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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 168 28 78 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 10 1 2 2.6 8.3 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 4 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 8.8 116,284 478 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 1.4 dash -
23 23 0 2.9 bash -
106 44 69 3.4 zsh -
17 12 4 29.3 bumpleak/osh mut
20 16 4 29.2 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.0 osh-native mut+alloc
33 28 4 25.3 osh-native mut+alloc+free
37 28 8 17.8 osh-native mut+alloc+free+gc
38 33 4 17.8 osh-native mut+alloc+free+gc+exit
44 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
51 36 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 1.4 dash -
78 74 4 3.3 bash -
376 224 174 3.5 zsh -
49 34 15 84.0 bumpleak/osh mut
61 49 11 84.3 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 82 16 73.4 osh-native mut+alloc
107 67 40 75.3 osh-native mut+alloc+free
168 136 32 51.6 osh-native mut+alloc+free+gc
174 154 20 52.3 osh-native mut+alloc+free+gc+exit
141 113 28 98.3 _bin/cxx-opt+nopool/osh mut+alloc
243 207 36 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 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 11.2 bumpleak/osh mut
7 0 7 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.8 osh-native mut+alloc
9 5 5 10.2 osh-native mut+alloc+free
10 5 5 8.3 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _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
10 10 0 1.4 dash -
30 30 0 2.8 bash -
24 16 8 3.3 zsh -
19 15 4 31.3 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 23 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 30 7 26.3 osh-native mut+alloc
39 34 4 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 35.9 _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 73 0 3.3 bash -
170 130 39 53.9 bumpleak/osh mut
182 129 53 55.1 _bin/cxx-opt+bumproot/osh mut
193 136 56 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 132 80 47.1 osh-native mut+alloc
220 179 41 48.9 osh-native mut+alloc+free
180 124 56 8.8 osh-native mut+alloc+free+gc
184 116 68 8.7 osh-native mut+alloc+free+gc+exit
233 137 96 63.6 _bin/cxx-opt+nopool/osh mut+alloc
214 150 63 10.3 _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 7 3 3.4 dash -
20 19 1 4.5 bash -
18 17 1 3.5 zsh -
19 15 4 11.4 bumpleak/osh mut
20 20 0 12.5 _bin/cxx-opt+bumproot/osh mut
24 15 9 15.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 10.9 osh-native mut+alloc
23 16 7 10.9 osh-native mut+alloc+free
23 20 3 8.8 osh-native mut+alloc+free+gc
24 15 9 8.7 osh-native mut+alloc+free+gc+exit
25 19 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc