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 36 4 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 150 24 62 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 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.4 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,222 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
7 3 3 1.6 dash -
23 23 0 3.1 bash -
104 53 58 3.3 zsh -
16 12 4 28.8 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.2 osh-native mut+alloc
32 8 24 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 33.3 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 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
22 22 0 1.4 dash -
78 74 4 3.1 bash -
380 199 202 3.5 zsh -
50 34 15 84.7 bumpleak/osh mut
60 55 4 84.4 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 75 24 73.3 osh-native mut+alloc
107 66 41 75.4 osh-native mut+alloc+free
150 130 20 51.6 osh-native mut+alloc+free+gc
157 117 39 52.2 osh-native mut+alloc+free+gc+exit
140 100 40 99.1 _bin/cxx-opt+nopool/osh mut+alloc
214 177 36 73.7 _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 4 4 3.4 zsh -
6 6 0 10.5 bumpleak/osh mut
7 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 1.4 dash -
28 28 0 2.9 bash -
23 23 0 3.3 zsh -
20 12 8 31.5 bumpleak/osh mut
25 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.1 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 51 4 36.2 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 72 0 3.0 bash -
169 133 36 53.7 bumpleak/osh mut
179 107 72 55.7 _bin/cxx-opt+bumproot/osh mut
199 142 57 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 153 60 46.9 osh-native mut+alloc
216 148 68 48.7 osh-native mut+alloc+free
182 158 24 8.7 osh-native mut+alloc+free+gc
182 123 59 8.7 osh-native mut+alloc+free+gc+exit
234 155 79 63.0 _bin/cxx-opt+nopool/osh mut+alloc
207 138 69 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 7 3 3.5 dash -
19 13 7 4.3 bash -
18 14 5 3.5 zsh -
19 14 5 12.4 bumpleak/osh mut
19 17 3 12.5 _bin/cxx-opt+bumproot/osh mut
21 19 2 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 11.0 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 19 4 8.8 osh-native mut+alloc+free+gc
23 14 10 9.0 osh-native mut+alloc+free+gc+exit
24 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc