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 18.2 471,276 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 120 19 54 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 129 19 55 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 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 2 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 176 0 4 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.0 117,234 277 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 10 1 3.4 bash -
63 41 26 3.5 zsh -
15 10 5 30.2 bumpleak/osh mut
17 12 4 29.7 _bin/cxx-opt+bumproot/osh mut
19 12 6 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 8 25.6 osh-native mut+alloc
24 20 4 25.8 osh-native mut+alloc+free
29 23 6 18.2 osh-native mut+alloc+free+gc
31 25 6 18.2 osh-native mut+alloc+free+gc+exit
24 10 14 26.1 osh-nosouffle mut+alloc
27 21 6 26.2 osh-nosouffle mut+alloc+free
32 28 4 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 25 8 32.3 _bin/cxx-opt+nopool/osh mut+alloc
41 33 8 22.8 _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 38 0 3.4 bash -
227 139 104 3.7 zsh -
48 29 18 85.1 bumpleak/osh mut
52 39 13 86.0 _bin/cxx-opt+bumproot/osh mut
60 47 13 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 49 21 73.7 osh-native mut+alloc
81 55 26 75.5 osh-native mut+alloc+free
120 96 24 51.7 osh-native mut+alloc+free+gc
126 109 16 52.4 osh-native mut+alloc+free+gc+exit
79 61 18 74.5 osh-nosouffle mut+alloc
90 65 25 76.2 osh-nosouffle mut+alloc+free
129 113 16 52.3 osh-nosouffle mut+alloc+free+gc
135 117 18 52.9 osh-nosouffle mut+alloc+free+gc+exit
111 69 42 99.4 _bin/cxx-opt+nopool/osh mut+alloc
170 145 25 72.4 _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 2 1 3.3 bash -
5 3 1 3.5 zsh -
6 4 2 13.1 bumpleak/osh mut
6 5 1 12.1 _bin/cxx-opt+bumproot/osh mut
6 4 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 4 2 10.6 osh-native mut+alloc
7 4 3 10.6 osh-native mut+alloc+free
8 6 2 8.8 osh-native mut+alloc+free+gc
8 7 1 8.8 osh-native mut+alloc+free+gc+exit
7 5 2 11.0 osh-nosouffle mut+alloc
8 5 3 11.3 osh-nosouffle mut+alloc+free
9 9 0 9.2 osh-nosouffle mut+alloc+free+gc
9 8 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 6 3 12.0 _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 -
29 29 0 3.3 bash -
16 13 3 3.5 zsh -
17 10 8 31.9 bumpleak/osh mut
19 14 5 32.0 _bin/cxx-opt+bumproot/osh mut
23 16 7 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 11 14 26.9 osh-native mut+alloc
27 21 6 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
30 22 8 27.4 osh-nosouffle mut+alloc
33 26 7 27.5 osh-nosouffle mut+alloc+free
24 23 1 8.9 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 24 5 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 -
170 136 34 56.4 bumpleak/osh mut
179 143 36 57.4 _bin/cxx-opt+bumproot/osh mut
188 150 37 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 159 34 48.8 osh-native mut+alloc
200 166 34 50.7 osh-native mut+alloc+free
171 146 25 9.0 osh-native mut+alloc+free+gc
171 145 26 9.3 osh-native mut+alloc+free+gc+exit
198 164 34 49.4 osh-nosouffle mut+alloc
205 164 41 51.4 osh-nosouffle mut+alloc+free
176 152 24 9.6 osh-nosouffle mut+alloc+free+gc
177 156 21 9.8 osh-nosouffle mut+alloc+free+gc+exit
220 182 38 65.7 _bin/cxx-opt+nopool/osh mut+alloc
199 175 24 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 8 5 4.7 bash -
12 7 5 3.9 zsh -
14 7 7 12.5 bumpleak/osh mut
15 8 7 14.2 _bin/cxx-opt+bumproot/osh mut
17 10 7 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 13 3 11.5 osh-native mut+alloc
17 12 5 11.7 osh-native mut+alloc+free
17 8 10 9.4 osh-native mut+alloc+free+gc
18 9 9 9.8 osh-native mut+alloc+free+gc+exit
16 11 6 12.2 osh-nosouffle mut+alloc
18 15 4 12.3 osh-nosouffle mut+alloc+free
18 14 5 10.0 osh-nosouffle mut+alloc+free+gc
19 12 7 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 11 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc