Memory Management Overhead

Source code: oils/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 30 4 10 12.0 18.5 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 11 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 126 20 61 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 136 20 61 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 1 2 3.0 10.1 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 5 0 1.7 dash -
11 11 0 3.5 bash -
67 45 27 3.7 zsh -
16 9 7 30.2 bumpleak/osh mut
17 10 7 29.8 _bin/cxx-opt+bumproot/osh mut
19 11 8 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 9 25.7 osh-native mut+alloc
24 17 7 25.7 osh-native mut+alloc+free
30 26 4 18.5 osh-native mut+alloc+free+gc
31 24 7 18.4 osh-native mut+alloc+free+gc+exit
25 19 5 26.0 osh-nosouffle mut+alloc
28 16 12 26.3 osh-nosouffle mut+alloc+free
34 29 4 18.9 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
34 21 13 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 39 5 22.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

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
18 18 0 1.7 dash -
38 37 1 3.5 bash -
236 138 113 3.7 zsh -
48 33 14 86.4 bumpleak/osh mut
52 39 14 84.7 _bin/cxx-opt+bumproot/osh mut
62 45 17 87.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
69 46 23 73.8 osh-native mut+alloc
81 55 26 75.6 osh-native mut+alloc+free
126 107 19 51.7 osh-native mut+alloc+free+gc
130 106 25 52.5 osh-native mut+alloc+free+gc+exit
79 54 25 74.2 osh-nosouffle mut+alloc
90 67 23 76.2 osh-nosouffle mut+alloc+free
136 116 20 52.4 osh-nosouffle mut+alloc+free+gc
141 128 13 53.0 osh-nosouffle mut+alloc+free+gc+exit
110 72 38 99.3 _bin/cxx-opt+nopool/osh mut+alloc
182 163 19 73.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
1 0 1 1.4 dash -
3 3 0 3.3 bash -
5 5 0 3.3 zsh -
6 3 3 12.3 bumpleak/osh mut
6 3 3 13.1 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 4 3 10.7 osh-native mut+alloc
7 5 2 10.7 osh-native mut+alloc+free
8 7 1 8.8 osh-native mut+alloc+free+gc
8 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 8 0 11.0 osh-nosouffle mut+alloc
8 7 1 11.4 osh-nosouffle mut+alloc+free
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc
9 7 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 5 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.compute-fib

A synthetic benchmark for POSIX shell arithmetic.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
9 9 0 1.6 dash -
29 28 1 3.3 bash -
17 15 2 3.3 zsh -
18 13 5 33.8 bumpleak/osh mut
20 15 5 32.7 _bin/cxx-opt+bumproot/osh mut
23 18 5 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 27.0 osh-native mut+alloc
28 18 10 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
30 23 7 27.4 osh-nosouffle mut+alloc
32 27 6 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 22 18 36.9 _bin/cxx-opt+nopool/osh mut+alloc
28 25 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
97 92 5 3.5 bash -
170 140 30 57.3 bumpleak/osh mut
179 149 30 57.9 _bin/cxx-opt+bumproot/osh mut
186 151 35 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 157 37 48.8 osh-native mut+alloc
203 161 42 50.9 osh-native mut+alloc+free
172 152 20 9.0 osh-native mut+alloc+free+gc
172 153 19 9.0 osh-native mut+alloc+free+gc+exit
202 155 47 49.3 osh-nosouffle mut+alloc
212 174 38 51.1 osh-nosouffle mut+alloc+free
176 156 20 9.7 osh-nosouffle mut+alloc+free+gc
176 155 21 9.7 osh-nosouffle mut+alloc+free+gc+exit
218 174 44 66.1 _bin/cxx-opt+nopool/osh mut+alloc
202 177 25 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc

ex.abuild-print-help

Running abuild -h from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 3 5 4.1 dash -
14 7 7 4.6 bash -
12 6 6 3.9 zsh -
15 9 6 12.4 bumpleak/osh mut
15 7 8 12.7 _bin/cxx-opt+bumproot/osh mut
15 7 8 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
17 7 10 11.5 osh-native mut+alloc
17 8 10 11.8 osh-native mut+alloc+free
18 12 6 9.6 osh-native mut+alloc+free+gc
18 13 6 9.6 osh-native mut+alloc+free+gc+exit
17 8 10 12.1 osh-nosouffle mut+alloc
19 13 7 12.1 osh-nosouffle mut+alloc+free
19 11 9 10.1 osh-nosouffle mut+alloc+free+gc
19 13 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 13 7 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 13 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc