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 37 4 10 12.0 18.0 476,636 1,282 6 408,686 5 204,343 osh-native
parse.configure-coreutils 158 27 68 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 185 0 4 12.3 8.5 1,001,962 27,376 21 50,000 0 3,776 osh-native
ex.abuild-print-help 23 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 3.0 bash -
105 61 51 3.3 zsh -
17 17 0 29.1 bumpleak/osh mut
21 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
37 29 8 18.0 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 31.8 _bin/cxx-opt+nopool/osh mut+alloc
53 42 11 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
21 18 4 1.4 dash -
80 76 4 3.1 bash -
372 221 170 3.4 zsh -
50 38 12 84.6 bumpleak/osh mut
61 49 11 84.5 _bin/cxx-opt+bumproot/osh mut
70 46 23 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 33 73.4 osh-native mut+alloc
108 60 48 75.3 osh-native mut+alloc+free
158 142 16 51.3 osh-native mut+alloc+free+gc
160 140 20 52.3 osh-native mut+alloc+free+gc+exit
141 81 60 98.3 _bin/cxx-opt+nopool/osh mut+alloc
224 184 40 72.2 _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 0 6 10.8 bumpleak/osh mut
7 7 0 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 6 3 8.3 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 10 0 1.6 dash -
29 29 0 2.9 bash -
24 12 12 3.3 zsh -
19 4 15 32.8 bumpleak/osh mut
27 27 0 32.2 _bin/cxx-opt+bumproot/osh mut
29 18 11 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.6 osh-native mut+alloc
39 26 13 27.1 osh-native mut+alloc+free
29 18 11 7.9 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.0 _bin/cxx-opt+nopool/osh mut+alloc
40 31 8 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 3.0 bash -
169 109 60 57.6 bumpleak/osh mut
180 128 52 56.3 _bin/cxx-opt+bumproot/osh mut
194 119 75 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 136 76 48.7 osh-native mut+alloc
222 135 87 50.6 osh-native mut+alloc+free
185 133 52 8.5 osh-native mut+alloc+free+gc
185 112 72 8.7 osh-native mut+alloc+free+gc+exit
233 173 60 65.3 _bin/cxx-opt+nopool/osh mut+alloc
210 170 40 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
10 10 0 3.5 dash -
20 12 8 4.5 bash -
18 5 13 3.5 zsh -
18 11 7 11.2 bumpleak/osh mut
22 9 14 13.4 _bin/cxx-opt+bumproot/osh mut
22 17 6 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 5 10.7 osh-native mut+alloc
23 12 12 11.0 osh-native mut+alloc+free
23 16 7 8.9 osh-native mut+alloc+free+gc
23 18 5 8.7 osh-native mut+alloc+free+gc+exit
25 19 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc