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 31 4 11 12.0 18.4 471,269 1,282 6 413,154 5 206,577 osh-native
parse.configure-cpython 33 4 11 12.0 18.7 471,269 1,282 6 413,162 5 206,581 osh-nosouffle
parse.configure-coreutils 128 21 62 45.9 52.0 1,638,008 4,764 12 1,056,652 6 787,847 osh-native
parse.configure-coreutils 138 21 63 45.9 52.1 1,638,007 4,764 12 1,056,660 6 787,851 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,797 180 3 86,640 1 43,320 osh-native
parse.abuild 9 1 2 2.6 9.3 102,797 180 3 86,648 1 43,324 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,121 22,608 12 50,000 0 2,987 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,121 22,608 12 50,000 0 2,992 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 9.2 990,267 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.6 990,266 15,258 21 50,000 0 3,971 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.4 117,228 277 3 84,002 1 42,001 osh-native
ex.abuild-print-help 19 1 2 3.0 10.1 117,227 277 3 84,010 1 42,005 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 4 1 1.7 dash -
11 10 1 3.3 bash -
67 36 35 3.5 zsh -
16 9 6 28.9 bumpleak/osh mut
17 12 5 30.4 _bin/cxx-opt+bumproot/osh mut
20 14 6 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 25.7 osh-native mut+alloc
24 20 4 25.7 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
25 13 11 26.1 osh-nosouffle mut+alloc
28 21 7 26.3 osh-nosouffle mut+alloc+free
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc
34 32 2 19.0 osh-nosouffle mut+alloc+free+gc+exit
33 19 14 32.6 _bin/cxx-opt+nopool/osh mut+alloc
43 36 7 22.7 _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
20 20 1 1.7 dash -
38 38 0 3.4 bash -
253 149 116 3.7 zsh -
49 38 11 85.0 bumpleak/osh mut
54 36 18 86.4 _bin/cxx-opt+bumproot/osh mut
61 41 20 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 46 24 73.8 osh-native mut+alloc
81 59 22 75.4 osh-native mut+alloc+free
128 110 17 52.0 osh-native mut+alloc+free+gc
133 115 18 52.5 osh-native mut+alloc+free+gc+exit
79 53 27 74.2 osh-nosouffle mut+alloc
89 68 21 76.0 osh-nosouffle mut+alloc+free
138 120 18 52.1 osh-nosouffle mut+alloc+free+gc
145 121 24 53.1 osh-nosouffle mut+alloc+free+gc+exit
109 69 40 98.1 _bin/cxx-opt+nopool/osh mut+alloc
183 157 26 72.8 _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 1 1 1.7 dash -
3 2 1 3.3 bash -
5 4 1 3.5 zsh -
6 4 2 12.0 bumpleak/osh mut
6 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
6 5 1 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 6 1 10.5 osh-native mut+alloc
7 4 3 10.9 osh-native mut+alloc+free
10 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 8 0 11.0 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc
9 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 6 5 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 8 1 1.6 dash -
29 29 0 3.1 bash -
17 15 2 3.5 zsh -
19 13 6 32.7 bumpleak/osh mut
22 14 8 32.9 _bin/cxx-opt+bumproot/osh mut
23 16 7 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 27.0 osh-native mut+alloc
29 19 10 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
30 24 6 27.5 osh-nosouffle mut+alloc
33 24 9 27.6 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 19 21 36.4 _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
96 94 2 3.5 bash -
170 140 30 56.9 bumpleak/osh mut
180 145 35 58.1 _bin/cxx-opt+bumproot/osh mut
190 149 41 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
196 159 37 48.8 osh-native mut+alloc
200 159 41 50.7 osh-native mut+alloc+free
172 152 20 9.2 osh-native mut+alloc+free+gc
172 150 22 9.2 osh-native mut+alloc+free+gc+exit
198 164 34 49.3 osh-nosouffle mut+alloc
209 167 42 51.4 osh-nosouffle mut+alloc+free
176 158 18 9.6 osh-nosouffle mut+alloc+free+gc
176 152 24 9.7 osh-nosouffle mut+alloc+free+gc+exit
220 168 52 65.5 _bin/cxx-opt+nopool/osh mut+alloc
206 192 14 10.8 _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 2 6 4.1 dash -
13 9 5 4.6 bash -
12 6 6 3.9 zsh -
14 8 6 13.9 bumpleak/osh mut
18 7 11 13.5 _bin/cxx-opt+bumproot/osh mut
18 11 7 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 8 11.7 osh-native mut+alloc
18 10 8 11.7 osh-native mut+alloc+free
18 10 8 9.4 osh-native mut+alloc+free+gc
18 10 9 9.8 osh-native mut+alloc+free+gc+exit
18 11 6 12.2 osh-nosouffle mut+alloc
19 10 10 12.3 osh-nosouffle mut+alloc+free
19 10 10 10.1 osh-nosouffle mut+alloc+free+gc
20 13 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
22 12 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
21 9 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc