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 33 3 9 12.0 17.7 476,737 1,282 6 408,780 5 204,390 osh-native-souffle
parse.configure-coreutils 158 22 73 41.1 45.8 1,653,325 4,764 12 1,591,962 7 795,981 osh-native
parse.configure-coreutils 141 23 63 44.6 49.7 1,653,324 4,764 12 1,030,664 6 769,416 osh-native-souffle
parse.abuild 9 1 1 2.6 8.7 101,928 180 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 7.5 584,193 22,608 12 50,000 0 2,841 osh-native-souffle
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,274 12,911 21 50,000 0 3,891 osh-native
ex.bashcomp-parse-help 174 0 3 10.3 8.3 995,273 12,911 21 50,000 0 3,831 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 8.9 116,343 270 3 85,488 1 42,744 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,343 270 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 3 3 1.4 dash -
24 24 0 3.0 bash -
106 63 50 3.3 zsh -
16 12 4 29.8 bumpleak/osh mut
20 16 4 30.1 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 18 25.2 osh-native mut+alloc
31 24 8 25.3 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
36 28 8 18.2 osh-native mut+alloc+free+gc+exit
43 27 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 15 11 24.9 osh-native-souffle mut+alloc
29 17 12 25.4 osh-native-souffle mut+alloc+free
33 28 4 17.7 osh-native-souffle mut+alloc+free+gc
34 17 17 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
21 21 0 1.6 dash -
77 73 4 3.1 bash -
382 238 165 3.7 zsh -
49 38 11 85.0 bumpleak/osh mut
59 43 16 84.7 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 66 31 73.6 osh-native mut+alloc
106 66 39 75.3 osh-native mut+alloc+free
158 145 12 45.8 osh-native mut+alloc+free+gc
163 146 16 46.0 osh-native mut+alloc+free+gc+exit
139 94 45 98.9 _bin/cxx-opt+nopool/osh mut+alloc
230 214 16 61.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
88 48 40 73.0 osh-native-souffle mut+alloc
97 48 48 74.9 osh-native-souffle mut+alloc+free
141 113 27 49.7 osh-native-souffle mut+alloc+free+gc
163 147 16 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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 10.3 bumpleak/osh mut
7 7 0 12.2 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.7 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
11 6 6 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
8 4 4 9.8 osh-native-souffle mut+alloc
8 4 4 9.8 osh-native-souffle mut+alloc+free
8 8 0 8.3 osh-native-souffle mut+alloc+free+gc
9 3 6 8.4 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 7 3 1.4 dash -
29 29 0 2.9 bash -
23 23 0 3.3 zsh -
17 17 0 31.1 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
37 33 4 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 25 4 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 19 11 26.0 osh-native-souffle mut+alloc
32 28 4 26.2 osh-native-souffle mut+alloc+free
22 18 4 7.5 osh-native-souffle mut+alloc+free+gc
22 15 7 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 66 8 3.1 bash -
166 134 32 54.5 bumpleak/osh mut
180 124 56 55.5 _bin/cxx-opt+bumproot/osh mut
195 146 49 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 141 69 46.9 osh-native mut+alloc
218 123 95 48.7 osh-native mut+alloc+free
182 109 73 8.8 osh-native mut+alloc+free+gc
181 89 93 8.5 osh-native mut+alloc+free+gc+exit
231 143 88 64.1 _bin/cxx-opt+nopool/osh mut+alloc
209 153 56 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 115 91 46.6 osh-native-souffle mut+alloc
211 119 92 48.3 osh-native-souffle mut+alloc+free
174 105 69 8.3 osh-native-souffle mut+alloc+free+gc
175 115 60 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
10 9 1 3.4 dash -
20 11 9 4.3 bash -
18 7 12 3.5 zsh -
18 17 2 11.4 bumpleak/osh mut
20 9 11 12.5 _bin/cxx-opt+bumproot/osh mut
22 20 3 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 9 11.0 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 11 11 8.9 osh-native mut+alloc+free+gc
23 16 7 9.2 osh-native mut+alloc+free+gc+exit
25 12 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
21 16 5 10.6 osh-native-souffle mut+alloc
21 18 3 10.7 osh-native-souffle mut+alloc+free
21 14 8 8.7 osh-native-souffle mut+alloc+free+gc
22 17 5 8.7 osh-native-souffle mut+alloc+free+gc+exit