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 4 10 12.0 17.7 476,679 1,282 6 408,748 5 204,374 osh-native
parse.configure-coreutils 154 26 66 46.1 51.6 1,653,267 4,764 12 1,069,114 6 798,638 osh-native
parse.abuild 9 1 1 2.6 8.5 101,870 180 2 75,090 1 37,545 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,135 31,810 12 50,000 0 2,822 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.8 995,212 27,376 21 50,000 0 3,817 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,279 478 3 85,326 1 42,663 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 0 6 1.4 dash -
23 23 0 3.1 bash -
105 57 55 3.4 zsh -
17 12 4 28.0 bumpleak/osh mut
20 16 4 28.4 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
31 22 9 25.6 osh-native mut+alloc+free
35 32 4 17.7 osh-native mut+alloc+free+gc
36 32 4 17.7 osh-native mut+alloc+free+gc+exit
44 32 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 34 13 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 1.6 dash -
77 77 0 3.3 bash -
374 207 189 3.7 zsh -
49 34 15 85.7 bumpleak/osh mut
61 49 12 85.4 _bin/cxx-opt+bumproot/osh mut
71 63 8 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 61 36 73.6 osh-native mut+alloc
106 73 32 75.0 osh-native mut+alloc+free
154 134 20 51.6 osh-native mut+alloc+free+gc
163 143 20 52.2 osh-native mut+alloc+free+gc+exit
139 95 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
212 196 16 72.7 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.1 zsh -
6 6 0 12.0 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.2 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
28 28 0 2.8 bash -
24 20 4 3.3 zsh -
19 19 0 32.9 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 21 7 7.9 osh-native mut+alloc+free+gc
35 31 4 8.0 osh-native mut+alloc+free+gc+exit
53 38 15 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 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
72 64 8 3.1 bash -
169 100 68 54.1 bumpleak/osh mut
177 117 60 54.7 _bin/cxx-opt+bumproot/osh mut
192 108 84 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 153 60 47.1 osh-native mut+alloc
216 140 76 48.9 osh-native mut+alloc+free
181 110 71 8.8 osh-native mut+alloc+free+gc
181 121 60 8.7 osh-native mut+alloc+free+gc+exit
231 155 76 62.4 _bin/cxx-opt+nopool/osh mut+alloc
206 133 72 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 8 2 3.5 dash -
20 12 8 4.5 bash -
18 12 6 3.4 zsh -
19 12 7 11.4 bumpleak/osh mut
20 11 10 12.1 _bin/cxx-opt+bumproot/osh mut
20 13 8 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 11.0 osh-native mut+alloc
23 17 7 11.1 osh-native mut+alloc+free
23 18 6 8.9 osh-native mut+alloc+free+gc
23 11 13 8.8 osh-native mut+alloc+free+gc+exit
25 16 9 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc