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 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 136 26 63 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 24 61 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 8.5 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 9 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 8.4 576,705 22,608 12 50,000 0 2,976 osh-native
ex.compute-fib 25 0 2 2.8 8.7 576,705 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.4 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,247 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,246 277 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 1.6 dash -
13 12 1 3.3 bash -
89 57 39 3.5 zsh -
16 12 5 29.0 bumpleak/osh mut
16 12 4 30.3 _bin/cxx-opt+bumproot/osh mut
19 13 5 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.3 osh-native mut+alloc
27 16 11 26.0 osh-native mut+alloc+free
31 25 6 18.1 osh-native mut+alloc+free+gc
32 24 8 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 25.8 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
34 22 12 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.5 _bin/cxx-opt+nopool/osh mut+alloc
45 34 11 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 -
323 191 155 3.7 zsh -
44 34 10 85.3 bumpleak/osh mut
47 38 9 86.0 _bin/cxx-opt+bumproot/osh mut
59 47 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 44 37 73.7 osh-native mut+alloc
90 57 34 75.5 osh-native mut+alloc+free
136 116 20 51.7 osh-native mut+alloc+free+gc
141 119 22 52.2 osh-native mut+alloc+free+gc+exit
91 55 36 74.1 osh-nosouffle mut+alloc
103 71 31 75.9 osh-nosouffle mut+alloc+free
143 111 32 52.1 osh-nosouffle mut+alloc+free+gc
148 123 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 73 54 99.0 _bin/cxx-opt+nopool/osh mut+alloc
203 166 37 72.9 _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 1.8 dash -
4 2 1 3.1 bash -
6 4 2 3.4 zsh -
6 4 2 11.3 bumpleak/osh mut
6 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 3 5 10.9 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 5 3 10.9 osh-nosouffle mut+alloc
9 4 5 11.3 osh-nosouffle mut+alloc+free
9 9 0 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 1.7 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
16 13 3 31.7 bumpleak/osh mut
18 14 4 31.7 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
31 20 11 27.4 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
36 27 9 27.8 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 27 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
104 100 4 3.5 bash -
214 161 53 56.3 bumpleak/osh mut
220 169 51 57.6 _bin/cxx-opt+bumproot/osh mut
236 175 61 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 180 77 48.7 osh-native mut+alloc
265 194 71 50.5 osh-native mut+alloc+free
222 172 50 9.0 osh-native mut+alloc+free+gc
223 167 56 9.0 osh-native mut+alloc+free+gc+exit
262 188 73 49.3 osh-nosouffle mut+alloc
268 186 82 51.1 osh-nosouffle mut+alloc+free
229 176 53 9.4 osh-nosouffle mut+alloc+free+gc
228 181 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 207 70 66.0 _bin/cxx-opt+nopool/osh mut+alloc
250 200 50 10.4 _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 5 11 4.7 bash -
16 5 12 3.9 zsh -
18 7 12 12.8 bumpleak/osh mut
18 6 12 12.6 _bin/cxx-opt+bumproot/osh mut
19 8 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
21 8 14 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc