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 38 4 11 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 155 24 69 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 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 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 8.8 116,289 478 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 23 0 3.0 bash -
104 49 62 3.4 zsh -
16 12 4 27.8 bumpleak/osh mut
19 19 0 29.3 _bin/cxx-opt+bumproot/osh mut
22 17 4 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 18 13 25.4 osh-native mut+alloc+free
38 34 4 17.7 osh-native mut+alloc+free+gc
37 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 32.8 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.2 _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 1.6 dash -
77 73 4 3.1 bash -
380 221 181 3.8 zsh -
49 44 4 84.7 bumpleak/osh mut
61 56 4 85.5 _bin/cxx-opt+bumproot/osh mut
76 60 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
101 64 36 73.4 osh-native mut+alloc
107 61 45 75.4 osh-native mut+alloc+free
155 131 24 51.6 osh-native mut+alloc+free+gc
172 148 24 52.1 osh-native mut+alloc+free+gc+exit
140 92 48 98.8 _bin/cxx-opt+nopool/osh mut+alloc
211 199 12 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 2 0 1.4 dash -
6 3 3 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 12.1 bumpleak/osh mut
7 3 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 9.6 _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 25 4 3.0 bash -
24 19 5 3.4 zsh -
19 11 8 31.7 bumpleak/osh mut
25 21 4 31.5 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.5 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
29 29 0 8.0 osh-native mut+alloc+free+gc+exit
54 41 12 36.0 _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
73 65 8 3.1 bash -
167 95 71 55.1 bumpleak/osh mut
181 137 43 55.2 _bin/cxx-opt+bumproot/osh mut
192 116 76 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 117 93 47.1 osh-native mut+alloc
220 143 76 48.9 osh-native mut+alloc+free
180 112 68 8.8 osh-native mut+alloc+free+gc
181 136 44 8.8 osh-native mut+alloc+free+gc+exit
230 155 75 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 156 52 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 10 0 3.4 dash -
19 15 5 4.5 bash -
18 10 8 3.5 zsh -
19 14 5 13.2 bumpleak/osh mut
21 11 10 13.2 _bin/cxx-opt+bumproot/osh mut
22 19 4 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
23 12 12 8.8 osh-native mut+alloc+free+gc
23 13 11 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc