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 39 6 12 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 150 24 62 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 8.0 584,145 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 23 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
7 6 0 1.4 dash -
24 23 0 3.1 bash -
104 57 54 3.4 zsh -
16 12 4 29.4 bumpleak/osh mut
21 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
39 35 4 17.7 osh-native mut+alloc+free+gc
38 30 7 18.0 osh-native mut+alloc+free+gc+exit
44 27 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 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 77 0 3.1 bash -
372 225 169 3.4 zsh -
50 38 11 84.7 bumpleak/osh mut
62 54 8 86.4 _bin/cxx-opt+bumproot/osh mut
69 57 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.5 osh-native mut+alloc
106 62 43 75.3 osh-native mut+alloc+free
150 134 16 51.4 osh-native mut+alloc+free+gc
153 141 12 52.2 osh-native mut+alloc+free+gc+exit
138 89 49 98.9 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 74.3 _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 0 6 12.0 bumpleak/osh mut
7 7 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 8 0 10.0 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 1.6 dash -
29 29 0 2.9 bash -
24 20 4 3.4 zsh -
19 15 4 32.1 bumpleak/osh mut
26 26 0 31.9 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.5 osh-native mut+alloc
39 19 19 26.7 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 38 15 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.7 _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
72 68 4 3.1 bash -
167 115 52 54.3 bumpleak/osh mut
181 117 64 56.2 _bin/cxx-opt+bumproot/osh mut
195 131 63 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 139 72 47.1 osh-native mut+alloc
218 137 81 48.9 osh-native mut+alloc+free
181 132 48 8.8 osh-native mut+alloc+free+gc
182 125 57 8.8 osh-native mut+alloc+free+gc+exit
231 151 80 64.5 _bin/cxx-opt+nopool/osh mut+alloc
208 158 49 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 9 1 3.4 dash -
20 19 1 4.5 bash -
18 10 8 3.5 zsh -
20 11 9 12.6 bumpleak/osh mut
23 11 11 13.0 _bin/cxx-opt+bumproot/osh mut
22 15 7 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
24 12 12 11.0 osh-native mut+alloc+free
23 22 2 8.9 osh-native mut+alloc+free+gc
24 16 8 8.9 osh-native mut+alloc+free+gc+exit
26 18 9 12.4 _bin/cxx-opt+nopool/osh mut+alloc
27 14 13 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc