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 18.0 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 165 26 71 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 10 1 2 2.6 8.3 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 178 0 3 10.6 8.7 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,282 478 3 85,330 1 42,665 osh-native

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 -
23 19 4 3.1 bash -
104 61 50 3.4 zsh -
16 16 0 29.7 bumpleak/osh mut
19 11 8 29.0 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 13 24.9 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
37 32 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 31.9 _bin/cxx-opt+nopool/osh mut+alloc
50 38 11 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 21 0 1.6 dash -
78 74 4 3.1 bash -
376 218 179 3.7 zsh -
49 45 4 83.8 bumpleak/osh mut
60 56 4 85.0 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 41 57 73.4 osh-native mut+alloc
106 55 51 75.3 osh-native mut+alloc+free
165 128 36 51.6 osh-native mut+alloc+free+gc
158 126 32 52.4 osh-native mut+alloc+free+gc+exit
139 95 44 97.7 _bin/cxx-opt+nopool/osh mut+alloc
233 196 36 73.9 _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 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.1 zsh -
6 3 3 11.4 bumpleak/osh mut
7 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
10 6 3 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 1.4 dash -
28 28 0 2.9 bash -
25 25 0 3.3 zsh -
19 15 4 31.7 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 28 0 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 9.3 _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
74 70 4 3.1 bash -
167 106 61 55.4 bumpleak/osh mut
178 127 51 55.5 _bin/cxx-opt+bumproot/osh mut
193 128 64 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 147 64 47.1 osh-native mut+alloc
218 130 87 48.9 osh-native mut+alloc+free
178 131 48 8.7 osh-native mut+alloc+free+gc
182 129 52 8.8 osh-native mut+alloc+free+gc+exit
229 136 92 64.1 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 10.1 _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 8 2 3.5 dash -
20 14 6 4.3 bash -
18 10 9 3.4 zsh -
21 12 8 12.6 bumpleak/osh mut
20 18 3 12.0 _bin/cxx-opt+bumproot/osh mut
20 15 5 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.9 osh-native mut+alloc
23 21 2 10.9 osh-native mut+alloc+free
23 12 11 8.9 osh-native mut+alloc+free+gc
23 19 5 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 22 5 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc