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 17.8 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 155 26 66 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 8.3 101,827 180 2 75,028 1 37,514 osh-native
ex.compute-fib 29 0 1 3.1 7.7 584,088 31,810 12 50,000 0 2,788 osh-native
ex.bashcomp-parse-help 184 0 3 12.3 8.7 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,032 478 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
7 7 0 1.4 dash -
23 19 4 3.0 bash -
105 52 59 3.4 zsh -
17 12 4 29.8 bumpleak/osh mut
21 20 0 28.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 9 25.0 osh-native mut+alloc
32 16 16 25.3 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 40 8 21.9 _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 -
78 74 4 3.3 bash -
376 206 191 3.7 zsh -
49 29 20 85.6 bumpleak/osh mut
62 53 8 85.4 _bin/cxx-opt+bumproot/osh mut
70 47 23 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.3 osh-native mut+alloc
108 80 28 75.2 osh-native mut+alloc+free
155 111 44 51.3 osh-native mut+alloc+free+gc
160 132 28 52.4 osh-native mut+alloc+free+gc+exit
141 93 48 99.3 _bin/cxx-opt+nopool/osh mut+alloc
218 186 32 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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 7 3 1.6 dash -
29 28 0 3.0 bash -
24 20 4 3.3 zsh -
20 15 4 32.7 bumpleak/osh mut
27 26 0 33.3 _bin/cxx-opt+bumproot/osh mut
29 25 4 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.5 osh-native mut+alloc
39 23 16 27.0 osh-native mut+alloc+free
29 25 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
54 41 12 36.2 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.2 _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 73 0 3.1 bash -
169 109 60 57.4 bumpleak/osh mut
180 127 53 56.6 _bin/cxx-opt+bumproot/osh mut
196 120 76 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 143 71 48.9 osh-native mut+alloc
220 140 80 50.7 osh-native mut+alloc+free
184 124 60 8.7 osh-native mut+alloc+free+gc
182 125 57 8.7 osh-native mut+alloc+free+gc+exit
234 133 101 65.0 _bin/cxx-opt+nopool/osh mut+alloc
210 133 77 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 7 3 3.4 dash -
20 18 2 4.3 bash -
18 14 4 3.4 zsh -
19 7 13 11.8 bumpleak/osh mut
20 16 5 12.3 _bin/cxx-opt+bumproot/osh mut
21 16 6 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.7 osh-native mut+alloc
22 14 9 10.7 osh-native mut+alloc+free
23 12 11 8.8 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
25 14 12 12.0 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc