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 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 156 26 68 46.1 51.4 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.3 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,282 478 3 85,330 1 42,665 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 23 0 3.1 bash -
103 68 41 3.4 zsh -
17 13 3 28.3 bumpleak/osh mut
19 15 4 30.0 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 24.9 osh-native mut+alloc
32 16 16 25.7 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
36 25 11 17.8 osh-native mut+alloc+free+gc+exit
43 38 4 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 1.4 dash -
81 81 0 3.1 bash -
376 208 189 3.5 zsh -
50 45 4 84.0 bumpleak/osh mut
60 52 8 85.3 _bin/cxx-opt+bumproot/osh mut
71 71 0 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 63 35 73.4 osh-native mut+alloc
107 71 36 75.3 osh-native mut+alloc+free
156 132 24 51.4 osh-native mut+alloc+free+gc
155 139 16 52.1 osh-native mut+alloc+free+gc+exit
142 101 40 98.8 _bin/cxx-opt+nopool/osh mut+alloc
230 194 36 73.2 _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 1.3 dash -
6 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 11.0 bumpleak/osh mut
6 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 8 0 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 6 6 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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
11 10 0 1.4 dash -
28 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 19 0 32.1 bumpleak/osh mut
25 17 8 32.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.3 osh-native mut+alloc
38 29 8 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 23 5 7.9 osh-native mut+alloc+free+gc+exit
55 43 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 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
73 69 4 3.0 bash -
167 103 64 54.2 bumpleak/osh mut
178 83 95 56.0 _bin/cxx-opt+bumproot/osh mut
193 109 84 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.1 osh-native mut+alloc
217 144 72 48.9 osh-native mut+alloc+free
181 116 64 8.8 osh-native mut+alloc+free+gc
181 118 63 8.7 osh-native mut+alloc+free+gc+exit
230 157 72 64.3 _bin/cxx-opt+nopool/osh mut+alloc
211 175 36 10.0 _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 9 1 3.5 dash -
20 18 3 4.5 bash -
18 11 7 3.5 zsh -
18 12 7 11.4 bumpleak/osh mut
20 18 1 11.9 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.0 osh-native mut+alloc
23 12 11 11.0 osh-native mut+alloc+free
22 11 12 8.7 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
25 14 12 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 17 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc