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 17.7 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 145 22 59 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 7.7 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 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 1.6 dash -
23 23 0 3.1 bash -
106 64 48 3.4 zsh -
16 16 0 28.7 bumpleak/osh mut
20 16 4 29.0 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
36 28 8 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 33.4 _bin/cxx-opt+nopool/osh mut+alloc
47 43 4 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
21 18 4 1.4 dash -
77 77 0 3.1 bash -
379 220 179 3.5 zsh -
49 34 15 84.3 bumpleak/osh mut
60 52 8 85.1 _bin/cxx-opt+bumproot/osh mut
70 62 8 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 54 42 73.4 osh-native mut+alloc
105 66 39 75.1 osh-native mut+alloc+free
145 122 24 49.9 osh-native mut+alloc+free+gc
150 134 16 50.4 osh-native mut+alloc+free+gc+exit
138 91 47 98.8 _bin/cxx-opt+nopool/osh mut+alloc
206 182 24 67.0 _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 3.3 zsh -
6 6 0 10.5 bumpleak/osh mut
7 7 0 11.4 _bin/cxx-opt+bumproot/osh mut
6 6 0 10.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _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 10 0 1.4 dash -
28 28 0 2.9 bash -
24 8 16 3.1 zsh -
20 16 4 32.4 bumpleak/osh mut
26 22 4 33.1 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
37 37 0 26.5 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 56 16 3.0 bash -
168 132 36 54.1 bumpleak/osh mut
181 116 64 54.4 _bin/cxx-opt+bumproot/osh mut
195 113 81 55.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 47.0 osh-native mut+alloc
216 140 76 48.7 osh-native mut+alloc+free
181 145 36 8.8 osh-native mut+alloc+free+gc
181 108 72 8.8 osh-native mut+alloc+free+gc+exit
231 151 80 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 143 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 9 1 3.4 dash -
20 16 4 4.5 bash -
17 10 8 3.5 zsh -
17 10 8 11.1 bumpleak/osh mut
19 11 9 13.8 _bin/cxx-opt+bumproot/osh mut
20 9 11 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 18 3 11.0 osh-native mut+alloc
22 21 1 11.1 osh-native mut+alloc+free
22 17 6 9.0 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
25 13 13 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc