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 10 12.0 18.1 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 155 27 69 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,128 31,810 12 50,000 0 2,818 osh-native
ex.bashcomp-parse-help 184 0 4 12.3 8.7 1,002,882 27,376 21 50,000 0 3,802 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,069 478 3 85,320 1 42,660 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
24 20 4 3.1 bash -
110 63 54 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
19 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
23 23 0 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
44 35 9 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 22.0 _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 17 4 1.6 dash -
77 77 0 3.1 bash -
398 221 198 3.7 zsh -
50 42 8 84.2 bumpleak/osh mut
61 48 12 85.4 _bin/cxx-opt+bumproot/osh mut
71 42 29 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.4 osh-native mut+alloc
105 70 35 75.3 osh-native mut+alloc+free
155 123 32 51.4 osh-native mut+alloc+free+gc
164 127 36 52.1 osh-native mut+alloc+free+gc+exit
142 71 71 98.8 _bin/cxx-opt+nopool/osh mut+alloc
229 205 24 73.3 _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 1.3 dash -
6 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 0 6 11.1 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 9.8 osh-native mut+alloc
8 0 8 9.8 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.1 _bin/cxx-opt+nopool/osh mut+alloc
12 11 0 9.3 _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 1.4 dash -
29 25 4 2.9 bash -
24 12 12 3.4 zsh -
19 12 8 31.8 bumpleak/osh mut
25 18 7 33.3 _bin/cxx-opt+bumproot/osh mut
29 18 11 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 37 0 26.3 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
29 29 0 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 37 17 35.7 _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 3.0 bash -
168 116 52 56.7 bumpleak/osh mut
182 97 85 56.8 _bin/cxx-opt+bumproot/osh mut
197 146 51 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 48.7 osh-native mut+alloc
221 148 72 50.7 osh-native mut+alloc+free
184 124 60 8.7 osh-native mut+alloc+free+gc
185 144 40 8.5 osh-native mut+alloc+free+gc+exit
234 178 56 65.6 _bin/cxx-opt+nopool/osh mut+alloc
209 153 56 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 10 0 3.4 dash -
20 12 9 4.3 bash -
18 7 12 3.5 zsh -
19 13 7 11.6 bumpleak/osh mut
20 13 8 12.0 _bin/cxx-opt+bumproot/osh mut
23 16 8 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.7 osh-native mut+alloc
24 21 3 11.0 osh-native mut+alloc+free
23 18 6 8.9 osh-native mut+alloc+free+gc
24 15 10 8.8 osh-native mut+alloc+free+gc+exit
25 13 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
27 23 4 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc