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 32 4 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.9 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 133 24 61 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 143 24 60 45.9 52.4 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 9.3 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 576,705 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 3 11.6 9.2 990,260 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,259 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,247 277 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
90 59 37 3.5 zsh -
15 11 4 29.1 bumpleak/osh mut
15 10 6 29.5 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 22 12 25.6 osh-native mut+alloc
27 17 10 25.8 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
32 23 9 18.1 osh-native mut+alloc+free+gc+exit
28 21 7 26.0 osh-nosouffle mut+alloc
30 19 12 26.2 osh-nosouffle mut+alloc+free
34 23 11 18.9 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.3 _bin/cxx-opt+nopool/osh mut+alloc
54 37 17 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 40 2 3.4 bash -
329 181 170 3.8 zsh -
44 35 9 85.3 bumpleak/osh mut
48 39 9 86.4 _bin/cxx-opt+bumproot/osh mut
59 43 16 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 45 37 73.7 osh-native mut+alloc
89 57 32 75.6 osh-native mut+alloc+free
133 107 26 51.7 osh-native mut+alloc+free+gc
140 114 26 52.4 osh-native mut+alloc+free+gc+exit
93 64 28 74.2 osh-nosouffle mut+alloc
101 63 38 75.9 osh-nosouffle mut+alloc+free
143 123 20 52.4 osh-nosouffle mut+alloc+free+gc
152 128 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 85 43 97.6 _bin/cxx-opt+nopool/osh mut+alloc
203 169 34 72.3 _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 1 3.0 bash -
6 4 3 3.4 zsh -
6 2 4 13.2 bumpleak/osh mut
6 4 2 11.7 _bin/cxx-opt+bumproot/osh mut
7 5 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 7 1 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 3 6 8.8 osh-native mut+alloc+free+gc+exit
8 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 3 8 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.4 _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 8 1 1.4 dash -
30 29 1 3.3 bash -
21 17 4 3.4 zsh -
16 14 2 32.1 bumpleak/osh mut
18 12 6 32.5 _bin/cxx-opt+bumproot/osh mut
21 17 4 34.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 14 27.0 osh-native mut+alloc
30 20 10 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 21 13 27.4 osh-nosouffle mut+alloc
35 25 10 27.8 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 100 3 3.4 bash -
214 152 62 57.8 bumpleak/osh mut
220 171 49 57.6 _bin/cxx-opt+bumproot/osh mut
239 180 59 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 188 68 48.8 osh-native mut+alloc
263 207 56 50.7 osh-native mut+alloc+free
222 165 57 9.2 osh-native mut+alloc+free+gc
222 174 48 8.9 osh-native mut+alloc+free+gc+exit
263 191 72 49.3 osh-nosouffle mut+alloc
271 200 71 51.1 osh-nosouffle mut+alloc+free
227 183 44 9.6 osh-nosouffle mut+alloc+free+gc
226 172 54 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 200 78 64.8 _bin/cxx-opt+nopool/osh mut+alloc
250 203 47 10.6 _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 4.1 dash -
16 10 6 5.0 bash -
15 9 7 3.9 zsh -
17 7 10 14.3 bumpleak/osh mut
20 8 12 13.8 _bin/cxx-opt+bumproot/osh mut
20 6 14 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
20 11 10 11.8 osh-native mut+alloc+free
21 13 8 9.3 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 9 13 12.1 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc