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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 138 20 55 44.6 50.0 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 27 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 172 0 3 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 9.0 116,311 270 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 6 0 1.6 dash -
23 19 4 3.1 bash -
106 60 52 3.4 zsh -
16 12 4 29.6 bumpleak/osh mut
19 15 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 24.9 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 39 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
21 18 4 1.4 dash -
78 78 0 3.3 bash -
370 200 189 3.5 zsh -
47 32 16 84.1 bumpleak/osh mut
60 44 16 85.0 _bin/cxx-opt+bumproot/osh mut
70 55 16 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 66 31 73.4 osh-native mut+alloc
104 56 48 75.3 osh-native mut+alloc+free
138 113 24 50.0 osh-native mut+alloc+free+gc
143 127 16 50.7 osh-native mut+alloc+free+gc+exit
140 88 52 98.5 _bin/cxx-opt+nopool/osh mut+alloc
198 178 20 67.8 _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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.1 bumpleak/osh mut
6 6 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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 24 4 2.9 bash -
23 16 8 3.3 zsh -
19 15 4 31.6 bumpleak/osh mut
26 26 0 32.0 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 23 12 26.3 osh-native mut+alloc
36 24 12 26.6 osh-native mut+alloc+free
27 23 4 7.9 osh-native mut+alloc+free+gc
27 27 0 7.9 osh-native mut+alloc+free+gc+exit
52 32 20 35.9 _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
76 72 4 3.0 bash -
168 104 64 55.2 bumpleak/osh mut
176 106 70 55.2 _bin/cxx-opt+bumproot/osh mut
185 133 52 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
200 128 72 47.0 osh-native mut+alloc
211 131 79 48.7 osh-native mut+alloc+free
172 136 36 8.7 osh-native mut+alloc+free+gc
178 107 71 8.7 osh-native mut+alloc+free+gc+exit
229 173 56 64.2 _bin/cxx-opt+nopool/osh mut+alloc
201 149 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
9 9 1 3.4 dash -
19 16 4 4.5 bash -
18 5 13 3.4 zsh -
17 11 7 13.0 bumpleak/osh mut
19 16 4 11.9 _bin/cxx-opt+bumproot/osh mut
19 12 8 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 11.0 osh-native mut+alloc
22 11 11 11.0 osh-native mut+alloc+free
22 11 11 9.0 osh-native mut+alloc+free+gc
22 19 3 8.9 osh-native mut+alloc+free+gc+exit
24 17 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc