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 33 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 140 27 65 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 25 65 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 8.7 102,780 180 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 1 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 9.4 117,272 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,271 277 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 6 1 1.6 dash -
13 12 1 3.4 bash -
89 48 47 3.4 zsh -
16 10 6 29.2 bumpleak/osh mut
17 12 4 30.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 11 25.4 osh-native mut+alloc
28 14 15 25.7 osh-native mut+alloc+free
33 26 7 18.2 osh-native mut+alloc+free+gc
34 28 7 18.4 osh-native mut+alloc+free+gc+exit
28 20 9 26.0 osh-nosouffle mut+alloc
31 17 14 26.3 osh-nosouffle mut+alloc+free
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc
37 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 28 12 33.7 _bin/cxx-opt+nopool/osh mut+alloc
47 34 12 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 21 2 1.6 dash -
44 43 1 3.4 bash -
322 187 158 3.7 zsh -
46 33 13 85.5 bumpleak/osh mut
49 40 9 84.8 _bin/cxx-opt+bumproot/osh mut
60 43 17 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 44 39 73.7 osh-native mut+alloc
92 60 32 75.5 osh-native mut+alloc+free
140 125 15 51.7 osh-native mut+alloc+free+gc
145 120 25 52.3 osh-native mut+alloc+free+gc+exit
94 60 34 74.0 osh-nosouffle mut+alloc
100 66 34 75.9 osh-nosouffle mut+alloc+free
147 124 23 52.1 osh-nosouffle mut+alloc+free+gc
154 131 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 80 46 98.1 _bin/cxx-opt+nopool/osh mut+alloc
210 175 35 73.5 _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 3 4 3.5 zsh -
6 5 1 11.5 bumpleak/osh mut
6 2 4 12.2 _bin/cxx-opt+bumproot/osh mut
7 3 3 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.4 osh-native mut+alloc
9 5 4 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 7 3 9.0 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _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
9 9 0 1.4 dash -
31 31 0 3.3 bash -
21 19 2 3.3 zsh -
17 12 5 32.4 bumpleak/osh mut
18 13 5 32.1 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 14 6 8.4 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 22 12 27.4 osh-nosouffle mut+alloc
35 27 9 27.8 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 21 3 8.9 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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 -
215 160 54 56.8 bumpleak/osh mut
222 182 40 57.5 _bin/cxx-opt+bumproot/osh mut
242 181 61 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 183 71 48.8 osh-native mut+alloc
263 200 63 50.5 osh-native mut+alloc+free
222 168 54 9.0 osh-native mut+alloc+free+gc
221 174 47 8.9 osh-native mut+alloc+free+gc+exit
263 188 75 49.3 osh-nosouffle mut+alloc
270 201 69 51.2 osh-nosouffle mut+alloc+free
229 181 48 9.4 osh-nosouffle mut+alloc+free+gc
228 178 50 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 206 72 64.2 _bin/cxx-opt+nopool/osh mut+alloc
251 201 50 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 6 3 3.9 dash -
16 6 10 4.8 bash -
15 7 9 3.9 zsh -
17 9 9 14.3 bumpleak/osh mut
18 9 10 14.3 _bin/cxx-opt+bumproot/osh mut
19 7 13 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 13 7 11.5 osh-native mut+alloc
21 8 13 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
22 13 10 12.2 osh-nosouffle mut+alloc+free
22 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 6 17 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc