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 4 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 150 24 62 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 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 3 3 1.6 dash -
23 19 4 3.0 bash -
107 61 52 3.5 zsh -
16 12 4 28.9 bumpleak/osh mut
19 19 0 30.0 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.3 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 17 25 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 32 16 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 21 0 1.6 dash -
77 77 0 3.3 bash -
378 209 189 3.7 zsh -
48 36 12 83.7 bumpleak/osh mut
60 56 4 85.0 _bin/cxx-opt+bumproot/osh mut
70 49 20 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.5 osh-native mut+alloc
104 61 42 75.4 osh-native mut+alloc+free
150 118 32 51.6 osh-native mut+alloc+free+gc
155 134 20 52.1 osh-native mut+alloc+free+gc+exit
140 112 28 98.8 _bin/cxx-opt+nopool/osh mut+alloc
209 193 16 71.8 _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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 8 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.8 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 28 0 3.0 bash -
24 16 8 3.3 zsh -
20 15 4 32.1 bumpleak/osh mut
25 21 4 31.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.3 osh-native mut+alloc
39 31 8 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
56 32 24 36.5 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 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
73 57 16 3.1 bash -
166 111 55 54.6 bumpleak/osh mut
178 109 69 54.4 _bin/cxx-opt+bumproot/osh mut
196 112 84 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 128 84 47.1 osh-native mut+alloc
217 165 52 48.9 osh-native mut+alloc+free
182 134 47 8.7 osh-native mut+alloc+free+gc
182 137 44 8.8 osh-native mut+alloc+free+gc+exit
233 145 88 64.0 _bin/cxx-opt+nopool/osh mut+alloc
208 159 49 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 4 6 3.5 dash -
20 18 3 4.2 bash -
18 10 8 3.5 zsh -
20 16 4 12.7 bumpleak/osh mut
19 15 5 11.8 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 11.0 osh-native mut+alloc
22 10 13 10.9 osh-native mut+alloc+free
23 20 3 8.9 osh-native mut+alloc+free+gc
23 16 7 9.0 osh-native mut+alloc+free+gc+exit
25 11 15 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc