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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 171 29 81 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 4 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 1.4 dash -
24 23 0 3.1 bash -
105 54 57 3.4 zsh -
17 16 0 29.5 bumpleak/osh mut
20 8 11 29.0 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.3 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
37 32 4 17.8 osh-native mut+alloc+free+gc
37 37 0 18.1 osh-native mut+alloc+free+gc+exit
44 20 24 32.9 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 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 -
382 228 175 3.5 zsh -
49 37 12 85.1 bumpleak/osh mut
61 38 23 86.3 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 62 37 73.3 osh-native mut+alloc
109 70 39 75.3 osh-native mut+alloc+free
171 143 28 51.4 osh-native mut+alloc+free+gc
173 141 32 52.2 osh-native mut+alloc+free+gc+exit
140 92 48 99.3 _bin/cxx-opt+nopool/osh mut+alloc
236 208 28 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 2 0 1.3 dash -
6 6 0 3.0 bash -
8 4 4 3.1 zsh -
6 3 3 10.3 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 9 0 8.3 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 11 0 1.4 dash -
29 29 0 2.9 bash -
25 16 8 3.3 zsh -
19 19 0 32.8 bumpleak/osh mut
25 21 4 32.6 _bin/cxx-opt+bumproot/osh mut
29 25 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 30 7 26.5 osh-native mut+alloc
38 15 23 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 62 12 3.1 bash -
169 100 68 54.1 bumpleak/osh mut
183 135 48 55.3 _bin/cxx-opt+bumproot/osh mut
192 112 80 55.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 108 104 46.4 osh-native mut+alloc
219 147 72 48.1 osh-native mut+alloc+free
181 120 60 8.8 osh-native mut+alloc+free+gc
181 117 64 8.5 osh-native mut+alloc+free+gc+exit
232 160 72 62.6 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 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 5 6 3.4 dash -
20 19 1 4.3 bash -
19 12 7 3.4 zsh -
22 13 9 12.4 bumpleak/osh mut
20 15 5 12.1 _bin/cxx-opt+bumproot/osh mut
21 13 9 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 6 10.9 osh-native mut+alloc
23 12 11 11.0 osh-native mut+alloc+free
23 18 5 8.9 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
26 19 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 18 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc