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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 139 25 65 45.9 51.5 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 148 24 64 45.9 52.1 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 10 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.2 117,234 277 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 1.6 dash -
13 12 1 3.3 bash -
90 51 47 3.5 zsh -
15 12 3 30.3 bumpleak/osh mut
16 14 2 30.0 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
28 21 7 25.8 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 35 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 42 0 3.4 bash -
325 190 157 3.7 zsh -
45 35 10 86.2 bumpleak/osh mut
48 39 9 85.1 _bin/cxx-opt+bumproot/osh mut
58 43 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 52 31 73.5 osh-native mut+alloc
92 60 32 75.5 osh-native mut+alloc+free
139 117 22 51.5 osh-native mut+alloc+free+gc
141 114 26 52.5 osh-native mut+alloc+free+gc+exit
92 55 37 74.2 osh-nosouffle mut+alloc
101 63 38 76.0 osh-nosouffle mut+alloc+free
148 126 22 52.1 osh-nosouffle mut+alloc+free+gc
151 124 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 76 49 99.3 _bin/cxx-opt+nopool/osh mut+alloc
201 175 26 72.3 _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
2 2 0 1.7 dash -
4 2 1 3.1 bash -
6 6 1 3.4 zsh -
6 2 4 13.0 bumpleak/osh mut
6 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 5 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
10 8 2 1.6 dash -
30 30 1 3.3 bash -
21 19 2 3.4 zsh -
17 13 4 32.7 bumpleak/osh mut
19 12 7 33.3 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.7 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
34 25 9 27.4 osh-nosouffle mut+alloc
36 25 11 27.7 osh-nosouffle mut+alloc+free
26 24 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.7 _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
103 94 9 3.4 bash -
214 163 51 56.0 bumpleak/osh mut
222 175 46 58.0 _bin/cxx-opt+bumproot/osh mut
242 185 56 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 191 66 48.8 osh-native mut+alloc
263 194 69 50.9 osh-native mut+alloc+free
221 184 37 9.0 osh-native mut+alloc+free+gc
221 182 39 9.0 osh-native mut+alloc+free+gc+exit
260 190 70 49.4 osh-nosouffle mut+alloc
271 203 68 51.1 osh-nosouffle mut+alloc+free
226 180 46 9.7 osh-nosouffle mut+alloc+free+gc
227 187 40 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 210 69 64.4 _bin/cxx-opt+nopool/osh mut+alloc
252 208 44 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 5 4 3.8 dash -
16 9 7 5.0 bash -
15 6 10 3.8 zsh -
18 7 12 12.9 bumpleak/osh mut
19 7 12 13.9 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.4 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
20 12 9 9.3 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 8 13 12.2 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
22 16 7 10.2 osh-nosouffle mut+alloc+free+gc
22 9 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc