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 43 8 15 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 174 29 86 46.1 51.1 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 2 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 192 1 5 12.3 8.8 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 25 1 2 2.8 8.8 116,240 478 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 -
23 19 4 3.1 bash -
111 74 46 3.4 zsh -
17 16 0 28.0 bumpleak/osh mut
20 12 8 29.1 _bin/cxx-opt+bumproot/osh mut
24 19 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
32 24 8 25.0 osh-native mut+alloc
34 34 0 25.6 osh-native mut+alloc+free
43 31 12 17.8 osh-native mut+alloc+free+gc
41 29 12 18.0 osh-native mut+alloc+free+gc+exit
45 32 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
55 51 4 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
21 21 0 1.6 dash -
78 74 4 3.3 bash -
389 226 185 3.5 zsh -
49 33 16 84.7 bumpleak/osh mut
61 48 12 86.0 _bin/cxx-opt+bumproot/osh mut
71 39 31 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 47 51 73.5 osh-native mut+alloc
109 60 48 75.0 osh-native mut+alloc+free
174 146 28 51.1 osh-native mut+alloc+free+gc
189 153 36 52.1 osh-native mut+alloc+free+gc+exit
144 99 44 97.4 _bin/cxx-opt+nopool/osh mut+alloc
265 212 52 70.8 _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 6 0 12.1 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 6 3 9.7 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 13 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 3.0 bash -
24 16 8 3.3 zsh -
19 11 7 30.9 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 16 21 26.5 osh-native mut+alloc
39 30 9 26.6 osh-native mut+alloc+free
29 25 4 8.0 osh-native mut+alloc+free+gc
29 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.2 _bin/cxx-opt+nopool/osh mut+alloc
39 35 4 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 74 0 3.0 bash -
170 111 59 57.5 bumpleak/osh mut
184 128 56 56.8 _bin/cxx-opt+bumproot/osh mut
198 127 71 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
222 142 79 48.8 osh-native mut+alloc
223 139 84 50.7 osh-native mut+alloc+free
192 147 44 8.8 osh-native mut+alloc+free+gc
184 136 48 8.7 osh-native mut+alloc+free+gc+exit
238 143 95 65.6 _bin/cxx-opt+nopool/osh mut+alloc
233 169 64 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
11 7 4 3.4 dash -
21 16 6 4.5 bash -
19 12 7 3.5 zsh -
21 15 7 12.3 bumpleak/osh mut
22 16 7 12.7 _bin/cxx-opt+bumproot/osh mut
23 17 7 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 12 10.9 osh-native mut+alloc
23 13 11 10.7 osh-native mut+alloc+free
25 19 6 8.8 osh-native mut+alloc+free+gc
24 22 2 8.8 osh-native mut+alloc+free+gc+exit
26 11 15 12.4 _bin/cxx-opt+nopool/osh mut+alloc
30 19 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc