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 11 12.0 18.0 476,685 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 177 28 88 46.1 51.6 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 29 0 2 2.6 7.7 584,141 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 4 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
7 3 3 1.6 dash -
23 23 0 3.1 bash -
106 70 43 3.3 zsh -
16 12 4 29.4 bumpleak/osh mut
20 16 4 29.5 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
33 16 16 25.6 osh-native mut+alloc+free
37 33 4 18.0 osh-native mut+alloc+free+gc
38 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 33.3 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 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 21 0 1.6 dash -
78 74 4 3.1 bash -
376 222 174 3.5 zsh -
49 34 15 84.1 bumpleak/osh mut
60 56 4 85.4 _bin/cxx-opt+bumproot/osh mut
70 46 23 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.4 osh-native mut+alloc
108 64 44 75.3 osh-native mut+alloc+free
177 157 20 51.6 osh-native mut+alloc+free+gc
173 141 31 52.3 osh-native mut+alloc+free+gc+exit
139 90 49 97.6 _bin/cxx-opt+nopool/osh mut+alloc
238 174 63 73.9 _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 3.3 zsh -
6 0 6 10.4 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 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
10 7 3 1.4 dash -
28 28 0 3.0 bash -
24 8 16 3.3 zsh -
20 19 0 32.5 bumpleak/osh mut
26 17 8 32.1 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.3 osh-native mut+alloc
39 27 12 26.7 osh-native mut+alloc+free
29 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 42 13 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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
72 60 12 3.1 bash -
169 116 52 54.8 bumpleak/osh mut
187 142 45 54.4 _bin/cxx-opt+bumproot/osh mut
208 152 56 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 125 85 46.9 osh-native mut+alloc
217 157 60 48.8 osh-native mut+alloc+free
180 128 52 8.7 osh-native mut+alloc+free+gc
181 124 56 8.7 osh-native mut+alloc+free+gc+exit
235 162 73 62.9 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 9 2 3.5 dash -
20 11 9 4.3 bash -
18 15 4 3.5 zsh -
20 13 7 12.5 bumpleak/osh mut
22 15 8 13.2 _bin/cxx-opt+bumproot/osh mut
21 13 8 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
23 16 7 11.1 osh-native mut+alloc+free
23 15 8 9.0 osh-native mut+alloc+free+gc
23 13 11 8.8 osh-native mut+alloc+free+gc+exit
25 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 5 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc