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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 158 27 71 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,284 478 3 85,332 1 42,666 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 -
24 23 0 3.0 bash -
103 58 51 3.3 zsh -
16 12 4 29.8 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
23 18 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 26 4 25.0 osh-native mut+alloc
31 19 12 25.6 osh-native mut+alloc+free
35 22 13 17.8 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 21.8 _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 1.4 dash -
78 74 4 3.1 bash -
376 227 172 3.5 zsh -
48 48 0 84.9 bumpleak/osh mut
60 52 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 70 0 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.6 osh-native mut+alloc
107 75 32 75.3 osh-native mut+alloc+free
158 130 28 51.4 osh-native mut+alloc+free+gc
165 137 28 52.1 osh-native mut+alloc+free+gc+exit
140 84 56 99.3 _bin/cxx-opt+nopool/osh mut+alloc
229 197 32 72.8 _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 3 3 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.6 bumpleak/osh mut
7 0 7 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 9.8 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.2 _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 7 3 1.3 dash -
28 28 0 2.8 bash -
24 16 8 3.3 zsh -
20 15 5 32.6 bumpleak/osh mut
25 14 11 31.7 _bin/cxx-opt+bumproot/osh mut
28 19 8 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 7 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
55 31 24 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.3 _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 3.1 bash -
168 132 36 54.0 bumpleak/osh mut
182 126 55 54.4 _bin/cxx-opt+bumproot/osh mut
196 140 56 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 145 68 47.1 osh-native mut+alloc
221 144 76 48.9 osh-native mut+alloc+free
181 141 40 8.8 osh-native mut+alloc+free+gc
182 130 51 8.7 osh-native mut+alloc+free+gc+exit
236 146 91 63.0 _bin/cxx-opt+nopool/osh mut+alloc
209 138 71 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 8 1 3.4 dash -
20 12 9 4.5 bash -
18 10 8 3.5 zsh -
18 15 4 13.0 bumpleak/osh mut
21 17 5 12.7 _bin/cxx-opt+bumproot/osh mut
20 12 9 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
23 14 9 11.1 osh-native mut+alloc+free
23 16 7 8.9 osh-native mut+alloc+free+gc
24 15 9 8.7 osh-native mut+alloc+free+gc+exit
25 15 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc