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 3 10 12.0 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 157 26 71 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 10 1 2 2.6 8.4 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,298 478 3 85,348 1 42,674 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 -
23 23 0 3.0 bash -
105 72 39 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 20 0 28.2 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 29 0 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 21.9 _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 1.6 dash -
78 78 0 3.1 bash -
379 221 179 3.4 zsh -
49 40 8 84.5 bumpleak/osh mut
60 52 8 84.9 _bin/cxx-opt+bumproot/osh mut
70 54 15 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 67 32 73.6 osh-native mut+alloc
108 72 36 75.2 osh-native mut+alloc+free
157 122 35 49.9 osh-native mut+alloc+free+gc
162 134 28 50.6 osh-native mut+alloc+free+gc+exit
142 105 36 98.3 _bin/cxx-opt+nopool/osh mut+alloc
226 181 44 67.4 _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 3 3 10.5 bumpleak/osh mut
7 7 0 11.5 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
10 6 3 8.4 osh-native mut+alloc+free+gc
10 6 3 8.7 osh-native mut+alloc+free+gc+exit
13 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.3 zsh -
19 15 4 32.5 bumpleak/osh mut
26 21 4 31.9 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 21 16 26.3 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
55 31 23 35.7 _bin/cxx-opt+nopool/osh mut+alloc
38 37 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
75 75 0 3.0 bash -
168 96 72 54.4 bumpleak/osh mut
188 120 68 55.0 _bin/cxx-opt+bumproot/osh mut
194 138 55 55.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 125 89 47.0 osh-native mut+alloc
218 123 95 48.7 osh-native mut+alloc+free
181 145 36 8.8 osh-native mut+alloc+free+gc
183 139 44 8.5 osh-native mut+alloc+free+gc+exit
234 133 101 62.4 _bin/cxx-opt+nopool/osh mut+alloc
211 159 52 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 9 1 3.5 dash -
20 13 8 4.2 bash -
18 5 13 3.5 zsh -
19 15 5 12.5 bumpleak/osh mut
20 11 9 12.1 _bin/cxx-opt+bumproot/osh mut
20 7 13 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 4 10.9 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
23 15 9 9.0 osh-native mut+alloc+free+gc
23 22 2 8.9 osh-native mut+alloc+free+gc+exit
25 10 16 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc