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[Gary] profiling for both C and Ruby

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This commit is contained in:
Gary Murakami 2012-04-16 17:28:48 -04:00
parent 52cbaa689f
commit ba0de1bc26
5 changed files with 429 additions and 200 deletions
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1
Gemfile
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@ -16,6 +16,7 @@ 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/
# Java # Java
platforms :jruby do platforms :jruby do

78
bench/exp_series.html
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@ -27,16 +27,22 @@
<div id="placeholder"></div> <div id="placeholder"></div>
<script type="text/javascript"> <script type="text/javascript">
function genOpXY(a, xMax, base, gen, op, xKey, yKey) { function genOpXY(a, xMax, plotSpec, xKey, yKey) {
var genOpA = $.grep(a, function(e, i){return (e.exp2 <= xMax && e.base == base && e.generator == gen && e.operation == op);}); var genOpA = $.grep(a, function(e, i){
if (e.exp2 > xMax) return false;
for (var key in plotSpec) {
if (e[key] != plotSpec[key]) return false;
}
return true;
});
return $.map(genOpA, function(e, i){return [[e[xKey], e[yKey]]];}); return $.map(genOpA, function(e, i){return [[e[xKey], e[yKey]]];});
} }
function flotSeries(expSeries, xMax, a) { function flotSeries(expSeries, xMax, plotSpecs) {
return $.map(a, function(e, i){ return $.map(plotSpecs, function(plotSpec, i){
var base = e[0]; gen = e[1]; var op = e[2]; var base = plotSpec.base; var gen = plotSpec.generator; var op = plotSpec.operation;
return { return {
label: gen + '-' + base, label: gen + '-' + base,
data: genOpXY(expSeries, xMax, base, gen, op, 'exp2', 'ops'), data: genOpXY(expSeries, xMax, plotSpec, 'exp2', 'ops'),
lines: { show: true }, lines: { show: true },
points: { show: true } points: { show: true }
}; };
@ -66,50 +72,56 @@ $(function () {
// comment pending // comment pending
var graph = [ var graph = [
[ 'value_string_size insert', 14, [ [ 'value_string_size insert C', 14,
[2, 'value_string_size', 'insert'] [
{ base:2, generator:'value_string_size', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'key_string_size insert', 14, [ [ 'key_string_size insert C', 14,
[2, 'key_string_size', 'insert'] [
{ base:2, generator:'key_string_size', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'array_size_fixnum insert', 12, [ [ 'array_size_fixnum insert C', 12,
[2, 'array_size_fixnum', 'insert'] [
{ base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'hash_size_fixnum insert', 12, [ [ 'hash_size_fixnum insert C', 12,
[2, 'hash_size_fixnum', 'insert'] [
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'array_nest_fixnum insert', 12, [ [ 'array_nest_fixnum insert C', 12,
[2, 'array_nest_fixnum', 'insert'], [
[4, 'array_nest_fixnum', 'insert'], { base:2, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[8, 'array_nest_fixnum', 'insert'], { base:4, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[16, 'array_nest_fixnum', 'insert'], { base:8, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[32, 'array_nest_fixnum', 'insert'] { base:16, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:32, generator:'array_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'hash_nest_fixnum insert', 12, [ [ 'hash_nest_fixnum insert C', 12,
[2, 'hash_nest_fixnum', 'insert'], [
[4, 'hash_nest_fixnum', 'insert'], { base:2, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[8, 'hash_nest_fixnum', 'insert'], { base:4, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[16, 'hash_nest_fixnum', 'insert'], { base:8, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
[32, 'hash_nest_fixnum', 'insert'] { base:16, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:32, generator:'hash_nest_fixnum', operation:'insert', mongo_driver_mode: 'c' }
] ]
], ],
[ 'compare array_size_fixnum hash_size_fixnum insert', 12, [ [ 'compare array_size_fixnum hash_size_fixnum insert C', 12,
[2, 'array_size_fixnum', 'insert'], [
[2, 'hash_size_fixnum', 'insert'] { base:2, generator:'array_size_fixnum', operation:'insert', mongo_driver_mode: 'c' },
{ base:2, generator:'hash_size_fixnum', operation:'insert', mongo_driver_mode: 'c' }
]
] ]
],
]; ];
$.each(graph, function(i, e){ $.each(graph, function(i, e){
var title = e[0]; var title = e[0];
var xMax = e[1]; var xMax = e[1];
var baseSeriesGenOp = e[2]; var plotSpecs = e[2];
var series = flotSeries(expSeries, xMax, baseSeriesGenOp); var series = flotSeries(expSeries, xMax, plotSpecs);
doPlot(title, series); doPlot(title, series);
}); });

409
bench/exp_series.js
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@ -1,137 +1,274 @@
expSeries = [ expSeries = [
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];

109
bench/exp_series.rb
View File

@ -1,7 +1,24 @@
#!/usr/bin/env ruby #!/usr/bin/env ruby
$LOAD_PATH[0, 0] = File.join(File.dirname(__FILE__), '..', 'lib') $LOAD_PATH.unshift(File.expand_path("../../lib", __FILE__))
#
# review load path def set_mongo_driver_mode(mode)
case mode
when :c
ENV.delete('TEST_MODE')
ENV['C_EXT'] = 'TRUE'
when :ruby
ENV['TEST_MODE'] = 'TRUE'
ENV.delete('C_EXT')
else
raise 'mode must be :c or :ruby'
end
ENV['MONGO_DRIVER_MODE'] = mode.to_s
end
$mode = ARGV[0].to_sym if ARGV[0]
set_mongo_driver_mode($mode || :c)
ENV['HOSTNAME'] = `uname -n`[/([^.]*)/,1]
ENV['OSNAME'] = `uname -s`.strip
# Exploratory/Experimental/Exponential tests for performance tuning # Exploratory/Experimental/Exponential tests for performance tuning
@ -13,8 +30,31 @@ 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'
class Hash
def store_embedded(key, value)
case key
when /([^.]*)\.(.*)/
store($1, Hash.new) unless fetch($1, nil)
self[$1].store_embedded($2, value)
else
store(key, value)
end
end
end
def sys_info
h = Hash.new
if FileTest.executable?('/usr/sbin/sysctl')
text = `/usr/sbin/sysctl -a kern.ostype kern.version kern.hostname hw.machine hw.model hw.cputype hw.busfrequency hw.cpufrequency`
values = text.split(/\n/).collect{|line| /([^:]*) *[:=] *(.*)/.match(line)[1..2]}
h = Hash.new
values.each{|key, value| h.store_embedded(key, value) }
end
return h
end
class TestExpPerformance < Test::Unit::TestCase class TestExpPerformance < Test::Unit::TestCase
@ -67,22 +107,24 @@ class TestExpPerformance < Test::Unit::TestCase
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, setup, teardown) { operation.call(coll, doc) }
result = { result = {
"base" => base, 'base' => base,
"power" => power, 'power' => power,
"size" => size, 'size' => size,
"exp2" => Math.log2(size).to_i, 'exp2' => Math.log2(size).to_i,
"generator" => generator.name.to_s, 'generator' => generator.name.to_s,
"operation" => operation.name.to_s, 'operation' => operation.name.to_s,
"iterations" => iterations, 'iterations' => iterations,
"utime" => utime.round(2), 'utime' => utime.round(2),
"etime" => etime.round(2), 'etime' => etime.round(2),
"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),
# "git" => git, # thinking 'mongo_driver_mode' => ENV['MONGO_DRIVER_MODE'],
# "datetime" +> Time.now, # thinking 'hostname' => ENV['HOSTNAME'],
# "hostname" => hostname, # thinking 'osname' => ENV['OSNAME'],
# "nbench-int" => nbench.int, # thinking # 'git' => git, # thinking
# 'datetime' +> Time.now, # thinking
# 'nbench-int' => nbench.int, # thinking
} }
STDERR.puts result.inspect STDERR.puts result.inspect
STDERR.flush STDERR.flush
@ -92,19 +134,19 @@ class TestExpPerformance < Test::Unit::TestCase
def value_string_size(base, power) def value_string_size(base, power)
n = base ** power n = base ** power
return [n, {n.to_s => ("*" * n)}] return [n, {n.to_s => ('*' * n)}]
end end
def key_string_size(base, power) def key_string_size(base, power)
n = base ** power n = base ** power
return [n, {("*" * n) => n}] return [n, {('*' * n) => n}]
end end
def hash_size_fixnum(base, power) def hash_size_fixnum(base, power)
n = base ** power n = base ** power
h = Hash.new h = Hash.new
(0...n).each { |i| h[i.to_s] = i } (0...n).each { |i| h[i.to_s] = i }
return [n, h] return [n, {n.to_s => h}] # embedded like array_size_fixnum
end end
def array_size_fixnum(base, power) def array_size_fixnum(base, power)
@ -166,10 +208,14 @@ class TestExpPerformance < Test::Unit::TestCase
end end
# Performance Tuning Engineering # Performance Tuning Engineering
## Completed
### How to measure and compare pure Ruby versus C extension performance
## Current Work Items
### Profiling of C extension
## Overall Strategy ## Overall Strategy
### Prioritize/Review Ruby 1.9.3, Ruby 1.8.7, JRuby 1.6.7 ### Prioritize/Review Ruby 1.9.3, JRuby 1.6.7, Ruby 1.8.7
### Run spectrum of exploratory performance tests ### Run spectrum of exploratory performance tests
### Graph results, probably with gnuplot, with HTML wrapper ### Graph results with flot in HTML wrapper - http://code.google.com/p/flot/
### Select test for profiling ### Select test for profiling
### Find where time is being spent ### Find where time is being spent
### Construct specific performance test ### Construct specific performance test
@ -185,9 +231,14 @@ class TestExpPerformance < Test::Unit::TestCase
### Knowledge of Ruby driver and techniques ### Knowledge of Ruby driver and techniques
### Perhaps architecture and design improvements ### Perhaps architecture and design improvements
### Lessons transferable to other drivers ### Lessons transferable to other drivers
## HW Info
### Linux - /proc/cpuinfo
### Mac OS X - sysctl -a hw
def test_zzz_exp_blanket def test_zzz_exp_blanket
puts puts
puts sys_info
conn = Mongo::Connection.new conn = Mongo::Connection.new
conn.drop_database($db_name) conn.drop_database($db_name)
db = conn.db($db_name) db = conn.db($db_name)
@ -222,13 +273,13 @@ class TestExpPerformance < Test::Unit::TestCase
] ]
results = [] results = []
tests.each do |base, max_power, generator, setup, operation, teardown| tests.each do |base, max_power, generator, setup, operation, teardown|
# consider moving "method" as permitted by scope # consider moving 'method' as permitted by scope
results += power_test(base, max_power, db, coll, method(generator), method(setup), method(operation), method(teardown)) results += power_test(base, max_power, db, coll, method(generator), method(setup), method(operation), method(teardown))
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.js", "w"){|f| File.open("exp_series-#{Time.now.strftime('%Y%m%d-%H%M')}.js", 'w'){|f|
f.puts("expSeries = #{results.to_json.gsub(/(\[|},)/, "\\1\n")};") f.puts("#{results.to_json.gsub(/\[/, "").gsub(/(}[\],])/, "},\n")}")
} }
conn.drop_database($db_name) conn.drop_database($db_name)

32
bench/profile_array.rb
View File

@ -1,10 +1,28 @@
#!/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)
case mode
when :c
ENV.delete('TEST_MODE')
ENV['C_EXT'] = 'TRUE'
when :ruby
ENV['TEST_MODE'] = 'TRUE'
ENV.delete('C_EXT')
else
raise 'mode must be :c or :ruby'
end
ENV['MONGO_DRIVER_MODE'] = mode.to_s
end
$mode = ARGV[0].to_sym if ARGV[0]
set_mongo_driver_mode($mode || :c)
require 'rubygems' require 'rubygems'
require 'mongo' require 'mongo'
require 'benchmark' require 'benchmark'
require 'ruby-prof' require 'ruby-prof'
require 'perftools'
def array_size_fixnum(base, power) def array_size_fixnum(base, power)
n = base ** power n = base ** power
@ -21,7 +39,7 @@ def insert(coll, h)
coll.insert(h) # note that insert stores :_id in h and subsequent inserts are updates coll.insert(h) # note that insert stores :_id in h and subsequent inserts are updates
end end
def profile(iterations) def ruby_prof(iterations)
RubyProf.start RubyProf.start
puts Benchmark.measure { puts Benchmark.measure {
iterations.times { yield } iterations.times { yield }
@ -37,6 +55,15 @@ def profile(iterations)
printer.print(STDOUT, {}) printer.print(STDOUT, {})
end end
def perftools(iterations)
profile_file_name = "/tmp/profile_array.perftools"
PerfTools::CpuProfiler.start(profile_file_name) do
iterations.times { yield }
end
cmd = "pprof.rb --ignore=IO --text \"#{profile_file_name}\""
system(cmd)
end
conn = Mongo::Connection.new conn = Mongo::Connection.new
db = conn['benchmark'] db = conn['benchmark']
@ -46,7 +73,8 @@ coll.remove
puts "coll.count: #{coll.count}" puts "coll.count: #{coll.count}"
n, doc = array_size_fixnum(2, 6) n, doc = array_size_fixnum(2, 6)
profile(1000) { insert(coll, doc) } ruby_prof(1000) { insert(coll, doc) }
#perftools(10000) { insert(coll, doc) }
puts "coll.count: #{coll.count}" puts "coll.count: #{coll.count}"
coll.remove coll.remove