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 35 3 9 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 147 23 60 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 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,276 478 3 85,322 1 42,661 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 19 4 3.1 bash -
104 57 54 3.4 zsh -
16 12 4 28.0 bumpleak/osh mut
19 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 24.9 osh-native mut+alloc
31 26 4 25.6 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
42 38 4 31.9 _bin/cxx-opt+nopool/osh mut+alloc
48 40 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 22 0 1.6 dash -
78 74 4 3.1 bash -
375 212 183 3.5 zsh -
50 46 4 84.5 bumpleak/osh mut
60 48 12 85.2 _bin/cxx-opt+bumproot/osh mut
71 51 20 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 70 27 73.4 osh-native mut+alloc
105 70 35 75.1 osh-native mut+alloc+free
147 111 36 51.4 osh-native mut+alloc+free+gc
152 120 32 52.1 osh-native mut+alloc+free+gc+exit
138 98 39 99.4 _bin/cxx-opt+nopool/osh mut+alloc
210 182 28 72.0 _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 3.0 bash -
8 7 0 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _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 1.6 dash -
29 29 0 2.9 bash -
24 20 4 3.1 zsh -
19 18 0 30.9 bumpleak/osh mut
25 21 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.5 osh-native mut+alloc
37 19 19 26.6 osh-native mut+alloc+free
29 22 7 7.9 osh-native mut+alloc+free+gc
27 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 30 23 36.3 _bin/cxx-opt+nopool/osh mut+alloc
36 29 7 9.3 _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 68 4 3.1 bash -
169 113 56 55.1 bumpleak/osh mut
179 111 68 56.3 _bin/cxx-opt+bumproot/osh mut
194 127 67 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 113 97 46.9 osh-native mut+alloc
216 140 76 48.9 osh-native mut+alloc+free
181 136 44 8.7 osh-native mut+alloc+free+gc
182 150 32 8.7 osh-native mut+alloc+free+gc+exit
231 141 89 63.1 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 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 5 5 3.5 dash -
19 19 1 4.3 bash -
17 11 7 3.5 zsh -
18 11 8 11.8 bumpleak/osh mut
21 12 10 13.4 _bin/cxx-opt+bumproot/osh mut
21 12 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 10.7 osh-native mut+alloc
22 13 9 11.0 osh-native mut+alloc+free
22 21 2 8.9 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
24 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc