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 34 3 9 12.0 17.8 476,688 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 146 23 59 46.1 51.6 1,653,276 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,879 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,144 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.5 995,221 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,288 478 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 -
23 23 0 3.1 bash -
105 73 39 3.4 zsh -
17 3 13 29.3 bumpleak/osh mut
19 12 8 30.0 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 11 18 25.2 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
34 21 13 17.8 osh-native mut+alloc+free+gc
37 33 4 17.8 osh-native mut+alloc+free+gc+exit
43 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
46 34 11 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
21 17 4 1.4 dash -
78 74 4 3.1 bash -
372 181 212 3.7 zsh -
49 36 12 85.3 bumpleak/osh mut
60 43 16 85.2 _bin/cxx-opt+bumproot/osh mut
70 65 4 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.3 osh-native mut+alloc
105 64 40 75.1 osh-native mut+alloc+free
146 126 20 51.6 osh-native mut+alloc+free+gc
153 141 12 52.1 osh-native mut+alloc+free+gc+exit
137 81 56 97.9 _bin/cxx-opt+nopool/osh mut+alloc
205 169 36 71.1 _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 6 0 2.9 bash -
8 4 4 3.1 zsh -
6 3 3 11.3 bumpleak/osh mut
6 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
8 0 7 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 4 4 10.0 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
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 13 0 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 11 0 1.4 dash -
29 28 0 2.9 bash -
24 24 0 3.1 zsh -
19 19 0 31.1 bumpleak/osh mut
26 18 7 32.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
37 29 8 26.7 osh-native mut+alloc+free
28 23 4 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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
72 68 4 3.0 bash -
168 124 44 55.6 bumpleak/osh mut
180 116 64 54.9 _bin/cxx-opt+bumproot/osh mut
192 156 36 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 103 107 47.2 osh-native mut+alloc
218 129 89 49.0 osh-native mut+alloc+free
181 129 52 8.5 osh-native mut+alloc+free+gc
182 135 47 8.7 osh-native mut+alloc+free+gc+exit
231 143 88 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 10.2 _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 10 0 3.4 dash -
20 17 3 4.2 bash -
17 18 0 3.5 zsh -
18 16 3 12.9 bumpleak/osh mut
19 7 12 13.6 _bin/cxx-opt+bumproot/osh mut
20 19 1 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.9 osh-native mut+alloc
22 17 6 11.0 osh-native mut+alloc+free
22 15 7 9.0 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
24 16 9 12.5 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc