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 3 9 12.0 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 149 24 61 46.1 51.3 1,653,224 4,764 12 1,069,052 6 798,607 osh-native
parse.abuild 9 1 1 2.6 8.5 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 2 3.1 7.9 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,032 478 3 85,262 1 42,631 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 -
105 56 55 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 8 12 29.9 _bin/cxx-opt+bumproot/osh mut
23 19 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
32 28 4 25.4 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
43 39 4 32.7 _bin/cxx-opt+nopool/osh mut+alloc
48 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 -
77 77 0 3.1 bash -
376 216 183 3.5 zsh -
50 41 8 85.6 bumpleak/osh mut
61 53 8 86.0 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 70 29 73.4 osh-native mut+alloc
106 71 35 75.3 osh-native mut+alloc+free
149 129 20 51.3 osh-native mut+alloc+free+gc
154 138 16 52.1 osh-native mut+alloc+free+gc+exit
138 95 43 97.8 _bin/cxx-opt+nopool/osh mut+alloc
213 184 28 73.4 _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 11.2 bumpleak/osh mut
7 7 0 11.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
11 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.4 _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 7 3 1.6 dash -
29 29 0 3.0 bash -
23 23 0 3.3 zsh -
19 8 11 31.2 bumpleak/osh mut
26 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.6 osh-native mut+alloc
39 31 8 27.0 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 42 12 36.1 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 9.3 _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 66 8 3.1 bash -
171 122 49 56.9 bumpleak/osh mut
180 92 88 57.7 _bin/cxx-opt+bumproot/osh mut
195 135 60 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 73 48.7 osh-native mut+alloc
220 152 68 50.6 osh-native mut+alloc+free
182 95 87 8.7 osh-native mut+alloc+free+gc
184 148 36 8.5 osh-native mut+alloc+free+gc+exit
234 131 103 64.3 _bin/cxx-opt+nopool/osh mut+alloc
210 131 79 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 1 3.5 dash -
20 12 8 4.5 bash -
18 16 2 3.5 zsh -
19 17 3 11.9 bumpleak/osh mut
19 11 9 12.4 _bin/cxx-opt+bumproot/osh mut
21 12 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.9 osh-native mut+alloc
22 19 4 10.9 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 15 8 8.8 osh-native mut+alloc+free+gc+exit
25 12 13 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc