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 29 4 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 32 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 118 18 53 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 126 17 53 45.9 52.2 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 19 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 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 173 0 5 11.6 9.3 990,274 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 17 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 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 9 2 3.4 bash -
62 36 30 3.4 zsh -
16 11 5 30.4 bumpleak/osh mut
16 12 4 30.0 _bin/cxx-opt+bumproot/osh mut
19 13 6 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 8 25.6 osh-native mut+alloc
24 15 9 26.0 osh-native mut+alloc+free
29 25 4 18.4 osh-native mut+alloc+free+gc
29 24 5 18.2 osh-native mut+alloc+free+gc+exit
24 20 4 26.0 osh-nosouffle mut+alloc
27 18 9 26.3 osh-nosouffle mut+alloc+free
32 28 4 18.7 osh-nosouffle mut+alloc+free+gc
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
32 24 8 32.3 _bin/cxx-opt+nopool/osh mut+alloc
41 30 11 22.4 _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 17 1 1.6 dash -
38 36 2 3.5 bash -
224 148 91 3.8 zsh -
48 32 16 85.4 bumpleak/osh mut
52 38 14 86.3 _bin/cxx-opt+bumproot/osh mut
62 45 17 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 48 22 73.7 osh-native mut+alloc
80 57 23 75.6 osh-native mut+alloc+free
118 96 21 51.7 osh-native mut+alloc+free+gc
126 105 21 52.5 osh-native mut+alloc+free+gc+exit
80 59 21 74.2 osh-nosouffle mut+alloc
91 72 19 76.0 osh-nosouffle mut+alloc+free
126 109 17 52.2 osh-nosouffle mut+alloc+free+gc
132 122 10 52.8 osh-nosouffle mut+alloc+free+gc+exit
106 76 30 98.1 _bin/cxx-opt+nopool/osh mut+alloc
166 137 29 74.3 _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 0 1.7 dash -
3 3 0 3.0 bash -
5 4 1 3.4 zsh -
5 3 2 11.8 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
6 3 3 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 5 1 10.6 osh-native mut+alloc
7 6 1 10.7 osh-native mut+alloc+free
8 5 3 8.8 osh-native mut+alloc+free+gc
8 5 3 8.9 osh-native mut+alloc+free+gc+exit
7 3 4 11.0 osh-nosouffle mut+alloc
7 6 1 11.1 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 8 1 11.8 _bin/cxx-opt+nopool/osh mut+alloc
10 8 2 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 -
28 28 0 3.3 bash -
16 15 2 3.5 zsh -
18 11 7 33.2 bumpleak/osh mut
20 14 6 32.5 _bin/cxx-opt+bumproot/osh mut
22 17 6 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
24 18 6 26.9 osh-native mut+alloc
27 16 11 27.1 osh-native mut+alloc+free
19 15 4 8.4 osh-native mut+alloc+free+gc
20 17 2 8.4 osh-native mut+alloc+free+gc+exit
30 22 8 27.4 osh-nosouffle mut+alloc
32 26 6 27.7 osh-nosouffle mut+alloc+free
24 23 1 8.8 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
38 28 10 36.5 _bin/cxx-opt+nopool/osh mut+alloc
28 26 2 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
96 94 2 3.5 bash -
171 136 35 58.1 bumpleak/osh mut
180 158 22 58.0 _bin/cxx-opt+bumproot/osh mut
190 168 22 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
195 155 40 48.8 osh-native mut+alloc
204 161 43 50.9 osh-native mut+alloc+free
173 154 19 9.3 osh-native mut+alloc+free+gc
172 147 25 9.0 osh-native mut+alloc+free+gc+exit
200 167 33 49.3 osh-nosouffle mut+alloc
208 173 34 51.4 osh-nosouffle mut+alloc+free
176 154 22 9.7 osh-nosouffle mut+alloc+free+gc
176 161 15 10.0 osh-nosouffle mut+alloc+free+gc+exit
221 174 47 65.0 _bin/cxx-opt+nopool/osh mut+alloc
202 184 18 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 5 3.9 dash -
13 9 4 4.8 bash -
11 5 7 3.9 zsh -
14 6 8 13.9 bumpleak/osh mut
15 9 6 14.2 _bin/cxx-opt+bumproot/osh mut
15 13 3 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
15 6 10 11.8 osh-native mut+alloc
17 11 6 11.7 osh-native mut+alloc+free
17 13 4 9.6 osh-native mut+alloc+free+gc
18 10 8 9.7 osh-native mut+alloc+free+gc+exit
17 8 9 12.2 osh-nosouffle mut+alloc
18 8 10 12.3 osh-nosouffle mut+alloc+free
18 12 6 10.1 osh-nosouffle mut+alloc+free+gc
19 10 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 6 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
19 11 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc