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 33 4 10 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 37 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 25 65 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 26 70 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 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 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 9.8 117,234 277 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
97 57 47 3.4 zsh -
14 11 3 29.4 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
18 12 6 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 11 15 25.6 osh-native mut+alloc
29 14 15 25.8 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
34 23 11 18.4 osh-native mut+alloc+free+gc+exit
29 17 12 26.0 osh-nosouffle mut+alloc
32 18 14 26.2 osh-nosouffle mut+alloc+free
37 25 12 18.7 osh-nosouffle mut+alloc+free+gc
37 32 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 26 14 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 36 11 22.5 _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
23 23 0 1.6 dash -
42 38 4 3.4 bash -
354 202 174 3.7 zsh -
44 37 6 85.6 bumpleak/osh mut
46 39 7 86.1 _bin/cxx-opt+bumproot/osh mut
58 41 17 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
88 47 41 73.7 osh-native mut+alloc
97 56 41 75.4 osh-native mut+alloc+free
142 110 32 51.7 osh-native mut+alloc+free+gc
149 122 26 52.5 osh-native mut+alloc+free+gc+exit
98 66 32 74.1 osh-nosouffle mut+alloc
107 73 34 75.9 osh-nosouffle mut+alloc+free
157 125 32 52.1 osh-nosouffle mut+alloc+free+gc
158 124 34 52.8 osh-nosouffle mut+alloc+free+gc+exit
135 76 59 98.3 _bin/cxx-opt+nopool/osh mut+alloc
218 177 41 72.5 _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
2 2 0 1.7 dash -
4 3 1 3.3 bash -
7 4 3 3.4 zsh -
6 4 2 11.5 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
8 5 3 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 5 10.6 osh-native mut+alloc
9 6 3 10.7 osh-native mut+alloc+free
10 6 3 8.7 osh-native mut+alloc+free+gc
10 9 1 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
10 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
11 8 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
12 7 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 2 9.5 _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 8 1 1.4 dash -
30 29 1 3.1 bash -
23 10 13 3.4 zsh -
17 11 6 33.3 bumpleak/osh mut
18 16 2 33.0 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
32 24 9 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
36 24 12 27.3 osh-nosouffle mut+alloc
38 28 10 27.5 osh-nosouffle mut+alloc+free
26 22 4 8.7 osh-nosouffle mut+alloc+free+gc
26 22 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
48 23 25 36.4 _bin/cxx-opt+nopool/osh mut+alloc
32 27 5 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
99 97 2 3.5 bash -
215 151 64 57.3 bumpleak/osh mut
223 155 68 57.8 _bin/cxx-opt+bumproot/osh mut
241 177 64 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 186 75 48.8 osh-native mut+alloc
268 182 87 50.7 osh-native mut+alloc+free
226 166 60 9.0 osh-native mut+alloc+free+gc
225 171 55 9.0 osh-native mut+alloc+free+gc+exit
268 189 79 49.3 osh-nosouffle mut+alloc
276 192 84 51.3 osh-nosouffle mut+alloc+free
232 177 55 9.7 osh-nosouffle mut+alloc+free+gc
232 161 71 9.3 osh-nosouffle mut+alloc+free+gc+exit
282 191 91 64.4 _bin/cxx-opt+nopool/osh mut+alloc
259 200 59 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
9 3 7 3.8 dash -
17 6 11 4.6 bash -
17 7 11 3.9 zsh -
18 10 8 13.8 bumpleak/osh mut
18 11 8 14.0 _bin/cxx-opt+bumproot/osh mut
21 10 11 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.7 osh-native mut+alloc
22 7 16 11.8 osh-native mut+alloc+free
22 11 12 9.6 osh-native mut+alloc+free+gc
23 12 11 9.6 osh-native mut+alloc+free+gc+exit
22 12 11 12.1 osh-nosouffle mut+alloc
23 14 10 12.3 osh-nosouffle mut+alloc+free
23 16 8 9.8 osh-nosouffle mut+alloc+free+gc
24 12 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
25 13 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 14 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc