000 2.220000 ( 1.605644) +Hash#has_key (non-existant) 2.160000 0.040000 2.200000 ( 1.582561) +Hash#[] 2.160000 0.030000 2.190000 ( 1.581448) +Hash#[] (if statement) 3.440000 0.070000 3.510000 ( 2.393421) +Hash#[] (non-existant) 2.330000 0.040000 2.370000 ( 1.699338) + +rbx-head +Hash#has_key vs. Hash#[] +Rehearsal --------------------------------------------------------------- +Hash#has_key 0.660584 0.004932 0.665516 ( 0.508601) +Hash#has_key (if statement) 0.261708 0.000532 0.262240 ( 0.263021) +Hash#has_key (non-existant) 0.265908 0.000827 0.266735 ( 0.259509) +Hash#[] 0.396607 0.001189 0.397796 ( 0.372997) +Hash#[] (if statement) 0.553003 0.001589 0.554592 ( 0.543859) +Hash#[] (non-existant) 0.323748 0.000884 0.324632 ( 0.319055) +------------------------------------------------------ total: 2.471511sec + + user system total real +Hash#has_key 0.332239 0.000819 0.333058 ( 0.333809) +Hash#has_key (if statement) 0.284344 0.000521 0.284865 ( 0.285330) +Hash#has_key (non-existant) 0.339695 0.001301 0.340996 ( 0.324259) +Hash#[] 0.298555 0.000368 0.298923 ( 0.299557) +Hash#[] (if statement) 0.392755 0.000773 0.393528 ( 0.395473) +Hash#[] (non-existant) 0.277721 0.000464 0.278185 ( 0.278540) + +ruby-1.8.7-p330 +Hash#has_key vs. Hash#[] +Rehearsal --------------------------------------------------------------- +Hash#has_key 0.450000 0.000000 0.450000 ( 0.450143) +Hash#has_key (if statement) 0.440000 0.000000 0.440000 ( 0.448278) +Hash#has_key (non-existant) 0.420000 0.000000 0.420000 ( 0.416959) +Hash#[] 0.450000 0.000000 0.450000 ( 0.450727) +Hash#[] (if statement) 0.550000 0.000000 0.550000 ( 0.555043) +Hash#[] (non-existant) 0.530000 0.000000 0.530000 ( 0.527189) +------------------------------------------------------ total: 2.840000sec + + user system total real +Hash#has_key 0.440000 0.000000 0.440000 ( 0.447746) +Hash#has_key (if statement) 0.450000 0.000000 0.450000 ( 0.450331) +Hash#has_key (non-existant) 0.420000 0.000000 0.420000 ( 0.419157) +Hash#[] 0.450000 0.000000 0.450000 ( 0.454438) +Hash#[] (if statement) 0.570000 0.000000 0.570000 ( 0.563948) +Hash#[] (non-existant) 0.520000 0.000000 0.520000 ( 0.527866) + +ruby-1.9.2-p136 +Hash#has_key vs. Hash#[] +Rehearsal --------------------------------------------------------------- +Hash#has_key 0.690000 0.000000 0.690000 ( 0.691657) +Hash#has_key (if statement) 0.630000 0.000000 0.630000 ( 0.638418) +Hash#has_key (non-existant) 0.640000 0.000000 0.640000 ( 0.637510) +Hash#[] 0.580000 0.000000 0.580000 ( 0.584500) +Hash#[] (if statement) 0.840000 0.010000 0.850000 ( 0.837541) +Hash#[] (non-existant) 0.810000 0.000000 0.810000 ( 0.811598) +------------------------------------------------------ total: 4.200000sec + + user system total real +Hash#has_key 0.690000 0.000000 0.690000 ( 0.694192) +Hash#has_key (if statement) 0.640000 0.000000 0.640000 ( 0.641729) +Hash#has_key (non-existant) 0.630000 0.000000 0.630000 ( 0.634470) +Hash#[] 0.580000 0.000000 0.580000 ( 0.587844) +Hash#[] (if statement) 0.830000 0.000000 0.830000 ( 0.832323) +Hash#[] (non-existant) 0.790000 0.010000 0.800000 ( 0.791689) +=end |