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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 146 23 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 7.9 584,145 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 8.9 116,289 478 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 3 3 1.6 dash -
24 19 4 3.1 bash -
104 63 48 3.3 zsh -
17 17 0 27.8 bumpleak/osh mut
19 15 4 29.7 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 26 4 25.6 osh-native mut+alloc+free
35 19 15 17.8 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 49 0 22.4 _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 -
78 78 0 3.3 bash -
369 217 173 3.7 zsh -
50 38 13 84.9 bumpleak/osh mut
59 47 12 86.2 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 51 47 73.5 osh-native mut+alloc
106 81 24 75.3 osh-native mut+alloc+free
146 126 20 51.4 osh-native mut+alloc+free+gc
152 131 20 51.9 osh-native mut+alloc+free+gc+exit
139 107 32 97.4 _bin/cxx-opt+nopool/osh mut+alloc
211 163 48 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 4 4 3.3 zsh -
6 6 0 10.6 bumpleak/osh mut
7 0 7 11.6 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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 1.6 dash -
29 28 0 3.0 bash -
23 19 4 3.3 zsh -
19 15 4 31.3 bumpleak/osh mut
25 18 7 32.8 _bin/cxx-opt+bumproot/osh mut
28 27 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 33 4 26.5 osh-native mut+alloc
38 37 0 26.7 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
58 37 21 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 69 4 3.1 bash -
167 108 60 53.7 bumpleak/osh mut
178 115 63 56.0 _bin/cxx-opt+bumproot/osh mut
192 133 59 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.1 osh-native mut+alloc
216 124 92 48.9 osh-native mut+alloc+free
180 128 52 8.8 osh-native mut+alloc+free+gc
182 127 56 8.4 osh-native mut+alloc+free+gc+exit
233 160 72 62.5 _bin/cxx-opt+nopool/osh mut+alloc
209 164 44 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 7 3 3.5 dash -
20 15 6 4.3 bash -
18 10 9 3.5 zsh -
18 7 12 11.3 bumpleak/osh mut
20 14 6 13.4 _bin/cxx-opt+bumproot/osh mut
21 16 6 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
22 13 9 10.9 osh-native mut+alloc+free
22 14 9 8.9 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc