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write_element optimization for T_ARRAY to only allocate the buffer for the index key once instead of repeatedly for every index. This results in a 2.5x improvement for array sizes around 32. Also includes improvements to the performance tests and graphs, with plothover to show [x,y] values.

This commit is contained in:
Gary Murakami 2012-04-25 17:15:31 -04:00
parent bc5944899b
commit 7384585d98
5 changed files with 622 additions and 379 deletions
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4
Gemfile
View File

@ -16,7 +16,6 @@ group :development, :test do
gem "test-unit" gem "test-unit"
gem "ci_reporter" gem "ci_reporter"
gem "ruby-prof" unless RUBY_PLATFORM =~ /java/ gem "ruby-prof" unless RUBY_PLATFORM =~ /java/
gem "perftools.rb" unless RUBY_PLATFORM =~ /java/
gem "rake-compiler" gem "rake-compiler"
# Java # Java
@ -26,3 +25,6 @@ group :development, :test do
gem "jruby-openssl" gem "jruby-openssl"
end end
end end
gem "perftools.rb", :group => :development unless RUBY_PLATFORM =~ /java/

113
bench/exp_series.html
View File

@ -41,7 +41,6 @@
} }
function flotSeries(expSeries, xMax, labelSpec, plotSpecs) { function flotSeries(expSeries, xMax, labelSpec, plotSpecs) {
return $.map(plotSpecs, function(plotSpec, i){ return $.map(plotSpecs, function(plotSpec, i){
var base = plotSpec.base; var gen = plotSpec.generator; var op = plotSpec.operation;
return { return {
label: labelSpec + ': ' + plotSpec[labelSpec], label: labelSpec + ': ' + plotSpec[labelSpec],
data: genOpXY(expSeries, xMax, plotSpec, 'exp2', 'ops'), data: genOpXY(expSeries, xMax, plotSpec, 'exp2', 'ops'),
@ -68,70 +67,83 @@ $(function () {
{ {
xaxis: { ticks: xExpTicks }, xaxis: { ticks: xExpTicks },
yaxes: [ { min: 0 } ], yaxes: [ { min: 0 } ],
legend: { position: 'ne' } legend: { position: 'ne' },
grid: { hoverable: true }
}); });
} }
// comment pending // comment pending
var graph = [ var graph = [
[ 'value_string_size insert C versus Ruby', 14, 'mongo_driver_mode', [ 'value_string_size insert C versus Ruby', 14, 'mode',
[ [
{ base:2, generator:'value_string_size', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'value_string_size', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'value_string_size', operation:'insert', mongo_driver_mode: 'ruby' } { base:2, generator:'value_string_size', operation:'insert', mode: 'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'key_string_size insert C versus Ruby', 14, 'mongo_driver_mode', [ 'key_string_size insert C versus Ruby', 14, 'mode',
[ [
{ base:2, generator:'key_string_size', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'key_string_size', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'key_string_size', operation:'insert', mongo_driver_mode: 'ruby' } { base:2, generator:'key_string_size', operation:'insert', mode: 'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'array_size_fixnum insert C versus Ruby', 12, 'mongo_driver_mode', [ 'array_size_fixnum insert C versus Ruby', 12, 'mode',
[ [
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'array_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'ruby' } { base:2, generator:'array_size_fixnum', operation:'insert', mode: 'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'hash_size_fixnum insert C versus Ruby', 12, 'mongo_driver_mode', [ 'hash_size_fixnum insert C versus Ruby', 12, 'mode',
[ [
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'hash_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'ruby' } { base:2, generator:'hash_size_fixnum', operation:'insert', mode: 'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'array_nest_fixnum base 2 insert C versus Ruby', 12, 'mongo_driver_mode', [ 'array_nest_fixnum base 2 insert C versus Ruby', 12, 'mode',
[ [
{ base:2, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode:'c' }, { base:2, generator:'array_nest_fixnum', operation:'insert', mode:'c', tag: 'array_slow' },
{ base:2, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode:'ruby' } { base:2, generator:'array_nest_fixnum', operation:'insert', mode:'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'hash_nest_fixnum base 2 insert C versus Ruby', 12, 'mongo_driver_mode', [ 'hash_nest_fixnum base 2 insert C versus Ruby', 12, 'mode',
[ [
{ base:2, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'ruby' } { base:2, generator:'hash_nest_fixnum', operation:'insert', mode: 'ruby', tag: 'orig_ruby' }
] ]
], ],
[ 'array_nest_fixnum insert C by base', 12, 'base', [ 'array_nest_fixnum insert C by base', 12, 'base',
[ [
{ base:2, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'array_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:4, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:4, generator:'array_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:8, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:8, generator:'array_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:16, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:16, generator:'array_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:32, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' } { base:32, generator:'array_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' }
] ]
], ],
[ 'hash_nest_fixnum insert C by base', 12, 'base', [ 'hash_nest_fixnum insert C by base', 12, 'base',
[ [
{ base:2, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:4, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:4, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:8, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:8, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:16, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:16, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:32, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' } { base:32, generator:'hash_nest_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' }
] ]
], ],
[ 'array_size_fixnum versus hash_size_fixnum insert C', 12, 'generator', [ 'array_size_fixnum slow versus hash_size_fixnum insert C', 12, 'generator',
[ [
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }, { base:2, generator:'array_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' } { base:2, generator:'hash_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' }
]
],
[ 'array_size_fixnum fast versus hash_size_fixnum insert C', 12, 'generator',
[
{ base:2, generator:'array_size_fixnum', operation:'insert', mode: 'c', tag: 'array_fast' },
{ base:2, generator:'hash_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' }
]
],
[ 'array_size_fixnum slow versus fast insert C', 12, 'tag',
[
{ base:2, generator:'array_size_fixnum', operation:'insert', mode: 'c', tag: 'array_slow' },
{ base:2, generator:'array_size_fixnum', operation:'insert', mode: 'c', tag: 'array_fast' }
] ]
] ]
]; ];
@ -142,6 +154,41 @@ $(function () {
doPlot(title, series); doPlot(title, series);
}); });
function showTooltip(x, y, contents) {
$('<div id="tooltip">' + contents + '</div>').css( {
position: 'absolute',
display: 'none',
top: y + 5,
left: x + 5,
border: '1px solid #fdd',
padding: '2px',
'background-color': '#fee',
opacity: 0.80
}).appendTo("body").fadeIn(200);
}
var previousPoint = null;
$('.graph').bind('plothover', function (event, pos, item) {
$("#x").text(pos.x.toFixed(2));
$("#y").text(pos.y.toFixed(2));
if (item) {
if (previousPoint != item.dataIndex) {
previousPoint = item.dataIndex;
$("#tooltip").remove();
var x = item.datapoint[0].toFixed(2),
y = item.datapoint[1].toFixed(2);
showTooltip(item.pageX, item.pageY,
item.series.label + ' [ ' + Math.round(x) + ', ' + Math.round(y) + ' ]');
}
}
else {
$("#tooltip").remove();
previousPoint = null;
}
});
}); });
</script> </script>
</body> </body>

680
bench/exp_series.js
View File

@ -1,274 +1,410 @@
expSeries = [ expSeries = [
{"base":2,"power":0,"size":1,"exp2":0,"generator":"value_string_size","operation":"insert","iterations":128000,"utime":9.65,"etime":0.36,"rtime":11.03,"ops":13264.2,"usec":75.4,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":0,"size":1,"exp2":0,"generator":"value_string_size","operation":"insert","iterations":136533,"utime":10.27,"etime":0.36,"rtime":11.71,"ops":13294.4,"usec":75.2,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":1,"size":2,"exp2":1,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.8,"etime":0.35,"rtime":12.08,"ops":13061.1,"usec":76.6,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":1,"size":2,"exp2":1,"generator":"value_string_size","operation":"insert","iterations":136533,"utime":10.34,"etime":0.34,"rtime":12.93,"ops":13204.4,"usec":75.7,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":2,"size":4,"exp2":2,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.89,"etime":0.36,"rtime":12.21,"ops":12942.3,"usec":77.3,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":2,"size":4,"exp2":2,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.68,"etime":0.37,"rtime":12.26,"ops":13223.0,"usec":75.6,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":3,"size":8,"exp2":3,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.92,"etime":0.36,"rtime":12.42,"ops":12903.1,"usec":77.5,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":3,"size":8,"exp2":3,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.67,"etime":0.35,"rtime":12.21,"ops":13236.7,"usec":75.5,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":4,"size":16,"exp2":4,"generator":"value_string_size","operation":"insert","iterations":120470,"utime":9.38,"etime":0.38,"rtime":11.86,"ops":12843.3,"usec":77.9,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":4,"size":16,"exp2":4,"generator":"value_string_size","operation":"insert","iterations":128000,"utime":9.68,"etime":0.34,"rtime":12.36,"ops":13223.1,"usec":75.6,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":5,"size":32,"exp2":5,"generator":"value_string_size","operation":"insert","iterations":128000,"utime":10.06,"etime":0.37,"rtime":12.69,"ops":12723.7,"usec":78.6,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":5,"size":32,"exp2":5,"generator":"value_string_size","operation":"insert","iterations":128000,"utime":9.7,"etime":0.35,"rtime":12.32,"ops":13195.9,"usec":75.8,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
{"base":2,"power":6,"size":64,"exp2":6,"generator":"value_string_size","operation":"insert","iterations":120470,"utime":9.42,"etime":0.38,"rtime":13.3,"ops":12788.7,"usec":78.2,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":6,"size":64,"exp2":6,"generator":"value_string_size","operation":"insert","iterations":127999,"utime":9.64,"etime":0.36,"rtime":12.5,"ops":13277.9,"usec":75.3,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
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{"base":2,"power":5,"size":32,"exp2":5,"generator":"key_string_size","operation":"insert","iterations":128000,"utime":9.95,"etime":0.37,"rtime":13.1,"ops":12864.3,"usec":77.7,"mongo_driver_mode":"c","hostname":"osprey","osname":"Darwin"}, {"base":2,"power":5,"size":32,"exp2":5,"generator":"key_string_size","operation":"insert","iterations":128000,"utime":9.7,"etime":0.37,"rtime":13.27,"ops":13195.9,"usec":75.8,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1529","tag":"array_slow"},
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{"base":8,"power":2,"size":64,"exp2":6,"generator":"hash_nest_fixnum","operation":"insert","iterations":93090,"utime":9.26,"etime":24.41,"rtime":15.92,"ops":10052.9,"usec":99.5,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":8,"power":3,"size":512,"exp2":9,"generator":"hash_nest_fixnum","operation":"insert","iterations":39384,"utime":10.12,"etime":15.2,"rtime":28.73,"ops":3891.7,"usec":257.0,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":8,"power":4,"size":4096,"exp2":12,"generator":"hash_nest_fixnum","operation":"insert","iterations":7111,"utime":10.13,"etime":5.13,"rtime":11.35,"ops":702.0,"usec":1424.6,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":16,"power":0,"size":1,"exp2":0,"generator":"hash_nest_fixnum","operation":"insert","iterations":97523,"utime":7.54,"etime":0.43,"rtime":18.76,"ops":12934.1,"usec":77.3,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":16,"power":1,"size":16,"exp2":4,"generator":"hash_nest_fixnum","operation":"insert","iterations":127999,"utime":10.62,"etime":2.32,"rtime":48.35,"ops":12052.6,"usec":83.0,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":16,"power":2,"size":256,"exp2":8,"generator":"hash_nest_fixnum","operation":"insert","iterations":60235,"utime":9.62,"etime":31.15,"rtime":17.03,"ops":6261.4,"usec":159.7,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":16,"power":3,"size":4096,"exp2":12,"generator":"hash_nest_fixnum","operation":"insert","iterations":8000,"utime":10.59,"etime":7.73,"rtime":28.12,"ops":755.4,"usec":1323.8,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":16,"power":4,"size":65536,"exp2":16,"generator":"hash_nest_fixnum","operation":"insert","iterations":399,"utime":10.1,"etime":0.98,"rtime":10.97,"ops":39.5,"usec":25313.3,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":32,"power":0,"size":1,"exp2":0,"generator":"hash_nest_fixnum","operation":"insert","iterations":128000,"utime":9.45,"etime":0.37,"rtime":18.33,"ops":13545.0,"usec":73.8,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":32,"power":1,"size":32,"exp2":5,"generator":"hash_nest_fixnum","operation":"insert","iterations":113777,"utime":9.58,"etime":30.4,"rtime":20.14,"ops":11876.5,"usec":84.2,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":32,"power":2,"size":1024,"exp2":10,"generator":"hash_nest_fixnum","operation":"insert","iterations":23272,"utime":8.86,"etime":15.6,"rtime":37.55,"ops":2626.6,"usec":380.7,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
{"base":32,"power":3,"size":32768,"exp2":15,"generator":"hash_nest_fixnum","operation":"insert","iterations":1066,"utime":10.71,"etime":3.81,"rtime":12.28,"ops":99.5,"usec":10046.9,"mode":"c","hostname":"osprey","osname":"Darwin","date":"20120425-1401","tag":"array_fast"},
]; ];

160
bench/exp_series.rb
View File

@ -1,37 +1,57 @@
#!/usr/bin/env ruby #!/usr/bin/env ruby
$LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__)) $LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
def set_mongo_driver_mode(mode) require 'rubygems'
require 'getoptlong'
require 'json'
require 'benchmark'
require 'test-unit'
def set_mode(mode)
case mode case mode
when :c when 'c'
ENV.delete('TEST_MODE') ENV.delete('TEST_MODE')
ENV['C_EXT'] = 'TRUE' ENV['C_EXT'] = 'TRUE'
when :ruby when 'ruby'
ENV['TEST_MODE'] = 'TRUE' ENV['TEST_MODE'] = 'TRUE'
ENV.delete('C_EXT') ENV.delete('C_EXT')
else else
raise 'mode must be :c or :ruby' raise 'mode must be c or ruby'
end end
ENV['MONGO_DRIVER_MODE'] = mode.to_s return mode
end end
$mode = ARGV[0].to_sym if ARGV[0] $description = 'Exploratory/Experimental/Exponential tests for Ruby-driver performance tuning'
set_mongo_driver_mode($mode || :c)
ENV['HOSTNAME'] = `uname -n`[/([^.]*)/,1]
ENV['OSNAME'] = `uname -s`.strip
# Exploratory/Experimental/Exponential tests for performance tuning
require 'rubygems'
require 'test-unit'
require 'json'
require 'mongo'
require 'benchmark'
$calibration_runtime = 0.1 $calibration_runtime = 0.1
$target_runtime = 5.0 $target_runtime = 5.0
$db_name = 'benchmark' $db_name = 'benchmark'
$collection_name = 'exp_series' $collection_name = 'exp_series'
$mode = set_mode('ruby')
$hostname = `uname -n`[/([^.]*)/,1]
$osname = `uname -s`.strip
$tag = `git log -1 --format=oneline`.split[0]
$date = Time.now.strftime('%Y%m%d-%H%M')
options_with_help = [
[ '--help', '-h', GetoptLong::NO_ARGUMENT, '', 'show help' ],
[ '--mode', '-m', GetoptLong::OPTIONAL_ARGUMENT, ' mode', 'set mode to "c" or "ruby" (default)' ],
[ '--tag', '-t', GetoptLong::OPTIONAL_ARGUMENT, ' tag', 'set tag for run, default is git commit key' ]
]
options = options_with_help.collect{|option|option[0...3]}
GetoptLong.new(*options).each do |opt, arg|
case opt
when '--help'
puts "#{$0} -- #{$description}\nusage: #{$0} [options]\noptions:"
options_with_help.each{|option| puts "#{option[0]}#{option[3]}, #{option[1]}#{option[3]}\n\t#{option[4]}"}
exit 0
when '--mode'
$mode = set_mode(arg)
when '--tag'
$tag = arg
end
end
require 'mongo' # must be after option processing
class Hash class Hash
def store_embedded(key, value) def store_embedded(key, value)
@ -70,12 +90,12 @@ class TestExpPerformance < Test::Unit::TestCase
return h return h
end end
def estimate_iterations(db, coll, setup, teardown) def estimate_iterations(db, coll, doc, setup, teardown)
start_time = Time.now start_time = Time.now
iterations = 1 iterations = 1
utime = 0.0 utime = 0.0
while utime <= $calibration_runtime do while utime <= $calibration_runtime do
setup.call(db, coll) setup.call(db, coll, doc, iterations)
btms = Benchmark.measure do btms = Benchmark.measure do
(0...iterations).each do (0...iterations).each do
yield yield
@ -89,23 +109,23 @@ class TestExpPerformance < Test::Unit::TestCase
return [(iterations.to_f * $target_runtime / utime).to_i, etime] return [(iterations.to_f * $target_runtime / utime).to_i, etime]
end end
def measure_iterations(db, coll, setup, teardown, iterations) def measure_iterations(db, coll, doc, setup, teardown, iterations)
setup.call(db, coll) setup.call(db, coll, doc, iterations)
btms = Benchmark.measure { iterations.times { yield } } btms = Benchmark.measure { iterations.times { yield } }
teardown.call(db, coll) teardown.call(db, coll)
return [btms.utime, btms.real] return [btms.utime, btms.real]
end end
def valuate(db, coll, setup, teardown) def valuate(db, coll, doc, setup, teardown)
iterations, etime = estimate_iterations(db, coll, setup, teardown) { yield } iterations, etime = estimate_iterations(db, coll, doc, setup, teardown) { yield }
utime, rtime = measure_iterations(db, coll, setup, teardown, iterations) { yield } utime, rtime = measure_iterations(db, coll, doc, setup, teardown, iterations) { yield }
return [iterations, utime, rtime, etime] return [iterations, utime, rtime, etime]
end end
def power_test(base, max_power, db, coll, generator, setup, operation, teardown) def power_test(base, max_power, db, coll, generator, setup, operation, teardown)
return (0..max_power).collect do |power| return (0..max_power).collect do |power|
size, doc = generator.call(base, power) size, doc = generator.call(base, power)
iterations, utime, rtime, etime = valuate(db, coll, setup, teardown) { operation.call(coll, doc) } iterations, utime, rtime, etime = valuate(db, coll, doc, setup, teardown) { operation.call(coll, doc) }
result = { result = {
'base' => base, 'base' => base,
'power' => power, 'power' => power,
@ -119,11 +139,11 @@ class TestExpPerformance < Test::Unit::TestCase
'rtime' => rtime.round(2), 'rtime' => rtime.round(2),
'ops' => (iterations.to_f / utime.to_f).round(1), 'ops' => (iterations.to_f / utime.to_f).round(1),
'usec' => (1000000.0 * utime.to_f / iterations.to_f).round(1), 'usec' => (1000000.0 * utime.to_f / iterations.to_f).round(1),
'mongo_driver_mode' => ENV['MONGO_DRIVER_MODE'], 'mode' => $mode,
'hostname' => ENV['HOSTNAME'], 'hostname' => $hostname,
'osname' => ENV['OSNAME'], 'osname' => $osname,
# 'git' => git, # thinking 'date' => $date,
# 'datetime' +> Time.now, # thinking 'tag' => $tag,
# 'nbench-int' => nbench.int, # thinking # 'nbench-int' => nbench.int, # thinking
} }
STDERR.puts result.inspect STDERR.puts result.inspect
@ -164,19 +184,46 @@ class TestExpPerformance < Test::Unit::TestCase
return [n, {n.to_s => hash_nest(base, power, n)}] return [n, {n.to_s => hash_nest(base, power, n)}]
end end
def null_setup(db, coll) def null_setup(db, coll, doc, iterations)
end end
def insert(coll, h) def find_one_setup(db, coll, doc, iterations)
h.delete(:_id) # delete :_id to insert insert(coll, doc)
coll.insert(h) # note that insert stores :_id in h and subsequent inserts are updates end
def cursor_setup(db, coll, doc, iterations)
(0...iterations).each{insert(coll, doc)}
@cursor = coll.find
@queries = 1
end
def insert(coll, doc)
doc.delete(:_id) # delete :_id to insert
coll.insert(doc) # note that insert stores :_id in doc and subsequent inserts are updates
end
def find_one(coll, doc)
h = coll.find_one
raise "find_one failed" unless h
end
def cursor_next(coll, doc)
h = @cursor.next
unless h
@cursor = coll.find
@queries += 1
@cursor.next
end
end end
def default_teardown(db, coll) def default_teardown(db, coll)
coll.remove coll.remove
#cmd = Hash.new.store('compact', $collection_name) end
#db.command(cmd)
def cursor_teardown(db, coll)
coll.remove
puts "queries: #{@queries}"
end end
def test_array_nest def test_array_nest
@ -237,6 +284,7 @@ class TestExpPerformance < Test::Unit::TestCase
def test_zzz_exp_blanket def test_zzz_exp_blanket
puts puts
p ({'mode' => $mode , 'hostname' => $hostname, 'osname' => $osname, 'date' => $date, 'tag' => $tag})
puts sys_info puts sys_info
conn = Mongo::Connection.new conn = Mongo::Connection.new
@ -264,7 +312,41 @@ class TestExpPerformance < Test::Unit::TestCase
# synthesized mix, real-world data pending # synthesized mix, real-world data pending
# Read/findOne/find pending # Read/find_one
=begin
[2, 15, :value_string_size, :find_one_setup, :find_one, :default_teardown],
[2, 15, :key_string_size, :find_one_setup, :find_one, :default_teardown],
[2, 14, :array_size_fixnum, :find_one_setup, :find_one, :default_teardown],
[2, 17, :hash_size_fixnum, :find_one_setup, :find_one, :default_teardown],
[2, 12, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown],
[4, 6, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown],
[8, 4, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown],
[16, 3, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown],
[32, 2, :array_nest_fixnum, :find_one_setup, :find_one, :default_teardown],
[2, 15, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown ],
[4, 8, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown ],
[8, 4, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown ],
[16, 4, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown ],
[32, 3, :hash_nest_fixnum, :find_one_setup, :find_one, :default_teardown ],
=end
# Read/find/next
=begin
[2, 15, :value_string_size, :cursor_setup, :cursor_next, :cursor_teardown],
[2, 15, :key_string_size, :cursor_setup, :cursor_next, :cursor_teardown],
[2, 14, :array_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[2, 17, :hash_size_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[2, 12, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[4, 6, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[8, 4, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[16, 3, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[32, 2, :array_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown],
[2, 15, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown ],
[4, 8, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown ],
[8, 4, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown ],
[16, 4, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown ],
[32, 3, :hash_nest_fixnum, :cursor_setup, :cursor_next, :cursor_teardown ],
=end
# Update pending # Update pending
@ -278,7 +360,7 @@ class TestExpPerformance < Test::Unit::TestCase
end end
# consider inserting the results into a database collection # consider inserting the results into a database collection
# Test::Unit::TestCase pollutes STDOUT, so write to a file # Test::Unit::TestCase pollutes STDOUT, so write to a file
File.open("exp_series-#{Time.now.strftime('%Y%m%d-%H%M')}.js", 'w'){|f| File.open("exp_series-#{$date}-#{$tag}.js", 'w'){|f|
f.puts("#{results.to_json.gsub(/\[/, "").gsub(/(}[\],])/, "},\n")}") f.puts("#{results.to_json.gsub(/\[/, "").gsub(/(}[\],])/, "},\n")}")
} }

44
ext/cbson/cbson.c
View File

@ -139,38 +139,14 @@ static void write_utf8(bson_buffer_t buffer, VALUE string, char check_null) {
#define EXTENDED RE_OPTION_EXTENDED #define EXTENDED RE_OPTION_EXTENDED
#endif #endif
/* TODO we ought to check that the malloc or asprintf was successful /* TODO review malloc versus Ruby Enterprise Edition with tcmalloc */
* and raise an exception if not. */ /* TODO we ought to check that the malloc was successful and raise an exception if not. */
/* TODO maybe we can use something more portable like vsnprintf instead
* of this hack. And share it with the Python extension ;) */
/* If we don't have ASPRINTF, there are two possibilities:
* either use _scprintf and _snprintf on for Windows or
* use snprintf for solaris. */
#ifndef HAVE_ASPRINTF
#ifdef _WIN32 || _MSC_VER #ifdef _WIN32 || _MSC_VER
#define INT2STRING(buffer, i) \ #define SCINT(i) (_scprintf("%d", i) + 1)
{ \ #define SNPRINTF _snprintf
int vslength = _scprintf("%d", i) + 1; \
*buffer = malloc(vslength); \
_snprintf(*buffer, vslength, "%d", i); \
}
#define FREE_INTSTRING(buffer) free(buffer)
#else #else
#define INT2STRING(buffer, i) \ #define SCINT(i) (snprintf(NULL, 0, "%d", i) + 1)
{ \ #define SNPRINTF snprintf
int vslength = snprintf(NULL, 0, "%d", i) + 1; \
*buffer = malloc(vslength); \
snprintf(*buffer, vslength, "%d", i); \
}
#define FREE_INTSTRING(buffer) free(buffer)
#endif
#else
#define INT2STRING(buffer, i) asprintf(buffer, "%d", i);
#ifdef USING_SYSTEM_ALLOCATOR_LIBRARY /* Ruby Enterprise Edition with tcmalloc */
#define FREE_INTSTRING(buffer) system_free(buffer)
#else
#define FREE_INTSTRING(buffer) free(buffer)
#endif
#endif #endif
#ifndef RREGEXP_SRC #ifndef RREGEXP_SRC
@ -312,15 +288,15 @@ static int write_element(VALUE key, VALUE value, VALUE extra, int allow_id) {
} }
items = RARRAY_LENINT(value); items = RARRAY_LENINT(value);
int vslength = SCINT(items);
char* name = malloc(vslength);
for(i = 0; i < items; i++) { for(i = 0; i < items; i++) {
char* name;
VALUE key; VALUE key;
INT2STRING(&name, i); SNPRINTF(name, vslength, "%d", i);
key = rb_str_new2(name); key = rb_str_new2(name);
write_element_with_id(key, rb_ary_entry(value, i), pack_extra(buffer, check_keys)); write_element_with_id(key, rb_ary_entry(value, i), pack_extra(buffer, check_keys));
FREE_INTSTRING(name);
} }
free(name);
// write null byte and fill in length // write null byte and fill in length
SAFE_WRITE(buffer, &zero, 1); SAFE_WRITE(buffer, &zero, 1);
obj_length = bson_buffer_get_position(buffer) - start_position; obj_length = bson_buffer_get_position(buffer) - start_position;