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 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 134 24 61 45.9 51.9 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 24 61 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 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.2 102,780 180 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 8.9 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,207 277 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
6 5 2 1.7 dash -
13 11 2 3.3 bash -
89 52 44 3.4 zsh -
15 10 5 29.7 bumpleak/osh mut
16 12 4 29.2 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 21 6 26.0 osh-native mut+alloc+free
31 22 9 18.1 osh-native mut+alloc+free+gc
32 26 6 18.1 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
29 21 8 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.7 osh-nosouffle mut+alloc+free+gc
35 25 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 22 1 1.7 dash -
42 41 1 3.5 bash -
326 198 150 3.8 zsh -
45 36 9 86.1 bumpleak/osh mut
52 43 8 85.6 _bin/cxx-opt+bumproot/osh mut
60 45 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
91 52 39 75.7 osh-native mut+alloc+free
134 112 23 51.9 osh-native mut+alloc+free+gc
139 117 22 52.4 osh-native mut+alloc+free+gc+exit
93 59 34 74.2 osh-nosouffle mut+alloc
99 57 43 75.9 osh-nosouffle mut+alloc+free
143 124 19 52.0 osh-nosouffle mut+alloc+free+gc
148 126 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 81 42 97.5 _bin/cxx-opt+nopool/osh mut+alloc
204 173 31 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
2 1 1 1.7 dash -
4 2 2 3.1 bash -
6 4 3 3.4 zsh -
7 3 3 12.1 bumpleak/osh mut
6 4 3 12.1 _bin/cxx-opt+bumproot/osh mut
7 2 5 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 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
10 10 0 1.6 dash -
33 31 2 3.3 bash -
21 13 8 3.4 zsh -
17 13 4 32.4 bumpleak/osh mut
19 13 6 33.1 _bin/cxx-opt+bumproot/osh mut
22 16 6 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
31 22 9 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
34 22 12 27.1 osh-nosouffle mut+alloc
36 21 14 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.9 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 100 5 3.5 bash -
214 163 51 56.8 bumpleak/osh mut
222 160 62 56.2 _bin/cxx-opt+bumproot/osh mut
238 175 63 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 184 76 48.8 osh-native mut+alloc
268 190 78 50.7 osh-native mut+alloc+free
221 166 55 9.2 osh-native mut+alloc+free+gc
224 172 53 9.0 osh-native mut+alloc+free+gc+exit
261 186 75 49.3 osh-nosouffle mut+alloc
270 202 68 51.3 osh-nosouffle mut+alloc+free
228 178 50 9.6 osh-nosouffle mut+alloc+free+gc
232 184 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 210 70 65.4 _bin/cxx-opt+nopool/osh mut+alloc
252 200 51 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 7 9 4.6 bash -
16 8 8 3.9 zsh -
19 9 11 13.8 bumpleak/osh mut
18 9 9 14.3 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.5 osh-native mut+alloc
21 12 10 11.8 osh-native mut+alloc+free
21 12 9 9.3 osh-native mut+alloc+free+gc
22 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
23 11 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc