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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 158 25 71 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.3 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,289 478 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 -
23 19 4 3.1 bash -
104 61 49 3.5 zsh -
16 12 4 28.8 bumpleak/osh mut
19 15 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 22 0 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 16 16 25.0 osh-native mut+alloc
31 16 16 25.6 osh-native mut+alloc+free
37 36 0 17.8 osh-native mut+alloc+free+gc
37 29 8 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 31.7 _bin/cxx-opt+nopool/osh mut+alloc
48 44 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 14 7 1.6 dash -
78 74 4 3.1 bash -
375 204 191 3.5 zsh -
49 32 16 85.3 bumpleak/osh mut
59 47 12 85.7 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.3 osh-native mut+alloc
106 85 20 75.1 osh-native mut+alloc+free
158 134 24 51.4 osh-native mut+alloc+free+gc
170 134 36 52.1 osh-native mut+alloc+free+gc+exit
144 104 40 99.5 _bin/cxx-opt+nopool/osh mut+alloc
225 197 28 72.7 _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 3.3 zsh -
6 3 3 11.5 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 10 0 1.4 dash -
28 24 4 2.8 bash -
24 24 0 3.3 zsh -
19 15 4 30.8 bumpleak/osh mut
25 17 8 33.2 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 24 12 26.5 osh-native mut+alloc
38 26 11 26.7 osh-native mut+alloc+free
28 23 5 7.9 osh-native mut+alloc+free+gc
29 25 4 7.7 osh-native mut+alloc+free+gc+exit
53 34 19 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 29 7 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
72 68 4 3.0 bash -
168 96 72 54.4 bumpleak/osh mut
184 128 56 55.4 _bin/cxx-opt+bumproot/osh mut
195 99 95 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 46.9 osh-native mut+alloc
218 129 89 48.8 osh-native mut+alloc+free
180 120 60 8.7 osh-native mut+alloc+free+gc
182 145 36 8.7 osh-native mut+alloc+free+gc+exit
233 150 83 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 127 80 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 5 5 3.5 dash -
20 14 6 4.3 bash -
18 12 7 3.5 zsh -
20 7 13 12.7 bumpleak/osh mut
22 13 10 13.3 _bin/cxx-opt+bumproot/osh mut
22 14 9 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 11 10.7 osh-native mut+alloc
23 16 7 10.7 osh-native mut+alloc+free
23 17 7 8.9 osh-native mut+alloc+free+gc
23 21 2 9.0 osh-native mut+alloc+free+gc+exit
25 24 2 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc