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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 142 21 55 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 1 2.4 7.7 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.7 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,298 478 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 -
107 51 63 3.4 zsh -
17 12 4 27.6 bumpleak/osh mut
19 15 4 30.2 _bin/cxx-opt+bumproot/osh mut
28 18 11 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
31 11 19 25.6 osh-native mut+alloc+free
35 30 4 17.8 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
44 40 4 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 36 12 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 1.6 dash -
78 78 0 3.3 bash -
374 203 191 3.5 zsh -
48 28 20 84.0 bumpleak/osh mut
59 47 12 86.4 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 76 20 73.3 osh-native mut+alloc
105 58 47 75.3 osh-native mut+alloc+free
142 118 24 49.9 osh-native mut+alloc+free+gc
145 125 20 50.4 osh-native mut+alloc+free+gc+exit
138 79 59 98.1 _bin/cxx-opt+nopool/osh mut+alloc
197 169 28 68.6 _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 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.8 bumpleak/osh mut
7 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.1 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 -
28 28 0 3.0 bash -
24 20 4 3.1 zsh -
19 14 5 31.9 bumpleak/osh mut
24 24 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 29 8 26.5 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 27 27 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
74 70 4 3.1 bash -
167 103 64 54.9 bumpleak/osh mut
179 127 52 55.0 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 121 88 47.0 osh-native mut+alloc
213 157 56 48.8 osh-native mut+alloc+free
182 137 44 8.7 osh-native mut+alloc+free+gc
179 138 41 8.8 osh-native mut+alloc+free+gc+exit
230 139 91 63.1 _bin/cxx-opt+nopool/osh mut+alloc
209 142 67 9.9 _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
9 9 1 3.5 dash -
20 13 8 4.3 bash -
18 9 9 3.5 zsh -
20 13 7 12.9 bumpleak/osh mut
22 16 6 13.2 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 12 10.9 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 13 9 8.9 osh-native mut+alloc+free+gc
23 14 9 9.0 osh-native mut+alloc+free+gc+exit
24 5 19 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc