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 36 4 10 12.0 18.1 476,751 1,282 6 406,604 5 203,302 osh-native
parse.configure-cpython 33 4 10 12.0 17.7 476,751 1,282 6 406,200 5 203,100 osh-native-souffle
parse.configure-coreutils 173 27 85 44.5 49.8 1,653,339 4,764 12 1,025,526 6 764,306 osh-native
parse.configure-coreutils 140 24 64 44.5 49.4 1,653,338 4,764 12 1,025,396 6 764,241 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,942 180 2 75,030 1 37,515 osh-native
parse.abuild 9 1 2 2.4 7.9 101,942 180 3 87,092 1 43,546 osh-native-souffle
ex.compute-fib 28 0 2 2.1 8.0 579,606 22,608 12 50,000 0 2,919 osh-native
ex.compute-fib 21 0 2 2.1 7.6 579,606 22,608 12 50,000 0 2,858 osh-native-souffle
ex.bashcomp-parse-help 182 0 4 10.8 8.8 1,006,005 15,258 21 50,000 0 3,919 osh-native
ex.bashcomp-parse-help 176 0 4 10.8 8.4 1,006,004 15,258 21 50,000 0 3,842 osh-native-souffle
ex.abuild-print-help 23 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 8.5 116,318 277 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 6 0 1.6 dash -
24 22 2 3.0 bash -
100 57 49 3.3 zsh -
16 11 5 28.1 bumpleak/osh mut
19 16 3 29.2 _bin/cxx-opt+bumproot/osh mut
22 19 3 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 20 10 25.2 osh-native mut+alloc
31 19 13 25.7 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
37 28 9 18.1 osh-native mut+alloc+free+gc+exit
42 32 10 32.5 _bin/cxx-opt+nopool/osh mut+alloc
52 42 10 22.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
26 21 5 24.6 osh-native-souffle mut+alloc
28 14 14 25.4 osh-native-souffle mut+alloc+free
33 27 6 17.7 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 21 0 1.6 dash -
80 78 2 3.1 bash -
360 206 175 3.5 zsh -
48 39 9 84.2 bumpleak/osh mut
59 48 11 84.5 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 66 31 73.6 osh-native mut+alloc
105 67 38 75.4 osh-native mut+alloc+free
173 145 27 49.8 osh-native mut+alloc+free+gc
165 148 17 50.5 osh-native mut+alloc+free+gc+exit
138 90 48 98.9 _bin/cxx-opt+nopool/osh mut+alloc
237 212 25 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 60 28 73.3 osh-native-souffle mut+alloc
96 64 32 75.0 osh-native-souffle mut+alloc+free
140 125 15 49.4 osh-native-souffle mut+alloc+free+gc
161 139 22 50.2 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 2 0 1.4 dash -
5 4 1 2.9 bash -
7 3 4 3.3 zsh -
6 3 2 12.1 bumpleak/osh mut
7 6 1 11.1 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.0 osh-native mut+alloc
8 5 3 10.2 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.4 osh-native mut+alloc+free+gc+exit
12 7 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 3 9.6 osh-native-souffle mut+alloc
8 4 4 9.7 osh-native-souffle mut+alloc+free
9 6 3 7.9 osh-native-souffle mut+alloc+free+gc
9 7 2 7.9 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
11 10 1 1.4 dash -
28 27 1 2.9 bash -
23 14 9 3.3 zsh -
18 14 4 30.8 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 23 5 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 23 15 26.3 osh-native mut+alloc
38 29 9 26.6 osh-native mut+alloc+free
28 26 2 8.0 osh-native mut+alloc+free+gc
28 26 2 7.9 osh-native mut+alloc+free+gc+exit
54 36 18 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 35 3 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 22 7 25.8 osh-native-souffle mut+alloc
31 21 10 26.2 osh-native-souffle mut+alloc+free
21 18 4 7.6 osh-native-souffle mut+alloc+free+gc
22 17 5 7.5 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
74 70 4 3.1 bash -
166 113 53 55.9 bumpleak/osh mut
179 135 44 57.2 _bin/cxx-opt+bumproot/osh mut
193 135 58 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 141 71 48.1 osh-native mut+alloc
217 144 73 50.0 osh-native mut+alloc+free
182 124 58 8.8 osh-native mut+alloc+free+gc
183 126 57 8.8 osh-native mut+alloc+free+gc+exit
234 148 86 63.9 _bin/cxx-opt+nopool/osh mut+alloc
215 168 48 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
208 122 86 47.6 osh-native-souffle mut+alloc
213 146 67 49.3 osh-native-souffle mut+alloc+free
176 123 53 8.4 osh-native-souffle mut+alloc+free+gc
175 120 55 8.3 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 10 9 4.3 bash -
17 6 11 3.5 zsh -
19 5 14 12.3 bumpleak/osh mut
21 10 11 13.0 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 11.0 osh-native mut+alloc
23 8 15 11.1 osh-native mut+alloc+free
23 11 13 9.0 osh-native mut+alloc+free+gc
23 11 13 9.2 osh-native mut+alloc+free+gc+exit
25 11 15 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 10 11 10.5 osh-native-souffle mut+alloc
21 9 13 10.7 osh-native-souffle mut+alloc+free
21 11 10 8.5 osh-native-souffle mut+alloc+free+gc
22 11 11 8.4 osh-native-souffle mut+alloc+free+gc+exit