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 4 9 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 4 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 140 26 65 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 152 26 69 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 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 -
88 53 42 3.5 zsh -
15 11 4 29.7 bumpleak/osh mut
16 10 6 29.1 _bin/cxx-opt+bumproot/osh mut
19 17 2 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 8 25.4 osh-native mut+alloc
26 18 8 25.7 osh-native mut+alloc+free
31 23 8 18.1 osh-native mut+alloc+free+gc
32 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 18 9 25.8 osh-nosouffle mut+alloc
30 22 8 26.5 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
35 26 9 18.8 osh-nosouffle mut+alloc+free+gc+exit
39 18 21 33.6 _bin/cxx-opt+nopool/osh mut+alloc
46 39 7 22.6 _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 22 1 1.6 dash -
42 41 1 3.4 bash -
324 174 172 3.7 zsh -
46 33 13 85.7 bumpleak/osh mut
47 38 9 86.1 _bin/cxx-opt+bumproot/osh mut
60 46 14 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 47 35 73.8 osh-native mut+alloc
90 59 31 75.6 osh-native mut+alloc+free
140 122 18 51.7 osh-native mut+alloc+free+gc
142 124 17 52.4 osh-native mut+alloc+free+gc+exit
93 60 32 74.1 osh-nosouffle mut+alloc
101 74 27 75.9 osh-nosouffle mut+alloc+free
152 120 32 52.0 osh-nosouffle mut+alloc+free+gc
151 129 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 85 41 98.7 _bin/cxx-opt+nopool/osh mut+alloc
189 158 30 71.7 _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 1 1 1.6 dash -
4 3 1 3.1 bash -
6 6 1 3.5 zsh -
6 4 2 11.5 bumpleak/osh mut
7 2 5 12.4 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
8 6 3 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 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 5 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 9 1 1.6 dash -
30 28 2 3.3 bash -
21 18 3 3.4 zsh -
17 11 6 32.5 bumpleak/osh mut
18 14 4 31.8 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.7 osh-native mut+alloc
30 13 17 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 26 9 27.7 osh-nosouffle mut+alloc+free
25 21 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
105 97 7 3.4 bash -
213 158 55 57.2 bumpleak/osh mut
224 172 52 56.1 _bin/cxx-opt+bumproot/osh mut
238 193 45 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 182 73 48.8 osh-native mut+alloc
262 173 89 50.7 osh-native mut+alloc+free
221 175 46 9.0 osh-native mut+alloc+free+gc
221 164 57 9.2 osh-native mut+alloc+free+gc+exit
260 194 66 49.2 osh-nosouffle mut+alloc
273 209 64 51.3 osh-nosouffle mut+alloc+free
227 174 53 9.7 osh-nosouffle mut+alloc+free+gc
228 187 41 9.4 osh-nosouffle mut+alloc+free+gc+exit
279 198 81 65.9 _bin/cxx-opt+nopool/osh mut+alloc
247 202 45 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
9 4 5 3.9 dash -
16 10 7 4.8 bash -
15 4 12 4.1 zsh -
18 7 11 13.3 bumpleak/osh mut
18 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
18 9 9 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.7 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 11 9 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
21 7 14 12.2 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc