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 18.1 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 157 25 68 44.6 49.8 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.7 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 29 0 2 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,298 478 3 85,348 1 42,674 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 23 0 3.0 bash -
105 62 49 3.4 zsh -
16 16 0 29.7 bumpleak/osh mut
20 17 3 28.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.3 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
37 28 8 18.1 osh-native mut+alloc+free+gc
37 24 12 18.1 osh-native mut+alloc+free+gc+exit
43 24 20 32.5 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 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 18 4 1.4 dash -
78 78 0 3.1 bash -
381 227 175 3.5 zsh -
51 46 4 84.4 bumpleak/osh mut
61 57 4 85.7 _bin/cxx-opt+bumproot/osh mut
72 56 16 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 36 73.4 osh-native mut+alloc
107 63 43 75.4 osh-native mut+alloc+free
157 137 20 49.8 osh-native mut+alloc+free+gc
161 136 24 50.5 osh-native mut+alloc+free+gc+exit
140 100 40 99.6 _bin/cxx-opt+nopool/osh mut+alloc
219 190 28 67.4 _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 6 0 3.0 bash -
8 8 0 3.1 zsh -
6 6 0 10.9 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 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 3 7 1.4 dash -
28 28 0 3.0 bash -
24 16 8 3.3 zsh -
20 16 4 31.5 bumpleak/osh mut
26 19 7 31.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.2 osh-native mut+alloc
39 19 19 26.5 osh-native mut+alloc+free
29 29 0 8.0 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 24 31 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 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 69 4 2.9 bash -
170 126 43 54.7 bumpleak/osh mut
180 112 68 56.1 _bin/cxx-opt+bumproot/osh mut
196 104 92 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.0 osh-native mut+alloc
217 141 76 48.7 osh-native mut+alloc+free
181 133 48 8.8 osh-native mut+alloc+free+gc
181 140 40 8.7 osh-native mut+alloc+free+gc+exit
232 144 88 64.2 _bin/cxx-opt+nopool/osh mut+alloc
208 124 84 9.9 _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 10 1 3.5 dash -
20 18 2 4.3 bash -
18 13 6 3.4 zsh -
18 6 13 13.4 bumpleak/osh mut
20 17 3 12.4 _bin/cxx-opt+bumproot/osh mut
21 6 16 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.9 osh-native mut+alloc
23 14 10 11.1 osh-native mut+alloc+free
23 17 7 9.0 osh-native mut+alloc+free+gc
24 21 3 8.9 osh-native mut+alloc+free+gc+exit
26 19 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 13 13 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc