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 158 24 69 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 8.3 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 4 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 8.9 116,311 270 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 1.4 dash -
24 19 4 3.0 bash -
105 67 45 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
21 21 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.0 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
36 32 4 18.1 osh-native mut+alloc+free+gc
38 33 4 18.0 osh-native mut+alloc+free+gc+exit
44 31 12 32.7 _bin/cxx-opt+nopool/osh mut+alloc
51 42 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
22 21 0 1.4 dash -
78 78 0 3.1 bash -
380 236 168 3.4 zsh -
49 40 8 84.9 bumpleak/osh mut
61 49 12 85.3 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 70 29 73.6 osh-native mut+alloc
106 71 35 75.3 osh-native mut+alloc+free
158 138 20 50.0 osh-native mut+alloc+free+gc
168 140 28 50.6 osh-native mut+alloc+free+gc+exit
140 109 31 98.2 _bin/cxx-opt+nopool/osh mut+alloc
230 210 20 67.9 _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 4 4 3.1 zsh -
6 6 0 11.9 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.2 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 3 6 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _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 3.0 bash -
24 12 12 3.3 zsh -
19 19 0 32.1 bumpleak/osh mut
26 23 4 32.1 _bin/cxx-opt+bumproot/osh mut
29 16 12 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
39 31 8 26.3 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
55 42 13 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 30 8 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
74 66 8 3.1 bash -
169 98 71 54.7 bumpleak/osh mut
178 115 63 54.9 _bin/cxx-opt+bumproot/osh mut
196 144 52 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 120 92 47.0 osh-native mut+alloc
217 148 68 48.7 osh-native mut+alloc+free
181 109 72 8.8 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
233 136 96 64.2 _bin/cxx-opt+nopool/osh mut+alloc
211 152 60 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 7 3 3.5 dash -
20 14 6 4.5 bash -
18 13 5 3.5 zsh -
18 16 2 11.0 bumpleak/osh mut
20 6 14 12.3 _bin/cxx-opt+bumproot/osh mut
21 6 15 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
22 18 5 8.9 osh-native mut+alloc+free+gc
23 16 8 9.2 osh-native mut+alloc+free+gc+exit
25 19 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc