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 32 5 12 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 5 12 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 22 63 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 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 8.7 102,804 180 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 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 173 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 181 0 5 11.6 9.6 990,273 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 19 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 4 1 1.7 dash -
11 11 0 3.3 bash -
66 50 21 3.5 zsh -
16 10 6 30.1 bumpleak/osh mut
17 11 6 30.2 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 25.4 osh-native mut+alloc
24 18 6 26.0 osh-native mut+alloc+free
32 25 7 18.4 osh-native mut+alloc+free+gc
33 27 6 18.4 osh-native mut+alloc+free+gc+exit
24 18 6 26.1 osh-nosouffle mut+alloc
28 22 5 26.3 osh-nosouffle mut+alloc+free
36 33 2 18.9 osh-nosouffle mut+alloc+free+gc
35 26 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 22 11 33.0 _bin/cxx-opt+nopool/osh mut+alloc
43 35 8 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 1.7 dash -
39 38 0 3.5 bash -
235 145 105 3.5 zsh -
49 32 17 86.2 bumpleak/osh mut
53 37 16 85.2 _bin/cxx-opt+bumproot/osh mut
62 43 19 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
69 40 29 73.8 osh-native mut+alloc
80 48 32 75.6 osh-native mut+alloc+free
129 111 17 51.7 osh-native mut+alloc+free+gc
139 120 19 52.5 osh-native mut+alloc+free+gc+exit
79 56 23 74.3 osh-nosouffle mut+alloc
89 61 28 75.9 osh-nosouffle mut+alloc+free
138 127 11 52.3 osh-nosouffle mut+alloc+free+gc
147 124 23 53.0 osh-nosouffle mut+alloc+free+gc+exit
107 71 36 98.3 _bin/cxx-opt+nopool/osh mut+alloc
191 166 25 72.6 _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 3.1 bash -
5 5 0 3.5 zsh -
6 4 2 12.8 bumpleak/osh mut
6 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 7 0 10.6 osh-native mut+alloc
7 2 5 10.7 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 4 3 11.0 osh-nosouffle mut+alloc
8 6 2 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 4 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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 27 1 3.4 bash -
17 12 5 3.4 zsh -
18 13 5 31.9 bumpleak/osh mut
20 13 7 33.9 _bin/cxx-opt+bumproot/osh mut
23 18 5 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 27.0 osh-native mut+alloc
28 22 6 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
30 22 8 27.3 osh-nosouffle mut+alloc
33 22 11 27.8 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
28 24 4 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 93 3 3.4 bash -
173 141 32 56.8 bumpleak/osh mut
180 152 28 57.9 _bin/cxx-opt+bumproot/osh mut
188 154 34 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
192 158 34 48.9 osh-native mut+alloc
201 170 31 50.9 osh-native mut+alloc+free
173 157 16 9.2 osh-native mut+alloc+free+gc
173 158 15 9.2 osh-native mut+alloc+free+gc+exit
197 167 30 49.5 osh-nosouffle mut+alloc
208 178 30 51.3 osh-nosouffle mut+alloc+free
181 161 20 9.6 osh-nosouffle mut+alloc+free+gc
178 151 27 9.8 osh-nosouffle mut+alloc+free+gc+exit
219 182 37 66.0 _bin/cxx-opt+nopool/osh mut+alloc
206 192 14 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 5 2 3.9 dash -
13 9 5 4.7 bash -
11 10 2 4.1 zsh -
16 7 9 13.3 bumpleak/osh mut
17 9 8 13.7 _bin/cxx-opt+bumproot/osh mut
16 10 7 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 11 6 11.7 osh-native mut+alloc
18 9 9 11.8 osh-native mut+alloc+free
18 11 7 9.4 osh-native mut+alloc+free+gc
19 9 10 9.6 osh-native mut+alloc+free+gc+exit
17 12 6 12.2 osh-nosouffle mut+alloc
19 6 13 12.2 osh-nosouffle mut+alloc+free
19 10 10 10.1 osh-nosouffle mut+alloc+free+gc
20 13 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
19 9 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 13 8 10.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc