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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 169 29 80 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 186 0 4 12.3 8.8 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,240 478 3 85,322 1 42,661 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 -
107 49 64 3.4 zsh -
17 3 13 29.1 bumpleak/osh mut
20 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 24.9 osh-native mut+alloc
33 21 11 25.4 osh-native mut+alloc+free
37 19 19 17.8 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
45 24 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
52 40 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
21 21 0 1.6 dash -
80 76 4 3.3 bash -
376 212 186 3.7 zsh -
50 35 15 84.7 bumpleak/osh mut
60 44 16 84.2 _bin/cxx-opt+bumproot/osh mut
71 67 4 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 65 33 73.4 osh-native mut+alloc
107 75 32 75.3 osh-native mut+alloc+free
169 133 36 51.4 osh-native mut+alloc+free+gc
174 142 32 52.1 osh-native mut+alloc+free+gc+exit
140 88 52 97.4 _bin/cxx-opt+nopool/osh mut+alloc
246 209 36 74.0 _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 0 2 1.3 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.8 bumpleak/osh mut
7 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 10 0 1.3 dash -
29 29 0 2.9 bash -
24 12 12 3.3 zsh -
19 19 0 31.3 bumpleak/osh mut
25 16 8 31.4 _bin/cxx-opt+bumproot/osh mut
29 28 0 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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 73 0 3.1 bash -
170 99 71 56.5 bumpleak/osh mut
183 122 61 57.5 _bin/cxx-opt+bumproot/osh mut
196 155 40 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 130 83 48.9 osh-native mut+alloc
221 177 44 50.8 osh-native mut+alloc+free
186 129 57 8.8 osh-native mut+alloc+free+gc
183 139 44 8.7 osh-native mut+alloc+free+gc+exit
235 159 76 64.2 _bin/cxx-opt+nopool/osh mut+alloc
215 174 40 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 11 9 4.3 bash -
19 10 8 3.5 zsh -
20 13 8 12.6 bumpleak/osh mut
20 18 2 11.8 _bin/cxx-opt+bumproot/osh mut
21 13 9 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
24 14 10 10.9 osh-native mut+alloc+free
23 19 4 8.8 osh-native mut+alloc+free+gc
24 24 0 8.8 osh-native mut+alloc+free+gc+exit
25 13 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 10 17 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc