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 3 9 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 26 64 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 28 64 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 11 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 3 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,233 277 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 1 1.7 dash -
13 12 1 3.3 bash -
89 50 46 3.5 zsh -
16 9 7 29.2 bumpleak/osh mut
16 13 3 30.1 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
28 18 9 25.8 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
41 38 3 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 28 10 32.6 _bin/cxx-opt+nopool/osh mut+alloc
43 36 7 22.9 _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 1.7 dash -
43 42 1 3.4 bash -
323 177 167 3.7 zsh -
45 36 9 85.6 bumpleak/osh mut
49 36 13 85.8 _bin/cxx-opt+bumproot/osh mut
58 44 14 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 53 32 73.7 osh-native mut+alloc
95 62 33 75.6 osh-native mut+alloc+free
138 117 21 51.9 osh-native mut+alloc+free+gc
144 121 23 52.4 osh-native mut+alloc+free+gc+exit
92 62 31 74.2 osh-nosouffle mut+alloc
102 65 37 76.0 osh-nosouffle mut+alloc+free
146 122 24 52.3 osh-nosouffle mut+alloc+free+gc
149 135 14 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 85 39 99.0 _bin/cxx-opt+nopool/osh mut+alloc
207 171 36 71.5 _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 3.1 bash -
6 5 1 3.4 zsh -
6 2 4 13.0 bumpleak/osh mut
6 4 3 12.2 _bin/cxx-opt+bumproot/osh mut
6 5 1 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
10 6 3 9.0 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 2 9.4 _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 1.4 dash -
31 31 0 3.3 bash -
23 16 7 3.3 zsh -
17 16 1 33.3 bumpleak/osh mut
18 12 7 33.5 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 19 11 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
37 26 11 27.5 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
26 25 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
45 42 3 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
106 98 8 3.4 bash -
213 151 62 57.7 bumpleak/osh mut
224 164 60 56.9 _bin/cxx-opt+bumproot/osh mut
244 185 59 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 185 76 48.9 osh-native mut+alloc
269 196 73 50.7 osh-native mut+alloc+free
225 175 50 9.2 osh-native mut+alloc+free+gc
232 193 38 9.0 osh-native mut+alloc+free+gc+exit
267 207 60 49.3 osh-nosouffle mut+alloc
278 217 61 51.3 osh-nosouffle mut+alloc+free
229 185 44 9.4 osh-nosouffle mut+alloc+free+gc
230 187 43 9.7 osh-nosouffle mut+alloc+free+gc+exit
284 204 80 65.5 _bin/cxx-opt+nopool/osh mut+alloc
257 214 43 10.3 _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 4 6 4.1 dash -
16 11 5 4.8 bash -
15 7 9 3.9 zsh -
17 7 11 14.1 bumpleak/osh mut
19 5 14 13.5 _bin/cxx-opt+bumproot/osh mut
18 11 8 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 12 9 9.8 osh-native mut+alloc+free+gc+exit
20 11 10 11.9 osh-nosouffle mut+alloc
22 9 14 12.1 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc