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 42 6 15 12.0 17.7 476,690 1,282 6 408,762 5 204,381 osh-native
parse.configure-coreutils 194 31 101 46.1 51.6 1,653,278 4,764 12 1,069,128 6 798,645 osh-native
parse.abuild 10 1 1 2.6 8.5 101,881 180 2 75,104 1 37,552 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,146 31,810 12 50,000 0 2,828 osh-native
ex.bashcomp-parse-help 187 0 5 10.6 8.8 995,223 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,290 478 3 85,340 1 42,670 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
24 23 0 3.0 bash -
107 53 60 3.4 zsh -
17 17 0 28.8 bumpleak/osh mut
20 8 12 29.1 _bin/cxx-opt+bumproot/osh mut
24 16 8 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
42 33 8 17.7 osh-native mut+alloc+free+gc
41 36 4 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 33.3 _bin/cxx-opt+nopool/osh mut+alloc
63 55 8 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 17 4 1.4 dash -
77 77 0 3.3 bash -
384 180 225 3.5 zsh -
49 38 11 84.8 bumpleak/osh mut
60 48 12 84.8 _bin/cxx-opt+bumproot/osh mut
70 47 23 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 27 73.6 osh-native mut+alloc
108 76 32 75.3 osh-native mut+alloc+free
194 169 24 51.6 osh-native mut+alloc+free+gc
191 171 20 50.6 osh-native mut+alloc+free+gc+exit
140 92 48 98.8 _bin/cxx-opt+nopool/osh mut+alloc
274 213 60 73.0 _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 0 8 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
7 0 7 10.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 3 6 10.2 osh-native mut+alloc+free
10 9 0 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
13 8 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 1.6 dash -
29 29 0 3.0 bash -
24 20 4 3.4 zsh -
19 0 19 31.6 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 18 11 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.3 osh-native mut+alloc
40 35 4 26.7 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
29 29 0 7.7 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _bin/cxx-opt+nopool/osh mut+alloc
39 35 4 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 62 12 3.1 bash -
170 133 36 55.0 bumpleak/osh mut
179 135 45 56.1 _bin/cxx-opt+bumproot/osh mut
198 121 77 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 139 76 47.1 osh-native mut+alloc
227 131 95 48.9 osh-native mut+alloc+free
187 131 56 8.8 osh-native mut+alloc+free+gc
185 142 43 8.7 osh-native mut+alloc+free+gc+exit
232 136 96 63.3 _bin/cxx-opt+nopool/osh mut+alloc
230 186 44 9.9 _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 2 3.4 dash -
21 16 5 4.5 bash -
19 8 11 3.5 zsh -
21 17 4 12.6 bumpleak/osh mut
20 16 4 12.4 _bin/cxx-opt+bumproot/osh mut
22 9 14 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 16 8 10.9 osh-native mut+alloc
24 16 8 10.7 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
24 24 1 8.9 osh-native mut+alloc+free+gc+exit
25 11 15 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 25 2 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc