Memory Management Overhead

Source code: oil/benchmarks/gc.sh

GC Stats

task elapsed ms max gc millis total gc millis allocated MB max rss MB num allocated num gc points num gc done gc threshold num growths max survived shell label
parse.configure-cpython 35 3 9 12.0 17.7 476,751 1,282 6 406,604 5 203,302 osh-native
parse.configure-cpython 33 3 10 12.0 17.6 476,751 1,282 6 406,200 5 203,100 osh-native-souffle
parse.configure-coreutils 144 22 58 44.5 49.8 1,653,339 4,764 12 1,025,526 6 764,306 osh-native
parse.configure-coreutils 136 24 61 44.5 49.5 1,653,338 4,764 12 1,025,396 6 764,241 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,942 180 2 75,030 1 37,515 osh-native
parse.abuild 9 1 2 2.4 7.7 101,942 180 3 87,092 1 43,546 osh-native-souffle
ex.compute-fib 29 0 1 2.2 8.0 579,606 22,608 12 50,000 0 2,919 osh-native
ex.compute-fib 22 0 2 2.2 7.6 579,606 22,608 12 50,000 0 2,858 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.9 8.8 1,017,204 15,258 21 50,000 0 3,900 osh-native
ex.bashcomp-parse-help 175 0 4 10.9 8.3 1,017,203 15,258 21 50,000 0 3,851 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,318 277 3 85,248 1 42,624 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,318 277 3 85,124 1 42,562 osh-native-souffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 5 1 1.6 dash -
23 22 1 3.1 bash -
100 50 57 3.4 zsh -
16 13 3 29.4 bumpleak/osh mut
20 18 2 28.6 _bin/cxx-opt+bumproot/osh mut
22 17 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 8 25.3 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 30 5 17.7 osh-native mut+alloc+free+gc
36 30 6 18.1 osh-native mut+alloc+free+gc+exit
42 28 14 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 41 7 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 19 7 24.9 osh-native-souffle mut+alloc
29 16 13 25.3 osh-native-souffle mut+alloc+free
33 28 4 17.6 osh-native-souffle mut+alloc+free+gc
34 27 7 17.7 osh-native-souffle mut+alloc+free+gc+exit

parse.configure-coreutils

Parsing the autoconf-generated configure script from GNU coreutils.

Note that unlike other shells, osh -n retains all nodes on purpose. (See the parser benchmark).

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
21 20 1 1.6 dash -
78 77 1 3.1 bash -
362 199 185 3.5 zsh -
49 41 9 85.0 bumpleak/osh mut
60 53 7 84.9 _bin/cxx-opt+bumproot/osh mut
71 57 14 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 28 73.5 osh-native mut+alloc
102 73 29 75.4 osh-native mut+alloc+free
144 125 19 49.8 osh-native mut+alloc+free+gc
153 127 26 50.5 osh-native mut+alloc+free+gc+exit
139 91 47 98.9 _bin/cxx-opt+nopool/osh mut+alloc
203 177 26 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 65 23 73.0 osh-native-souffle mut+alloc
94 65 29 75.0 osh-native-souffle mut+alloc+free
136 109 27 49.5 osh-native-souffle mut+alloc+free+gc
149 125 24 50.1 osh-native-souffle mut+alloc+free+gc+exit

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.3 dash -
5 4 1 3.0 bash -
7 3 4 3.3 zsh -
5 3 2 11.6 bumpleak/osh mut
7 5 2 12.0 _bin/cxx-opt+bumproot/osh mut
7 5 2 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 5 9.8 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 4 5 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 7 5 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 3 5 9.7 osh-native-souffle mut+alloc
8 6 2 10.0 osh-native-souffle mut+alloc+free
9 5 4 7.7 osh-native-souffle mut+alloc+free+gc
9 7 2 8.0 osh-native-souffle mut+alloc+free+gc+exit

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
10 8 2 1.4 dash -
28 27 1 2.9 bash -
23 19 4 3.3 zsh -
18 13 5 31.3 bumpleak/osh mut
26 20 6 32.6 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 12 26.2 osh-native mut+alloc
39 26 13 26.6 osh-native mut+alloc+free
29 26 3 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 44 9 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 16 14 25.8 osh-native-souffle mut+alloc
31 20 11 26.2 osh-native-souffle mut+alloc+free
22 21 1 7.6 osh-native-souffle mut+alloc+free+gc
21 17 4 7.6 osh-native-souffle mut+alloc+free+gc+exit

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
72 68 4 3.1 bash -
166 109 57 56.9 bumpleak/osh mut
182 121 61 56.9 _bin/cxx-opt+bumproot/osh mut
196 130 65 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 142 70 48.7 osh-native mut+alloc
221 143 78 50.6 osh-native mut+alloc+free
182 123 59 8.8 osh-native mut+alloc+free+gc
181 135 46 8.9 osh-native mut+alloc+free+gc+exit
233 152 81 64.4 _bin/cxx-opt+nopool/osh mut+alloc
210 165 45 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
200 124 76 48.2 osh-native-souffle mut+alloc
209 136 73 50.2 osh-native-souffle mut+alloc+free
175 128 47 8.3 osh-native-souffle mut+alloc+free+gc
175 123 52 8.4 osh-native-souffle mut+alloc+free+gc+exit

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 5 4 3.5 dash -
19 14 6 4.3 bash -
17 9 8 3.5 zsh -
19 7 12 12.5 bumpleak/osh mut
19 9 10 12.4 _bin/cxx-opt+bumproot/osh mut
21 10 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 9 13 11.0 osh-native mut+alloc
22 10 13 11.1 osh-native mut+alloc+free
22 11 11 9.0 osh-native mut+alloc+free+gc
22 11 12 9.0 osh-native mut+alloc+free+gc+exit
24 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
19 9 11 10.5 osh-native-souffle mut+alloc
21 12 9 10.7 osh-native-souffle mut+alloc+free
21 12 10 8.7 osh-native-souffle mut+alloc+free+gc
22 10 12 8.7 osh-native-souffle mut+alloc+free+gc+exit