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 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 166 26 78 46.1 51.5 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 29 0 2 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 8.8 995,222 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 3 3 1.6 dash -
24 19 4 3.1 bash -
102 55 53 3.3 zsh -
16 12 4 28.9 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 22 0 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
32 28 4 25.7 osh-native mut+alloc+free
37 28 8 18.1 osh-native mut+alloc+free+gc
37 29 8 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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
22 21 0 1.6 dash -
78 78 0 3.1 bash -
373 230 165 3.7 zsh -
49 30 19 84.5 bumpleak/osh mut
60 49 11 84.6 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
107 58 49 75.4 osh-native mut+alloc+free
166 146 20 51.5 osh-native mut+alloc+free+gc
160 147 12 52.1 osh-native mut+alloc+free+gc+exit
139 103 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
215 171 44 72.8 _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 3.0 bash -
8 4 4 3.4 zsh -
6 6 0 10.7 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 1.6 dash -
29 25 4 2.9 bash -
25 16 8 3.3 zsh -
19 14 5 32.8 bumpleak/osh mut
26 26 0 32.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.3 osh-native mut+alloc
39 30 9 26.9 osh-native mut+alloc+free
29 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 38 17 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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
73 73 0 3.1 bash -
168 100 68 54.7 bumpleak/osh mut
181 128 52 56.0 _bin/cxx-opt+bumproot/osh mut
192 116 76 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 47.0 osh-native mut+alloc
219 159 60 48.9 osh-native mut+alloc+free
181 110 71 8.8 osh-native mut+alloc+free+gc
181 122 59 8.7 osh-native mut+alloc+free+gc+exit
230 141 89 63.0 _bin/cxx-opt+nopool/osh mut+alloc
209 148 60 10.0 _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 1 3.4 dash -
19 16 4 4.5 bash -
18 12 7 3.5 zsh -
20 12 9 12.1 bumpleak/osh mut
20 12 8 13.8 _bin/cxx-opt+bumproot/osh mut
21 12 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 9 10.7 osh-native mut+alloc
24 11 12 11.1 osh-native mut+alloc+free
22 20 3 8.9 osh-native mut+alloc+free+gc
23 14 10 8.8 osh-native mut+alloc+free+gc+exit
26 17 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc