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 18.1 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 164 29 77 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,311 270 3 85,370 1 42,685 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.4 dash -
23 23 0 2.9 bash -
105 58 53 3.5 zsh -
16 8 8 28.5 bumpleak/osh mut
20 15 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 9 13 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 29 7 18.1 osh-native mut+alloc+free+gc
38 30 8 18.1 osh-native mut+alloc+free+gc+exit
43 19 23 32.5 _bin/cxx-opt+nopool/osh mut+alloc
49 38 11 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 18 4 1.6 dash -
78 74 4 3.1 bash -
381 183 220 3.4 zsh -
50 42 8 83.8 bumpleak/osh mut
60 51 8 85.0 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
106 81 24 75.1 osh-native mut+alloc+free
164 148 16 49.9 osh-native mut+alloc+free+gc
163 150 12 50.6 osh-native mut+alloc+free+gc+exit
138 102 35 99.1 _bin/cxx-opt+nopool/osh mut+alloc
210 173 36 66.8 _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 3 3 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.5 bumpleak/osh mut
7 6 0 10.5 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.1 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
12 0 12 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 7 3 1.3 dash -
29 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 19 0 31.1 bumpleak/osh mut
26 26 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 21 7 8.0 osh-native mut+alloc+free+gc+exit
54 19 34 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 9.5 _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
74 65 8 3.1 bash -
169 102 67 54.6 bumpleak/osh mut
179 115 63 55.7 _bin/cxx-opt+bumproot/osh mut
194 141 52 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 144 64 47.0 osh-native mut+alloc
217 114 102 48.8 osh-native mut+alloc+free
181 113 69 8.7 osh-native mut+alloc+free+gc
180 136 44 8.8 osh-native mut+alloc+free+gc+exit
233 153 80 63.3 _bin/cxx-opt+nopool/osh mut+alloc
210 157 52 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 4 6 3.4 dash -
20 13 7 4.5 bash -
18 9 9 3.5 zsh -
19 11 8 12.1 bumpleak/osh mut
20 15 6 13.1 _bin/cxx-opt+bumproot/osh mut
20 16 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 11.0 osh-native mut+alloc
22 16 6 11.1 osh-native mut+alloc+free
22 20 3 8.8 osh-native mut+alloc+free+gc
23 20 3 8.9 osh-native mut+alloc+free+gc+exit
24 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc