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 3 9 12.0 18.1 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 152 26 65 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 8.3 101,880 180 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 182 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 30 1 3 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 -
23 19 4 3.0 bash -
104 60 51 3.3 zsh -
16 16 0 28.7 bumpleak/osh mut
20 12 8 28.4 _bin/cxx-opt+bumproot/osh mut
23 11 11 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.0 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
36 28 8 18.1 osh-native mut+alloc+free+gc
37 33 4 18.1 osh-native mut+alloc+free+gc+exit
45 30 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 43 4 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
22 22 0 1.6 dash -
78 73 4 3.0 bash -
379 212 187 3.4 zsh -
52 35 16 85.0 bumpleak/osh mut
61 49 11 85.3 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 32 73.4 osh-native mut+alloc
107 70 37 75.3 osh-native mut+alloc+free
152 128 24 51.6 osh-native mut+alloc+free+gc
160 124 36 52.2 osh-native mut+alloc+free+gc+exit
140 100 40 98.3 _bin/cxx-opt+nopool/osh mut+alloc
227 191 36 73.0 _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 8 0 3.1 zsh -
6 0 6 10.9 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
10 10 0 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 7 3 1.6 dash -
31 30 0 2.9 bash -
24 20 4 3.1 zsh -
20 8 12 32.5 bumpleak/osh mut
26 17 8 32.7 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.3 osh-native mut+alloc
38 34 4 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 25 29 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 32 4 9.5 _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 -
169 117 52 53.8 bumpleak/osh mut
178 117 61 55.0 _bin/cxx-opt+bumproot/osh mut
195 147 48 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 133 77 47.2 osh-native mut+alloc
218 137 81 48.8 osh-native mut+alloc+free
182 122 59 8.8 osh-native mut+alloc+free+gc
182 123 59 8.7 osh-native mut+alloc+free+gc+exit
231 132 100 63.1 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 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 12 8 4.3 bash -
18 11 8 3.4 zsh -
19 11 7 11.4 bumpleak/osh mut
20 6 14 12.0 _bin/cxx-opt+bumproot/osh mut
22 15 8 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
24 10 14 11.1 osh-native mut+alloc+free
30 17 13 8.7 osh-native mut+alloc+free+gc
24 20 4 8.8 osh-native mut+alloc+free+gc+exit
25 17 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
31 20 10 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc