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 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 10 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 122 18 57 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 130 18 56 45.9 52.3 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.0 117,258 277 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 4 1 1.7 dash -
11 10 1 3.3 bash -
63 44 24 3.4 zsh -
15 10 5 29.4 bumpleak/osh mut
17 12 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 25.6 osh-native mut+alloc
25 17 8 26.0 osh-native mut+alloc+free
30 23 7 18.2 osh-native mut+alloc+free+gc
32 24 7 18.5 osh-native mut+alloc+free+gc+exit
24 19 6 26.1 osh-nosouffle mut+alloc
27 21 6 26.5 osh-nosouffle mut+alloc+free
33 29 4 18.9 osh-nosouffle mut+alloc+free+gc
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 19 14 33.1 _bin/cxx-opt+nopool/osh mut+alloc
42 38 4 22.9 _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 3.4 bash -
229 142 102 3.8 zsh -
48 33 15 85.5 bumpleak/osh mut
52 37 15 85.2 _bin/cxx-opt+bumproot/osh mut
61 45 16 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 53 17 73.7 osh-native mut+alloc
81 62 19 75.6 osh-native mut+alloc+free
122 106 15 51.7 osh-native mut+alloc+free+gc
130 109 21 52.7 osh-native mut+alloc+free+gc+exit
78 57 22 74.3 osh-nosouffle mut+alloc
89 71 18 76.2 osh-nosouffle mut+alloc+free
130 115 15 52.3 osh-nosouffle mut+alloc+free+gc
135 119 16 52.9 osh-nosouffle mut+alloc+free+gc+exit
106 67 39 97.9 _bin/cxx-opt+nopool/osh mut+alloc
171 144 27 73.1 _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 1.6 dash -
3 3 0 3.3 bash -
5 3 2 3.4 zsh -
5 4 2 11.3 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 1 5 10.5 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
8 7 1 8.8 osh-native mut+alloc+free+gc
8 7 1 9.0 osh-native mut+alloc+free+gc+exit
7 6 1 11.1 osh-nosouffle mut+alloc
8 5 3 11.1 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
9 9 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 5 4 12.2 _bin/cxx-opt+nopool/osh mut+alloc
10 9 1 9.6 _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 27 1 3.3 bash -
16 13 3 3.4 zsh -
18 12 6 31.8 bumpleak/osh mut
20 15 5 33.8 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 26.9 osh-native mut+alloc
29 19 9 27.1 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
29 22 7 27.5 osh-nosouffle mut+alloc
32 28 4 27.8 osh-nosouffle mut+alloc+free
24 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 9.8 _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
105 100 5 3.5 bash -
171 143 28 56.8 bumpleak/osh mut
180 152 28 57.9 _bin/cxx-opt+bumproot/osh mut
187 155 31 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
194 160 34 48.8 osh-native mut+alloc
202 161 41 50.9 osh-native mut+alloc+free
172 149 23 8.9 osh-native mut+alloc+free+gc
173 160 12 9.3 osh-native mut+alloc+free+gc+exit
199 165 34 49.3 osh-nosouffle mut+alloc
207 168 39 51.3 osh-nosouffle mut+alloc+free
176 155 21 9.6 osh-nosouffle mut+alloc+free+gc
176 159 17 9.8 osh-nosouffle mut+alloc+free+gc+exit
220 171 49 64.6 _bin/cxx-opt+nopool/osh mut+alloc
205 189 15 10.7 _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 4 3 3.9 dash -
12 10 3 4.8 bash -
11 6 6 4.1 zsh -
15 8 7 13.1 bumpleak/osh mut
14 8 6 14.5 _bin/cxx-opt+bumproot/osh mut
16 9 7 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 11 5 11.5 osh-native mut+alloc
17 8 9 11.9 osh-native mut+alloc+free
17 10 8 9.4 osh-native mut+alloc+free+gc
17 9 9 9.7 osh-native mut+alloc+free+gc+exit
16 11 6 12.2 osh-nosouffle mut+alloc
18 10 9 12.3 osh-nosouffle mut+alloc+free
18 12 6 10.0 osh-nosouffle mut+alloc+free+gc
19 13 6 10.4 osh-nosouffle mut+alloc+free+gc+exit
18 10 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc