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 36 4 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 160 27 70 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 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 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
7 7 0 1.6 dash -
23 19 4 3.1 bash -
106 51 61 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 24.9 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 26 11 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.8 _bin/cxx-opt+nopool/osh mut+alloc
50 46 4 21.8 _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 -
79 79 0 3.1 bash -
379 223 177 3.7 zsh -
49 38 11 84.6 bumpleak/osh mut
60 60 0 84.9 _bin/cxx-opt+bumproot/osh mut
70 45 24 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 50 46 73.4 osh-native mut+alloc
105 70 35 75.3 osh-native mut+alloc+free
160 136 24 51.4 osh-native mut+alloc+free+gc
167 139 28 52.1 osh-native mut+alloc+free+gc+exit
140 107 32 98.7 _bin/cxx-opt+nopool/osh mut+alloc
217 176 40 73.1 _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 3.0 bash -
8 4 4 3.1 zsh -
6 3 3 11.3 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.1 osh-native mut+alloc
8 0 8 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 -
28 28 0 2.9 bash -
24 12 12 3.3 zsh -
19 15 4 32.9 bumpleak/osh mut
26 22 4 31.8 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 73 0 3.1 bash -
167 127 40 54.4 bumpleak/osh mut
180 112 68 56.0 _bin/cxx-opt+bumproot/osh mut
195 117 77 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 154 57 47.1 osh-native mut+alloc
219 135 84 48.9 osh-native mut+alloc+free
180 120 60 8.7 osh-native mut+alloc+free+gc
179 131 48 8.7 osh-native mut+alloc+free+gc+exit
233 157 76 64.5 _bin/cxx-opt+nopool/osh mut+alloc
207 143 64 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 7 3 3.4 dash -
19 15 5 4.3 bash -
18 10 9 3.5 zsh -
18 7 12 11.4 bumpleak/osh mut
21 19 2 12.6 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 8 10.9 osh-native mut+alloc
23 12 11 10.9 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
23 17 6 8.9 osh-native mut+alloc+free+gc+exit
25 16 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 23 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc