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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 158 26 70 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.7 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 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
6 6 0 1.4 dash -
23 19 4 3.1 bash -
105 58 53 3.4 zsh -
16 16 0 29.8 bumpleak/osh mut
19 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
37 25 11 18.0 osh-native mut+alloc+free+gc
37 32 4 17.8 osh-native mut+alloc+free+gc+exit
43 32 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 22.2 _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
31 31 0 1.6 dash -
78 78 0 3.1 bash -
380 212 189 3.7 zsh -
49 34 15 84.4 bumpleak/osh mut
59 59 0 84.9 _bin/cxx-opt+bumproot/osh mut
70 54 16 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.4 osh-native mut+alloc
107 82 25 75.3 osh-native mut+alloc+free
158 130 28 51.6 osh-native mut+alloc+free+gc
169 153 16 52.1 osh-native mut+alloc+free+gc+exit
141 82 59 98.9 _bin/cxx-opt+nopool/osh mut+alloc
220 184 36 73.4 _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 8 0 3.3 zsh -
7 0 6 11.6 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 14 9 3.3 zsh -
19 19 0 31.2 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.5 osh-native mut+alloc
38 30 8 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 31 23 36.0 _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 65 8 3.0 bash -
168 104 64 53.7 bumpleak/osh mut
179 127 52 55.9 _bin/cxx-opt+bumproot/osh mut
194 141 52 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 136 76 47.0 osh-native mut+alloc
219 135 84 48.9 osh-native mut+alloc+free
181 137 43 8.8 osh-native mut+alloc+free+gc
182 115 67 8.7 osh-native mut+alloc+free+gc+exit
234 165 68 62.6 _bin/cxx-opt+nopool/osh mut+alloc
208 168 40 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 8 2 3.5 dash -
20 12 8 4.3 bash -
18 6 12 3.5 zsh -
18 12 7 13.0 bumpleak/osh mut
20 12 8 11.7 _bin/cxx-opt+bumproot/osh mut
21 7 15 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.9 osh-native mut+alloc
23 11 12 11.1 osh-native mut+alloc+free
23 11 12 8.9 osh-native mut+alloc+free+gc
24 17 7 8.8 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc