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 3 9 12.0 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 144 21 57 44.6 49.8 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.5 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,311 478 3 85,370 1 42,685 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 23 0 3.0 bash -
104 52 58 3.4 zsh -
16 12 4 29.4 bumpleak/osh mut
19 19 0 30.1 _bin/cxx-opt+bumproot/osh mut
21 21 0 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.2 osh-native mut+alloc
31 22 9 25.4 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 39 4 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 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 1.4 dash -
78 78 0 3.3 bash -
377 238 160 3.4 zsh -
48 36 12 84.9 bumpleak/osh mut
60 48 12 84.9 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.4 osh-native mut+alloc
104 84 20 75.3 osh-native mut+alloc+free
144 107 36 49.8 osh-native mut+alloc+free+gc
146 118 28 50.4 osh-native mut+alloc+free+gc+exit
137 100 36 99.2 _bin/cxx-opt+nopool/osh mut+alloc
200 168 32 67.5 _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 0 6 3.0 bash -
8 0 7 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
7 0 7 11.9 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 8 0 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _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 8 16 3.4 zsh -
19 19 0 31.4 bumpleak/osh mut
25 25 0 31.6 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 37 0 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
52 20 32 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 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
73 65 8 3.1 bash -
169 118 51 55.0 bumpleak/osh mut
181 118 63 54.8 _bin/cxx-opt+bumproot/osh mut
192 132 60 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 140 68 47.0 osh-native mut+alloc
215 147 68 48.6 osh-native mut+alloc+free
179 131 48 8.5 osh-native mut+alloc+free+gc
177 106 71 8.7 osh-native mut+alloc+free+gc+exit
232 140 92 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 147 60 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
9 6 3 3.5 dash -
19 17 2 4.5 bash -
17 17 1 3.5 zsh -
18 9 8 11.2 bumpleak/osh mut
20 5 15 13.5 _bin/cxx-opt+bumproot/osh mut
19 16 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.0 osh-native mut+alloc
22 12 10 11.0 osh-native mut+alloc+free
22 18 4 8.9 osh-native mut+alloc+free+gc
23 17 6 8.9 osh-native mut+alloc+free+gc+exit
24 20 4 12.6 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc