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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 154 25 67 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 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,145 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 22 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
7 3 3 1.6 dash -
23 19 4 3.1 bash -
104 66 44 3.4 zsh -
15 12 4 28.4 bumpleak/osh mut
19 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
22 19 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.3 osh-native mut+alloc
32 27 4 25.7 osh-native mut+alloc+free
35 23 12 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 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
22 22 0 1.4 dash -
77 77 0 3.1 bash -
381 189 213 3.7 zsh -
48 35 12 85.2 bumpleak/osh mut
60 52 8 85.1 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.6 osh-native mut+alloc
107 67 39 75.4 osh-native mut+alloc+free
154 134 20 51.4 osh-native mut+alloc+free+gc
159 143 16 52.2 osh-native mut+alloc+free+gc+exit
140 104 36 98.6 _bin/cxx-opt+nopool/osh mut+alloc
216 188 28 71.9 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.1 zsh -
7 3 3 11.6 bumpleak/osh mut
7 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 4 4 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 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
11 10 0 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
19 19 0 32.6 bumpleak/osh mut
32 32 0 32.8 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
39 15 23 26.7 osh-native mut+alloc+free
28 20 8 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 37 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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 69 4 3.1 bash -
169 90 78 55.9 bumpleak/osh mut
180 132 48 54.6 _bin/cxx-opt+bumproot/osh mut
194 145 48 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 119 91 46.9 osh-native mut+alloc
222 134 87 48.9 osh-native mut+alloc+free
182 103 79 8.8 osh-native mut+alloc+free+gc
182 129 52 8.7 osh-native mut+alloc+free+gc+exit
235 151 83 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 175 32 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 7 3 3.5 dash -
20 14 7 4.3 bash -
18 12 7 3.4 zsh -
18 13 6 11.3 bumpleak/osh mut
20 17 3 12.2 _bin/cxx-opt+bumproot/osh mut
21 14 8 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.9 osh-native mut+alloc
22 15 8 11.0 osh-native mut+alloc+free
22 18 4 8.8 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc