Memory Management Overhead

Source code: oil/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 37 4 10 12.0 18.1 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 173 30 83 46.1 51.6 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 10 1 2 2.6 8.4 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 180 0 4 10.6 8.8 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,279 478 3 85,326 1 42,663 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 19 4 3.0 bash -
106 61 51 3.4 zsh -
16 16 0 29.0 bumpleak/osh mut
20 12 8 29.0 _bin/cxx-opt+bumproot/osh mut
24 23 0 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
37 28 8 18.1 osh-native mut+alloc+free+gc
39 30 9 17.8 osh-native mut+alloc+free+gc+exit
44 32 12 32.4 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 22.1 _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
21 18 4 1.4 dash -
78 74 4 3.3 bash -
379 218 180 3.5 zsh -
50 34 15 84.1 bumpleak/osh mut
62 53 8 86.2 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 70 29 73.3 osh-native mut+alloc
106 75 32 75.3 osh-native mut+alloc+free
173 153 20 51.6 osh-native mut+alloc+free+gc
171 155 16 52.1 osh-native mut+alloc+free+gc+exit
142 101 40 98.4 _bin/cxx-opt+nopool/osh mut+alloc
239 199 40 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 0 2 1.4 dash -
6 3 3 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.0 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
10 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 6 6 9.3 _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 -
28 28 0 2.8 bash -
24 8 16 3.3 zsh -
19 19 0 31.0 bumpleak/osh mut
26 21 4 32.2 _bin/cxx-opt+bumproot/osh mut
29 18 11 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
39 30 9 26.7 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 34 19 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.4 _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
73 69 4 3.1 bash -
168 100 68 54.6 bumpleak/osh mut
179 131 48 55.3 _bin/cxx-opt+bumproot/osh mut
194 169 24 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 116 96 47.1 osh-native mut+alloc
219 143 76 48.9 osh-native mut+alloc+free
180 132 48 8.8 osh-native mut+alloc+free+gc
182 150 32 8.7 osh-native mut+alloc+free+gc+exit
232 136 96 62.5 _bin/cxx-opt+nopool/osh mut+alloc
209 162 47 10.2 _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
10 5 6 3.4 dash -
20 15 6 4.5 bash -
18 11 8 3.5 zsh -
19 10 9 11.2 bumpleak/osh mut
21 11 10 13.9 _bin/cxx-opt+bumproot/osh mut
21 6 16 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.5 osh-native mut+alloc
23 21 3 10.9 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
25 21 5 8.8 osh-native mut+alloc+free+gc+exit
25 17 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 20 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc