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 4 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 154 24 66 46.1 51.7 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 2 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 995,222 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 6 0 1.6 dash -
23 23 0 3.0 bash -
105 69 43 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
19 15 4 29.2 _bin/cxx-opt+bumproot/osh mut
23 19 5 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.0 osh-native mut+alloc
31 15 15 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
36 36 0 17.8 osh-native mut+alloc+free+gc+exit
43 19 23 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 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 21 0 1.6 dash -
77 73 4 3.0 bash -
375 190 206 3.4 zsh -
49 37 12 85.8 bumpleak/osh mut
60 56 4 85.2 _bin/cxx-opt+bumproot/osh mut
70 50 19 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 60 36 73.4 osh-native mut+alloc
105 62 43 75.1 osh-native mut+alloc+free
154 133 20 51.7 osh-native mut+alloc+free+gc
158 150 8 52.2 osh-native mut+alloc+free+gc+exit
140 96 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
208 184 24 71.3 _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 -
6 3 3 11.1 bumpleak/osh mut
7 0 7 12.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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
11 11 0 1.4 dash -
29 21 7 2.9 bash -
24 16 8 3.3 zsh -
19 15 4 31.0 bumpleak/osh mut
26 25 0 32.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
38 17 21 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 35 19 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
73 65 8 3.1 bash -
169 116 52 55.1 bumpleak/osh mut
179 127 52 55.3 _bin/cxx-opt+bumproot/osh mut
193 141 52 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 119 91 47.0 osh-native mut+alloc
215 139 76 48.5 osh-native mut+alloc+free
181 124 56 8.8 osh-native mut+alloc+free+gc
180 128 52 8.8 osh-native mut+alloc+free+gc+exit
229 132 96 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 160 48 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 3.3 dash -
19 18 2 4.3 bash -
18 6 12 3.4 zsh -
19 11 8 13.4 bumpleak/osh mut
19 13 6 11.9 _bin/cxx-opt+bumproot/osh mut
20 12 9 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
22 20 3 10.9 osh-native mut+alloc+free
22 14 9 8.9 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc