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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 145 22 59 46.1 51.4 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 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 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 1.4 dash -
23 23 0 3.0 bash -
105 55 56 3.3 zsh -
16 16 0 27.8 bumpleak/osh mut
19 19 0 29.0 _bin/cxx-opt+bumproot/osh mut
23 9 13 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 16 27 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 39 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 18 4 1.6 dash -
77 77 0 3.1 bash -
378 212 187 3.7 zsh -
49 45 4 85.6 bumpleak/osh mut
59 43 16 85.3 _bin/cxx-opt+bumproot/osh mut
71 59 12 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 70 27 73.4 osh-native mut+alloc
106 67 39 75.2 osh-native mut+alloc+free
145 125 20 51.4 osh-native mut+alloc+free+gc
153 124 28 52.4 osh-native mut+alloc+free+gc+exit
140 100 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
206 174 32 72.5 _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 3 3 2.9 bash -
8 7 0 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
7 3 3 11.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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 7 3 1.3 dash -
28 28 0 2.9 bash -
24 16 8 3.4 zsh -
19 15 4 31.3 bumpleak/osh mut
25 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.5 osh-native mut+alloc
38 25 13 26.7 osh-native mut+alloc+free
28 23 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 42 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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
73 69 4 3.1 bash -
166 79 87 55.5 bumpleak/osh mut
179 127 52 55.8 _bin/cxx-opt+bumproot/osh mut
194 121 73 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 46.9 osh-native mut+alloc
216 156 60 48.9 osh-native mut+alloc+free
181 145 36 8.5 osh-native mut+alloc+free+gc
181 120 60 8.8 osh-native mut+alloc+free+gc+exit
233 161 72 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 9 1 3.4 dash -
19 18 2 4.2 bash -
18 6 12 3.5 zsh -
18 17 2 13.1 bumpleak/osh mut
19 14 6 13.6 _bin/cxx-opt+bumproot/osh mut
20 11 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 19 3 8.8 osh-native mut+alloc+free+gc
23 17 6 9.0 osh-native mut+alloc+free+gc+exit
25 19 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc