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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 156 24 69 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 926 0 4 2.4 8.0 934,991 22,608 19 50,000 0 2,845 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,644 12,911 21 50,000 0 3,835 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 270 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
23 19 4 3.0 bash -
105 63 48 3.4 zsh -
17 13 3 29.7 bumpleak/osh mut
19 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.3 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
37 30 7 18.0 osh-native mut+alloc+free+gc
51 39 12 18.0 osh-native mut+alloc+free+gc+exit
43 39 4 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 50 0 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 18 4 1.6 dash -
78 70 8 3.1 bash -
378 233 165 3.7 zsh -
48 37 11 85.5 bumpleak/osh mut
59 47 12 84.6 _bin/cxx-opt+bumproot/osh mut
70 70 0 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 51 47 73.4 osh-native mut+alloc
109 76 32 75.3 osh-native mut+alloc+free
156 124 32 49.8 osh-native mut+alloc+free+gc
166 150 16 50.6 osh-native mut+alloc+free+gc+exit
139 115 24 97.5 _bin/cxx-opt+nopool/osh mut+alloc
218 178 40 68.1 _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 3.0 bash -
8 4 4 3.1 zsh -
7 3 3 11.4 bumpleak/osh mut
7 4 4 11.4 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _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 1.6 dash -
29 28 0 3.0 bash -
24 23 0 3.1 zsh -
968 964 4 47.1 bumpleak/osh mut
966 961 4 47.9 _bin/cxx-opt+bumproot/osh mut
906 902 4 48.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
942 918 24 38.4 osh-native mut+alloc
952 944 8 38.8 osh-native mut+alloc+free
926 926 0 8.0 osh-native mut+alloc+free+gc
930 926 4 8.1 osh-native mut+alloc+free+gc+exit
1,056 1,023 32 56.5 _bin/cxx-opt+nopool/osh mut+alloc
917 913 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
73 72 0 3.1 bash -
168 104 64 54.8 bumpleak/osh mut
180 139 40 54.3 _bin/cxx-opt+bumproot/osh mut
196 132 64 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 126 87 46.9 osh-native mut+alloc
219 135 83 48.7 osh-native mut+alloc+free
181 121 60 8.7 osh-native mut+alloc+free+gc
181 117 64 8.5 osh-native mut+alloc+free+gc+exit
236 152 84 64.2 _bin/cxx-opt+nopool/osh mut+alloc
211 163 48 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 5 6 3.4 dash -
20 13 7 4.3 bash -
18 7 12 3.5 zsh -
20 18 2 12.0 bumpleak/osh mut
19 11 9 12.1 _bin/cxx-opt+bumproot/osh mut
20 15 5 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
22 21 2 8.9 osh-native mut+alloc+free+gc
23 18 5 9.0 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc