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 9 12.0 18.0 476,685 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 155 24 68 46.1 51.7 1,653,273 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,876 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,141 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,218 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,285 478 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 57 53 3.3 zsh -
16 12 4 28.9 bumpleak/osh mut
19 15 4 29.2 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 23 8 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 24 12 18.0 osh-native mut+alloc+free+gc
36 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.8 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 22.4 _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 78 0 3.1 bash -
378 203 196 3.5 zsh -
50 38 11 85.5 bumpleak/osh mut
61 48 12 86.0 _bin/cxx-opt+bumproot/osh mut
70 50 19 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 76 20 73.3 osh-native mut+alloc
107 70 37 75.3 osh-native mut+alloc+free
155 127 28 51.7 osh-native mut+alloc+free+gc
160 140 20 52.2 osh-native mut+alloc+free+gc+exit
139 94 45 97.5 _bin/cxx-opt+nopool/osh mut+alloc
224 196 28 72.9 _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 3.0 bash -
8 8 0 3.1 zsh -
6 0 6 10.6 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 10 0 8.4 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 10 0 1.6 dash -
28 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 15 4 31.2 bumpleak/osh mut
26 26 0 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
38 34 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
30 30 0 7.9 osh-native mut+alloc+free+gc+exit
54 45 8 35.8 _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 73 0 3.1 bash -
171 106 65 53.8 bumpleak/osh mut
180 128 52 56.2 _bin/cxx-opt+bumproot/osh mut
193 104 88 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 135 75 47.1 osh-native mut+alloc
217 164 52 48.9 osh-native mut+alloc+free
180 132 48 8.7 osh-native mut+alloc+free+gc
180 108 72 8.7 osh-native mut+alloc+free+gc+exit
231 143 88 63.7 _bin/cxx-opt+nopool/osh mut+alloc
209 138 71 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 6 4 3.5 dash -
20 15 5 4.5 bash -
18 10 9 3.4 zsh -
20 13 7 12.5 bumpleak/osh mut
20 7 14 12.2 _bin/cxx-opt+bumproot/osh mut
20 18 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
23 15 9 10.9 osh-native mut+alloc+free
23 16 7 9.0 osh-native mut+alloc+free+gc
23 21 3 8.8 osh-native mut+alloc+free+gc+exit
25 12 14 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc