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 18.0 476,686 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 164 28 75 46.1 51.4 1,653,274 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,877 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,142 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 3 10.6 8.5 995,219 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,286 478 3 85,334 1 42,667 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 3.0 bash -
105 64 46 3.3 zsh -
16 3 13 29.0 bumpleak/osh mut
21 16 4 28.9 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.2 osh-native mut+alloc
32 18 14 25.6 osh-native mut+alloc+free
37 29 7 18.0 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
51 42 8 22.0 _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
22 22 0 1.6 dash -
86 82 4 3.3 bash -
378 231 168 3.7 zsh -
50 42 8 85.2 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 45 54 73.3 osh-native mut+alloc
108 84 24 75.3 osh-native mut+alloc+free
164 139 24 51.4 osh-native mut+alloc+free+gc
191 170 20 52.1 osh-native mut+alloc+free+gc+exit
141 97 43 97.9 _bin/cxx-opt+nopool/osh mut+alloc
242 221 20 74.6 _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 3.4 zsh -
6 3 3 10.5 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 9.8 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _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 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.3 zsh -
19 19 0 31.0 bumpleak/osh mut
25 21 4 33.4 _bin/cxx-opt+bumproot/osh mut
29 20 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
39 23 15 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 42 12 35.8 _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
72 68 4 2.9 bash -
167 115 52 55.1 bumpleak/osh mut
180 108 72 55.8 _bin/cxx-opt+bumproot/osh mut
193 136 56 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 152 60 47.0 osh-native mut+alloc
218 137 81 48.9 osh-native mut+alloc+free
183 111 71 8.5 osh-native mut+alloc+free+gc
181 122 59 8.7 osh-native mut+alloc+free+gc+exit
236 164 72 62.8 _bin/cxx-opt+nopool/osh mut+alloc
209 161 48 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
11 9 2 3.3 dash -
20 13 7 4.3 bash -
18 7 12 3.5 zsh -
21 15 6 12.6 bumpleak/osh mut
20 12 9 12.4 _bin/cxx-opt+bumproot/osh mut
22 13 10 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 11.0 osh-native mut+alloc
24 15 9 10.9 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
23 22 2 8.8 osh-native mut+alloc+free+gc+exit
25 20 6 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 24 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc