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 35 3 9 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 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 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,289 478 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
6 3 3 1.4 dash -
23 23 0 2.9 bash -
103 66 44 3.4 zsh -
16 12 4 28.7 bumpleak/osh mut
20 20 0 28.6 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.2 osh-native mut+alloc
31 27 4 25.4 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 26 17 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 21.9 _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 17 4 1.4 dash -
78 74 4 3.1 bash -
378 232 166 3.5 zsh -
49 45 4 85.5 bumpleak/osh mut
62 54 8 84.4 _bin/cxx-opt+bumproot/osh mut
69 53 16 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 52 44 73.6 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
148 128 20 51.6 osh-native mut+alloc+free+gc
152 136 16 52.2 osh-native mut+alloc+free+gc+exit
139 106 33 98.2 _bin/cxx-opt+nopool/osh mut+alloc
217 197 20 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 2 0 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
7 3 3 11.5 bumpleak/osh mut
6 6 0 10.7 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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 7 3 1.4 dash -
28 24 4 3.0 bash -
24 24 0 3.3 zsh -
19 15 4 31.9 bumpleak/osh mut
25 21 4 31.7 _bin/cxx-opt+bumproot/osh mut
29 14 14 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
37 25 12 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 33 21 36.0 _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 -
166 154 12 54.0 bumpleak/osh mut
184 120 64 56.1 _bin/cxx-opt+bumproot/osh mut
194 161 32 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 76 46.9 osh-native mut+alloc
218 150 67 48.8 osh-native mut+alloc+free
182 109 73 8.7 osh-native mut+alloc+free+gc
181 114 67 8.8 osh-native mut+alloc+free+gc+exit
232 148 84 63.3 _bin/cxx-opt+nopool/osh mut+alloc
206 142 63 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 7 3 3.5 dash -
20 19 1 4.5 bash -
18 8 11 3.4 zsh -
21 14 6 12.6 bumpleak/osh mut
21 13 8 12.7 _bin/cxx-opt+bumproot/osh mut
21 17 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 11.0 osh-native mut+alloc
22 7 16 11.0 osh-native mut+alloc+free
22 21 2 8.9 osh-native mut+alloc+free+gc
23 13 10 8.8 osh-native mut+alloc+free+gc+exit
24 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc