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 18.5 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 44 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 122 18 57 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 132 19 59 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 8.7 102,804 180 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 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 175 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 9.6 117,235 277 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
6 6 0 1.7 dash -
11 11 0 3.5 bash -
65 41 28 3.5 zsh -
16 10 6 30.1 bumpleak/osh mut
16 12 4 30.0 _bin/cxx-opt+bumproot/osh mut
19 11 9 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 12 25.6 osh-native mut+alloc
24 17 7 26.0 osh-native mut+alloc+free
30 25 5 18.5 osh-native mut+alloc+free+gc
31 25 6 18.5 osh-native mut+alloc+free+gc+exit
24 17 7 26.0 osh-nosouffle mut+alloc
27 20 7 26.5 osh-nosouffle mut+alloc+free
44 37 7 18.7 osh-nosouffle mut+alloc+free+gc
34 28 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 20 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
43 33 10 22.6 _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 36 2 3.5 bash -
234 141 107 3.8 zsh -
48 31 17 86.2 bumpleak/osh mut
53 34 19 85.9 _bin/cxx-opt+bumproot/osh mut
62 45 17 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 50 20 73.8 osh-native mut+alloc
81 52 29 75.5 osh-native mut+alloc+free
122 105 17 51.9 osh-native mut+alloc+free+gc
123 107 16 52.5 osh-native mut+alloc+free+gc+exit
79 57 22 74.2 osh-nosouffle mut+alloc
89 66 23 76.0 osh-nosouffle mut+alloc+free
132 115 17 52.4 osh-nosouffle mut+alloc+free+gc
138 124 14 52.9 osh-nosouffle mut+alloc+free+gc+exit
107 66 41 97.8 _bin/cxx-opt+nopool/osh mut+alloc
171 140 31 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 1.7 dash -
3 3 0 3.3 bash -
5 2 3 3.5 zsh -
5 2 3 12.9 bumpleak/osh mut
6 5 1 12.4 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 4 2 10.6 osh-native mut+alloc
7 6 1 10.7 osh-native mut+alloc+free
8 7 1 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
7 7 0 11.0 osh-nosouffle mut+alloc
8 4 4 11.3 osh-nosouffle mut+alloc+free
9 9 0 9.2 osh-nosouffle mut+alloc+free+gc
9 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 9.7 _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 0 3.3 bash -
17 15 2 3.3 zsh -
18 14 4 32.7 bumpleak/osh mut
20 13 7 32.9 _bin/cxx-opt+bumproot/osh mut
23 15 8 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 10 26.9 osh-native mut+alloc
28 20 8 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 19 11 27.5 osh-nosouffle mut+alloc
34 31 3 27.6 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.9 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 36.4 _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 92 4 3.5 bash -
170 146 24 56.7 bumpleak/osh mut
179 148 31 56.3 _bin/cxx-opt+bumproot/osh mut
186 156 30 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 152 41 48.8 osh-native mut+alloc
202 168 34 50.7 osh-native mut+alloc+free
171 150 21 9.2 osh-native mut+alloc+free+gc
172 152 20 9.0 osh-native mut+alloc+free+gc+exit
199 163 36 49.4 osh-nosouffle mut+alloc
221 180 41 51.3 osh-nosouffle mut+alloc+free
175 157 18 9.6 osh-nosouffle mut+alloc+free+gc
176 144 32 9.8 osh-nosouffle mut+alloc+free+gc+exit
218 174 44 64.7 _bin/cxx-opt+nopool/osh mut+alloc
200 179 21 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 2 5 3.9 dash -
13 8 5 4.8 bash -
11 4 7 4.1 zsh -
15 5 11 12.9 bumpleak/osh mut
15 7 8 14.5 _bin/cxx-opt+bumproot/osh mut
18 8 10 14.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 12 4 11.7 osh-native mut+alloc
17 9 8 11.8 osh-native mut+alloc+free
17 9 8 9.6 osh-native mut+alloc+free+gc
18 11 8 9.6 osh-native mut+alloc+free+gc+exit
17 9 8 12.2 osh-nosouffle mut+alloc
19 13 6 12.2 osh-nosouffle mut+alloc+free
18 12 7 10.1 osh-nosouffle mut+alloc+free+gc
19 8 11 10.0 osh-nosouffle mut+alloc+free+gc+exit
18 12 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 13 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc