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 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 167 27 79 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 2 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 4 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,289 478 3 85,334 1 42,667 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 3.1 bash -
105 63 49 3.4 zsh -
17 17 0 28.2 bumpleak/osh mut
19 11 8 29.1 _bin/cxx-opt+bumproot/osh mut
23 19 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.2 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
37 22 15 18.1 osh-native mut+alloc+free+gc
37 22 15 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 33.0 _bin/cxx-opt+nopool/osh mut+alloc
51 43 8 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 17 4 1.4 dash -
78 74 4 3.0 bash -
377 203 195 3.4 zsh -
49 45 4 84.4 bumpleak/osh mut
66 53 12 86.2 _bin/cxx-opt+bumproot/osh mut
71 47 24 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 77 20 73.4 osh-native mut+alloc
106 69 36 75.1 osh-native mut+alloc+free
167 139 28 51.7 osh-native mut+alloc+free+gc
169 145 24 52.2 osh-native mut+alloc+free+gc+exit
138 95 43 99.4 _bin/cxx-opt+nopool/osh mut+alloc
233 189 44 72.3 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.1 zsh -
6 6 0 12.1 bumpleak/osh mut
8 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 10.0 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
10 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
13 6 6 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 -
29 29 0 2.9 bash -
24 20 4 3.4 zsh -
19 15 4 31.1 bumpleak/osh mut
26 26 0 33.1 _bin/cxx-opt+bumproot/osh mut
29 29 0 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 32 4 26.3 osh-native mut+alloc
39 15 23 26.9 osh-native mut+alloc+free
29 25 4 7.9 osh-native mut+alloc+free+gc
29 29 0 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 66 8 3.1 bash -
170 113 56 55.6 bumpleak/osh mut
179 107 71 55.0 _bin/cxx-opt+bumproot/osh mut
193 130 63 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 127 83 46.9 osh-native mut+alloc
219 162 57 48.8 osh-native mut+alloc+free
183 127 55 8.8 osh-native mut+alloc+free+gc
182 133 48 8.7 osh-native mut+alloc+free+gc+exit
233 146 87 63.3 _bin/cxx-opt+nopool/osh mut+alloc
209 146 63 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 9 1 3.4 dash -
20 14 6 4.3 bash -
18 10 9 3.4 zsh -
19 19 0 11.9 bumpleak/osh mut
22 11 12 13.3 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.7 osh-native mut+alloc
23 22 1 11.0 osh-native mut+alloc+free
23 21 2 8.7 osh-native mut+alloc+free+gc
24 23 2 9.0 osh-native mut+alloc+free+gc+exit
25 19 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc