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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 22 60 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 3 85,334 1 42,667 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 19 4 2.9 bash -
103 50 59 3.4 zsh -
17 13 4 29.8 bumpleak/osh mut
19 14 5 29.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 8 21 25.2 osh-native mut+alloc
31 19 11 25.6 osh-native mut+alloc+free
35 34 0 18.0 osh-native mut+alloc+free+gc
35 27 9 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 41 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
22 21 0 1.4 dash -
78 78 0 3.3 bash -
374 187 210 3.7 zsh -
49 38 11 85.0 bumpleak/osh mut
59 51 8 84.9 _bin/cxx-opt+bumproot/osh mut
71 44 28 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.4 osh-native mut+alloc
103 51 51 75.4 osh-native mut+alloc+free
147 118 29 51.4 osh-native mut+alloc+free+gc
152 128 24 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 98.2 _bin/cxx-opt+nopool/osh mut+alloc
201 181 20 71.1 _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 6 0 3.0 bash -
8 7 0 3.4 zsh -
6 6 0 10.5 bumpleak/osh mut
6 3 3 10.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 3 6 10.2 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.8 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
11 11 0 1.4 dash -
28 28 0 2.9 bash -
27 23 4 3.3 zsh -
19 15 4 32.2 bumpleak/osh mut
25 21 4 33.0 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 29 8 26.9 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 31 23 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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
73 64 8 3.1 bash -
162 110 51 54.0 bumpleak/osh mut
172 136 36 56.4 _bin/cxx-opt+bumproot/osh mut
192 124 68 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
206 135 71 46.9 osh-native mut+alloc
222 141 81 48.8 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
175 107 67 8.8 osh-native mut+alloc+free+gc+exit
231 151 79 64.1 _bin/cxx-opt+nopool/osh mut+alloc
207 135 72 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 -
19 13 7 4.5 bash -
17 13 5 3.5 zsh -
19 17 2 11.8 bumpleak/osh mut
20 18 2 12.8 _bin/cxx-opt+bumproot/osh mut
20 11 10 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 10.9 osh-native mut+alloc
22 11 12 10.7 osh-native mut+alloc+free
22 12 11 8.8 osh-native mut+alloc+free+gc
23 13 10 8.8 osh-native mut+alloc+free+gc+exit
24 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc