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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 156 26 69 46.1 51.3 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 2 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,240 478 3 85,322 1 42,661 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 19 4 3.0 bash -
105 44 68 3.3 zsh -
17 16 0 27.9 bumpleak/osh mut
19 11 8 28.8 _bin/cxx-opt+bumproot/osh mut
23 18 5 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
38 23 15 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 33.2 _bin/cxx-opt+nopool/osh mut+alloc
52 39 12 22.0 _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 22 0 1.6 dash -
77 77 0 3.3 bash -
376 184 213 3.5 zsh -
49 38 11 85.1 bumpleak/osh mut
61 49 11 85.0 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 64 36 73.4 osh-native mut+alloc
107 83 24 75.2 osh-native mut+alloc+free
156 140 16 51.3 osh-native mut+alloc+free+gc
169 153 16 52.2 osh-native mut+alloc+free+gc+exit
140 108 32 98.6 _bin/cxx-opt+nopool/osh mut+alloc
221 189 32 72.0 _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 6 0 2.8 bash -
8 0 7 3.3 zsh -
6 6 0 10.1 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
10 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
11 10 0 1.4 dash -
28 25 4 3.0 bash -
24 16 8 3.3 zsh -
19 14 5 32.2 bumpleak/osh mut
26 26 0 32.6 _bin/cxx-opt+bumproot/osh mut
29 20 8 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
39 38 0 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 46 8 35.8 _bin/cxx-opt+nopool/osh mut+alloc
39 39 0 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
73 73 0 3.3 bash -
165 113 52 54.5 bumpleak/osh mut
180 120 60 53.6 _bin/cxx-opt+bumproot/osh mut
193 124 68 54.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 155 56 46.4 osh-native mut+alloc
218 131 87 48.0 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
181 108 72 8.5 osh-native mut+alloc+free+gc+exit
231 143 88 62.8 _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
10 9 1 3.5 dash -
20 13 7 4.5 bash -
18 11 8 3.4 zsh -
20 17 3 12.1 bumpleak/osh mut
20 12 8 11.6 _bin/cxx-opt+bumproot/osh mut
22 6 17 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 11.0 osh-native mut+alloc
23 15 9 11.0 osh-native mut+alloc+free
23 11 13 8.9 osh-native mut+alloc+free+gc
24 14 10 8.8 osh-native mut+alloc+free+gc+exit
25 21 5 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 18 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc