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 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 24 60 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 141 24 59 45.9 52.1 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 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 8.9 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 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 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,207 277 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 6 0 1.7 dash -
13 11 2 3.3 bash -
88 43 51 3.5 zsh -
15 12 4 29.2 bumpleak/osh mut
16 13 2 29.5 _bin/cxx-opt+bumproot/osh mut
19 12 6 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 17 10 25.7 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 29 2 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 18 12 26.5 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
34 25 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 37 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 1.7 dash -
42 41 1 3.4 bash -
327 181 169 3.7 zsh -
45 38 7 85.7 bumpleak/osh mut
48 39 9 86.2 _bin/cxx-opt+bumproot/osh mut
59 50 9 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 54 28 73.7 osh-native mut+alloc
91 58 33 75.4 osh-native mut+alloc+free
136 114 22 51.7 osh-native mut+alloc+free+gc
139 115 24 52.5 osh-native mut+alloc+free+gc+exit
91 61 30 74.1 osh-nosouffle mut+alloc
100 68 32 76.0 osh-nosouffle mut+alloc+free
141 113 28 52.1 osh-nosouffle mut+alloc+free+gc
147 119 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 69 55 98.5 _bin/cxx-opt+nopool/osh mut+alloc
199 167 32 73.8 _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 3 1 3.3 bash -
6 2 4 3.4 zsh -
6 4 2 13.3 bumpleak/osh mut
7 5 2 12.4 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 5 3 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 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 9 1 1.6 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
16 13 3 33.4 bumpleak/osh mut
18 13 5 33.7 _bin/cxx-opt+bumproot/osh mut
20 11 9 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 20 14 27.1 osh-nosouffle mut+alloc
35 25 9 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 3 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 98 5 3.4 bash -
212 159 53 56.8 bumpleak/osh mut
221 159 62 57.5 _bin/cxx-opt+bumproot/osh mut
238 167 71 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 185 76 48.8 osh-native mut+alloc
261 194 67 50.6 osh-native mut+alloc+free
221 164 56 8.9 osh-native mut+alloc+free+gc
221 168 53 9.2 osh-native mut+alloc+free+gc+exit
261 189 72 49.3 osh-nosouffle mut+alloc
269 197 72 51.1 osh-nosouffle mut+alloc+free
226 177 49 9.7 osh-nosouffle mut+alloc+free+gc
227 166 61 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 206 70 65.5 _bin/cxx-opt+nopool/osh mut+alloc
251 208 43 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 3.9 dash -
16 10 7 4.8 bash -
15 9 7 3.9 zsh -
18 7 12 13.3 bumpleak/osh mut
19 10 9 13.8 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
20 9 11 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 7 14 9.4 osh-native mut+alloc+free+gc+exit
20 12 9 12.1 osh-nosouffle mut+alloc
21 8 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 9.8 osh-nosouffle mut+alloc+free+gc
22 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc