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 12.1 18.0 476,737 1,282 6 409,280 5 204,640 osh-native
parse.configure-cpython 32 3 9 12.0 17.6 476,737 1,282 6 408,780 5 204,390 osh-native-souffle
parse.configure-coreutils 159 22 73 41.1 45.9 1,653,325 4,764 12 1,591,962 7 795,981 osh-native
parse.configure-coreutils 143 25 67 44.6 49.6 1,653,324 4,764 12 1,030,664 6 769,416 osh-native-souffle
parse.abuild 9 1 1 2.6 8.5 101,928 180 2 75,252 1 37,626 osh-native
parse.abuild 8 1 1 2.6 8.3 101,928 180 2 75,122 1 37,561 osh-native-souffle
ex.compute-fib 28 0 1 2.4 8.0 584,193 22,608 12 50,000 0 2,903 osh-native
ex.compute-fib 22 0 1 2.4 7.3 584,193 22,608 12 50,000 0 2,841 osh-native-souffle
ex.bashcomp-parse-help 184 0 3 10.3 8.8 995,274 12,911 21 50,000 0 3,891 osh-native
ex.bashcomp-parse-help 176 0 3 10.3 8.4 995,273 12,911 21 50,000 0 3,831 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,343 270 3 85,488 1 42,744 osh-native
ex.abuild-print-help 21 1 2 2.8 8.5 116,343 270 3 85,364 1 42,682 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 1.4 dash -
23 23 0 3.0 bash -
105 56 55 3.4 zsh -
16 12 4 29.7 bumpleak/osh mut
20 15 5 28.3 _bin/cxx-opt+bumproot/osh mut
22 7 15 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 24 12 18.2 osh-native mut+alloc+free+gc+exit
44 28 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 18 9 24.8 osh-native-souffle mut+alloc
28 24 4 25.2 osh-native-souffle mut+alloc+free
32 24 8 17.6 osh-native-souffle mut+alloc+free+gc
34 26 7 17.6 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
22 21 0 1.6 dash -
78 78 0 3.3 bash -
376 202 196 3.5 zsh -
48 40 8 83.9 bumpleak/osh mut
60 52 8 84.9 _bin/cxx-opt+bumproot/osh mut
72 63 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 65 32 73.6 osh-native mut+alloc
106 78 27 75.4 osh-native mut+alloc+free
159 135 24 45.9 osh-native mut+alloc+free+gc
165 156 8 46.1 osh-native mut+alloc+free+gc+exit
139 91 47 97.9 _bin/cxx-opt+nopool/osh mut+alloc
225 178 47 62.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
87 44 44 72.8 osh-native-souffle mut+alloc
96 56 40 74.9 osh-native-souffle mut+alloc+free
143 115 28 49.6 osh-native-souffle mut+alloc+free+gc
144 120 24 50.3 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 -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.5 bumpleak/osh mut
7 7 0 11.1 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.6 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 8 0 9.8 osh-native-souffle mut+alloc
8 8 0 9.8 osh-native-souffle mut+alloc+free
8 4 4 8.3 osh-native-souffle mut+alloc+free+gc
8 4 4 8.3 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 10 0 1.4 dash -
29 25 4 2.9 bash -
25 25 0 3.3 zsh -
18 18 0 31.7 bumpleak/osh mut
25 25 0 33.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 33 4 26.9 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 26.0 osh-native-souffle mut+alloc
32 24 8 26.3 osh-native-souffle mut+alloc+free
22 17 4 7.3 osh-native-souffle mut+alloc+free+gc
21 21 0 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
73 64 8 3.0 bash -
169 116 52 55.8 bumpleak/osh mut
180 124 56 55.1 _bin/cxx-opt+bumproot/osh mut
194 145 48 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 72 47.0 osh-native mut+alloc
221 150 71 48.8 osh-native mut+alloc+free
184 124 60 8.8 osh-native mut+alloc+free+gc
184 124 60 8.8 osh-native mut+alloc+free+gc+exit
234 147 87 63.6 _bin/cxx-opt+nopool/osh mut+alloc
212 140 72 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 135 71 46.7 osh-native-souffle mut+alloc
212 112 100 48.5 osh-native-souffle mut+alloc+free
176 128 48 8.4 osh-native-souffle mut+alloc+free+gc
176 104 72 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
10 10 0 3.4 dash -
20 15 6 4.5 bash -
18 12 7 3.4 zsh -
18 11 7 13.0 bumpleak/osh mut
20 14 6 12.4 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 10 12 11.1 osh-native mut+alloc+free
22 18 5 9.0 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 10 11 10.5 osh-native-souffle mut+alloc
22 13 9 10.7 osh-native-souffle mut+alloc+free
21 14 8 8.5 osh-native-souffle mut+alloc+free+gc
22 15 7 8.4 osh-native-souffle mut+alloc+free+gc+exit