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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 153 24 64 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 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 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 -
24 23 0 3.0 bash -
105 59 53 3.4 zsh -
16 10 6 28.9 bumpleak/osh mut
21 10 10 29.6 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.2 osh-native mut+alloc
32 27 4 25.4 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 21 21 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 22.1 _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
23 23 0 1.6 dash -
78 78 0 3.1 bash -
379 187 214 3.4 zsh -
49 45 4 85.0 bumpleak/osh mut
60 52 8 85.8 _bin/cxx-opt+bumproot/osh mut
72 63 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.6 osh-native mut+alloc
109 69 40 75.3 osh-native mut+alloc+free
153 136 16 51.6 osh-native mut+alloc+free+gc
161 133 28 52.1 osh-native mut+alloc+free+gc+exit
137 85 52 98.8 _bin/cxx-opt+nopool/osh mut+alloc
215 171 44 72.4 _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 4 4 3.3 zsh -
6 0 6 10.1 bumpleak/osh mut
7 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.3 _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 1.6 dash -
29 29 0 2.9 bash -
24 16 8 3.4 zsh -
18 9 9 30.9 bumpleak/osh mut
25 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 31 8 26.3 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.3 _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 72 0 3.0 bash -
168 128 40 54.7 bumpleak/osh mut
183 103 79 55.1 _bin/cxx-opt+bumproot/osh mut
193 130 63 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 153 61 47.1 osh-native mut+alloc
224 159 64 48.9 osh-native mut+alloc+free
181 113 68 8.7 osh-native mut+alloc+free+gc
180 100 80 8.7 osh-native mut+alloc+free+gc+exit
230 167 63 62.4 _bin/cxx-opt+nopool/osh mut+alloc
209 156 52 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 5 6 3.5 dash -
20 12 8 4.3 bash -
17 13 5 3.5 zsh -
19 17 3 12.1 bumpleak/osh mut
22 11 11 12.8 _bin/cxx-opt+bumproot/osh mut
22 11 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 7 11.0 osh-native mut+alloc
23 17 6 11.0 osh-native mut+alloc+free
22 16 7 9.0 osh-native mut+alloc+free+gc
23 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 16 9 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc