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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 12 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 135 22 68 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 139 21 64 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 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 25 0 2 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 173 0 6 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 18 1 2 3.0 9.4 117,235 277 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 10 1 3.4 bash -
66 45 26 3.5 zsh -
16 8 7 30.0 bumpleak/osh mut
17 11 5 29.6 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 25.7 osh-native mut+alloc
25 14 11 25.7 osh-native mut+alloc+free
31 26 5 18.2 osh-native mut+alloc+free+gc
35 25 10 18.2 osh-native mut+alloc+free+gc+exit
25 18 7 26.1 osh-nosouffle mut+alloc
27 19 8 26.3 osh-nosouffle mut+alloc+free
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 23 11 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 41 7 23.1 _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 1.7 dash -
38 37 1 3.5 bash -
232 134 113 3.5 zsh -
49 33 16 86.5 bumpleak/osh mut
53 35 18 85.5 _bin/cxx-opt+bumproot/osh mut
61 46 15 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 34 37 73.8 osh-native mut+alloc
83 63 19 75.6 osh-native mut+alloc+free
135 114 21 51.7 osh-native mut+alloc+free+gc
141 123 18 52.5 osh-native mut+alloc+free+gc+exit
80 53 27 74.2 osh-nosouffle mut+alloc
90 64 26 75.9 osh-nosouffle mut+alloc+free
139 128 11 52.3 osh-nosouffle mut+alloc+free+gc
151 132 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
108 71 37 99.3 _bin/cxx-opt+nopool/osh mut+alloc
189 166 23 73.3 _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 1 1.7 dash -
3 3 0 3.1 bash -
5 4 1 3.4 zsh -
6 4 2 13.2 bumpleak/osh mut
6 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 7 0 10.5 osh-native mut+alloc
7 4 4 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
7 5 2 11.0 osh-nosouffle mut+alloc
8 5 3 11.1 osh-nosouffle mut+alloc+free
9 7 2 9.3 osh-nosouffle mut+alloc+free+gc
10 5 5 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 3 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 1.7 dash -
29 29 0 3.3 bash -
17 14 3 3.5 zsh -
18 12 6 33.8 bumpleak/osh mut
20 12 8 32.7 _bin/cxx-opt+bumproot/osh mut
23 16 7 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 26.7 osh-native mut+alloc
28 16 12 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
30 18 12 27.4 osh-nosouffle mut+alloc
33 28 5 27.7 osh-nosouffle mut+alloc+free
25 22 2 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
28 24 4 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 96 0 3.4 bash -
170 142 28 56.1 bumpleak/osh mut
178 143 35 56.3 _bin/cxx-opt+bumproot/osh mut
188 157 31 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 149 44 48.9 osh-native mut+alloc
201 160 41 50.9 osh-native mut+alloc+free
173 156 17 9.3 osh-native mut+alloc+free+gc
172 147 25 9.2 osh-native mut+alloc+free+gc+exit
198 154 44 49.3 osh-nosouffle mut+alloc
218 188 30 51.5 osh-nosouffle mut+alloc+free
176 156 20 9.7 osh-nosouffle mut+alloc+free+gc
177 158 19 9.8 osh-nosouffle mut+alloc+free+gc+exit
222 184 38 66.0 _bin/cxx-opt+nopool/osh mut+alloc
202 180 21 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 4 2 3.8 dash -
13 10 3 4.8 bash -
11 7 5 4.1 zsh -
16 3 13 13.1 bumpleak/osh mut
16 8 9 13.8 _bin/cxx-opt+bumproot/osh mut
16 9 7 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 10 6 11.7 osh-native mut+alloc
17 10 7 11.8 osh-native mut+alloc+free
18 13 5 9.4 osh-native mut+alloc+free+gc
18 12 6 9.6 osh-native mut+alloc+free+gc+exit
17 11 6 12.2 osh-nosouffle mut+alloc
18 9 10 12.2 osh-nosouffle mut+alloc+free
18 13 6 10.1 osh-nosouffle mut+alloc+free+gc
19 12 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 11 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 13 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc