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 36 3 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 160 26 71 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,289 478 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
7 3 3 1.6 dash -
23 19 4 2.9 bash -
106 65 47 3.3 zsh -
16 8 8 28.6 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 8 21 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
36 20 16 17.7 osh-native mut+alloc+free+gc+exit
43 30 13 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 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 1.4 dash -
79 78 0 3.1 bash -
380 220 183 3.5 zsh -
49 36 12 84.1 bumpleak/osh mut
61 49 11 84.9 _bin/cxx-opt+bumproot/osh mut
71 27 43 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.4 osh-native mut+alloc
107 60 48 75.3 osh-native mut+alloc+free
160 136 24 51.6 osh-native mut+alloc+free+gc
156 128 28 52.2 osh-native mut+alloc+free+gc+exit
140 76 64 98.0 _bin/cxx-opt+nopool/osh mut+alloc
209 157 52 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 2 0 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.4 zsh -
6 3 3 11.1 bumpleak/osh mut
7 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 6 3 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
12 0 12 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
11 10 0 1.4 dash -
28 28 0 2.9 bash -
23 19 5 3.3 zsh -
18 14 5 31.2 bumpleak/osh mut
26 17 8 31.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.5 osh-native mut+alloc
39 27 11 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
56 40 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 34 4 9.5 _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 73 0 3.1 bash -
167 114 53 54.1 bumpleak/osh mut
182 102 79 56.3 _bin/cxx-opt+bumproot/osh mut
194 137 57 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 150 59 46.9 osh-native mut+alloc
217 149 68 49.1 osh-native mut+alloc+free
182 121 61 8.8 osh-native mut+alloc+free+gc
180 128 52 8.8 osh-native mut+alloc+free+gc+exit
231 143 88 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 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 8 2 3.4 dash -
20 13 7 4.3 bash -
18 8 11 3.4 zsh -
20 11 9 12.2 bumpleak/osh mut
21 20 2 12.6 _bin/cxx-opt+bumproot/osh mut
20 17 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 10.7 osh-native mut+alloc
23 13 10 10.9 osh-native mut+alloc+free
22 21 1 8.7 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 23 3 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc