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 17.7 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 152 22 61 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 29 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,244 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 -
24 19 4 3.0 bash -
104 54 57 3.5 zsh -
16 10 6 28.5 bumpleak/osh mut
20 16 4 28.8 _bin/cxx-opt+bumproot/osh mut
23 8 15 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 14 18 25.7 osh-native mut+alloc+free
36 32 4 17.7 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 33.1 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 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 1.4 dash -
77 77 0 3.1 bash -
380 193 209 3.7 zsh -
48 36 12 84.9 bumpleak/osh mut
60 48 12 85.0 _bin/cxx-opt+bumproot/osh mut
69 58 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.3 osh-native mut+alloc
106 69 37 75.3 osh-native mut+alloc+free
152 124 28 49.9 osh-native mut+alloc+free+gc
154 138 16 50.6 osh-native mut+alloc+free+gc+exit
140 100 40 98.1 _bin/cxx-opt+nopool/osh mut+alloc
205 160 44 66.6 _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 3 3 11.0 bumpleak/osh mut
7 3 3 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 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
11 11 0 1.4 dash -
29 25 4 3.0 bash -
24 14 9 3.3 zsh -
19 15 4 30.9 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.1 osh-native mut+alloc
38 38 0 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 41 12 36.2 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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 61 12 3.3 bash -
169 105 64 53.8 bumpleak/osh mut
180 116 64 55.6 _bin/cxx-opt+bumproot/osh mut
192 116 76 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 72 47.0 osh-native mut+alloc
217 136 80 48.7 osh-native mut+alloc+free
181 132 48 8.8 osh-native mut+alloc+free+gc
180 144 36 8.8 osh-native mut+alloc+free+gc+exit
233 132 100 63.6 _bin/cxx-opt+nopool/osh mut+alloc
209 144 64 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 8 3 3.4 dash -
20 18 2 4.3 bash -
18 11 8 3.5 zsh -
19 18 2 12.0 bumpleak/osh mut
21 13 8 12.6 _bin/cxx-opt+bumproot/osh mut
22 11 11 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 3 10.7 osh-native mut+alloc
22 17 6 11.0 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
23 19 4 8.9 osh-native mut+alloc+free+gc+exit
25 16 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc