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memory benchmarks
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s = "foo " | |
require 'heap-profiler' | |
HeapProfiler.report('prof') do | |
1000000.times { | |
s.gsub(/ (\s+)/) { " #{' ' * Regexp.last_match(1).length}" } | |
} | |
end |
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ruby 2.7.7p221 (2022-11-24 revision 168ec2b1e5) [x86_64-linux] | |
--- | |
Total allocated: 776.00 MB (9000002 objects) | |
Total retained: 584.00 B (5 objects) | |
allocated memory by gem | |
----------------------------------- | |
776.00 MB other | |
allocated memory by file | |
----------------------------------- | |
776.00 MB ../a.rb | |
allocated memory by location | |
----------------------------------- | |
776.00 MB ../a.rb:6 | |
allocated memory by class | |
----------------------------------- | |
608.00 MB String | |
168.00 MB MatchData | |
40.00 B <svar> (IMEMO) | |
allocated objects by gem | |
----------------------------------- | |
9000002 other | |
allocated objects by file | |
----------------------------------- | |
9000002 ../a.rb | |
allocated objects by location | |
----------------------------------- | |
9000002 ../a.rb:6 | |
allocated objects by class | |
----------------------------------- | |
8000000 String | |
1000001 MatchData | |
1 <svar> (IMEMO) | |
retained memory by gem | |
----------------------------------- | |
584.00 B other | |
retained memory by file | |
----------------------------------- | |
584.00 B ../a.rb | |
retained memory by location | |
----------------------------------- | |
584.00 B ../a.rb:6 | |
retained memory by class | |
----------------------------------- | |
336.00 B Hash | |
168.00 B MatchData | |
40.00 B String | |
40.00 B <svar> (IMEMO) | |
retained objects by gem | |
----------------------------------- | |
5 other | |
retained objects by file | |
----------------------------------- | |
5 ../a.rb | |
retained objects by location | |
----------------------------------- | |
5 ../a.rb:6 | |
retained objects by class | |
----------------------------------- | |
2 Hash | |
1 String | |
1 MatchData | |
1 <svar> (IMEMO) | |
Allocated String Report | |
----------------------------------- | |
80.00 MB 2000000 "foo " | |
2000000 ../a.rb:6 | |
168.00 MB 1000000 "foo " | |
1000000 ../a.rb:6 | |
119.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
121.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
Retained String Report | |
----------------------------------- | |
40.00 B 1 "foo " | |
1 ../a.rb:6 |
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ruby 3.3.1 (2024-04-23 revision c56cd86388) [x86_64-linux] | |
--- | |
Total allocated: 1.13 GB (10000012 objects) | |
Total retained: 880.00 B (17 objects) | |
allocated memory by gem | |
----------------------------------- | |
1.13 GB other | |
320.00 B heap-profiler-0.7.0 | |
allocated memory by file | |
----------------------------------- | |
1.13 GB ../a.rb | |
320.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb | |
allocated memory by location | |
----------------------------------- | |
1.13 GB ../a.rb:6 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:58 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:53 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:52 | |
40.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:81 | |
40.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:57 | |
allocated memory by class | |
----------------------------------- | |
792.00 MB String | |
336.00 MB MatchData | |
240.00 B <callcache> (IMEMO) | |
200.00 B <constcache> (IMEMO) | |
40.00 B <svar> (IMEMO) | |
allocated objects by gem | |
----------------------------------- | |
10000004 other | |
8 heap-profiler-0.7.0 | |
allocated objects by file | |
----------------------------------- | |
10000004 ../a.rb | |
8 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb | |
allocated objects by location | |
----------------------------------- | |
10000004 ../a.rb:6 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:58 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:53 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:52 | |
1 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:81 | |
1 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:57 | |
allocated objects by class | |
----------------------------------- | |
8000000 String | |
2000000 MatchData | |
6 <callcache> (IMEMO) | |
5 <constcache> (IMEMO) | |
1 <svar> (IMEMO) | |
retained memory by gem | |
----------------------------------- | |
560.00 B other | |
320.00 B heap-profiler-0.7.0 | |
retained memory by file | |
----------------------------------- | |
560.00 B ../a.rb | |
320.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb | |
retained memory by location | |
----------------------------------- | |
560.00 B ../a.rb:6 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:58 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:53 | |
80.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:52 | |
40.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:81 | |
40.00 B heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:57 | |
retained memory by class | |
----------------------------------- | |
280.00 B <callcache> (IMEMO) | |
240.00 B <constcache> (IMEMO) | |
168.00 B MatchData | |
80.00 B String | |
72.00 B Thread::Mutex | |
40.00 B <svar> (IMEMO) | |
retained objects by gem | |
----------------------------------- | |
9 other | |
8 heap-profiler-0.7.0 | |
retained objects by file | |
----------------------------------- | |
9 ../a.rb | |
8 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb | |
retained objects by location | |
----------------------------------- | |
9 ../a.rb:6 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:58 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:53 | |
2 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:52 | |
1 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:81 | |
1 heap-profiler-0.7.0/lib/heap_profiler/reporter.rb:57 | |
retained objects by class | |
----------------------------------- | |
7 <callcache> (IMEMO) | |
6 <constcache> (IMEMO) | |
1 Thread::Mutex | |
1 String | |
1 MatchData | |
1 <svar> (IMEMO) | |
Allocated String Report | |
----------------------------------- | |
160.00 MB 2000000 "foo " | |
2000000 ../a.rb:6 | |
192.00 MB 1000000 "foo " | |
1000000 ../a.rb:6 | |
160.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
160.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
40.00 MB 1000000 " " | |
1000000 ../a.rb:6 | |
Retained String Report | |
----------------------------------- | |
80.00 B 1 "foo " | |
1 ../a.rb:6 |
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