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 4 10 12.0 18.0 476,720 1,282 6 408,808 5 204,404 osh-native
parse.configure-coreutils 154 24 68 44.6 49.8 1,653,308 4,764 12 1,030,692 6 769,430 osh-native
parse.abuild 9 1 1 2.6 8.7 101,911 180 2 75,150 1 37,575 osh-native
ex.compute-fib 28 0 1 2.4 7.7 584,176 31,810 12 50,000 0 2,851 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.5 995,253 27,376 21 50,000 0 3,839 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,320 478 3 85,386 1 42,693 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.4 dash -
23 23 0 3.1 bash -
105 64 46 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 12 8 28.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 18.0 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 32 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 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 15 7 1.6 dash -
78 78 0 3.1 bash -
378 200 203 3.7 zsh -
49 42 8 84.1 bumpleak/osh mut
61 49 11 85.1 _bin/cxx-opt+bumproot/osh mut
71 51 20 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.4 osh-native mut+alloc
106 61 45 75.3 osh-native mut+alloc+free
154 138 16 49.8 osh-native mut+alloc+free+gc
159 123 36 50.4 osh-native mut+alloc+free+gc+exit
139 103 36 98.5 _bin/cxx-opt+nopool/osh mut+alloc
225 193 32 68.1 _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 0 7 3.3 zsh -
6 6 0 12.3 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.2 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
10 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _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
11 10 0 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.1 zsh -
19 15 4 31.0 bumpleak/osh mut
26 18 7 32.1 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 26 11 26.6 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 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.5 _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 3.0 bash -
168 104 64 54.2 bumpleak/osh mut
179 99 79 55.2 _bin/cxx-opt+bumproot/osh mut
193 116 76 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 133 77 47.0 osh-native mut+alloc
218 142 75 48.7 osh-native mut+alloc+free
180 136 44 8.5 osh-native mut+alloc+free+gc
182 122 59 8.5 osh-native mut+alloc+free+gc+exit
232 132 100 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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
9 9 1 3.5 dash -
20 13 7 4.5 bash -
18 16 3 3.5 zsh -
19 6 13 12.3 bumpleak/osh mut
20 11 10 12.7 _bin/cxx-opt+bumproot/osh mut
20 11 9 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 10 11 11.0 osh-native mut+alloc
22 10 12 11.0 osh-native mut+alloc+free
22 17 5 8.8 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc