Memory Management Overhead

Source code: oils/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 32 4 10 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 4 10 12.0 18.6 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 136 24 63 45.9 51.9 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 143 24 62 45.9 52.4 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.0 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,229 277 3 84,014 1 42,007 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.6 dash -
13 12 1 3.3 bash -
91 47 51 3.5 zsh -
15 11 4 29.5 bumpleak/osh mut
16 13 4 28.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.3 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
32 29 3 18.2 osh-native mut+alloc+free+gc
33 26 7 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.6 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 22.7 _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 22 1 1.7 dash -
42 41 1 3.5 bash -
339 185 178 3.7 zsh -
46 39 6 85.6 bumpleak/osh mut
49 40 8 86.3 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 43 39 73.6 osh-native mut+alloc
91 59 31 75.5 osh-native mut+alloc+free
136 112 24 51.9 osh-native mut+alloc+free+gc
141 121 20 52.5 osh-native mut+alloc+free+gc+exit
90 59 31 74.2 osh-nosouffle mut+alloc
101 78 23 75.9 osh-nosouffle mut+alloc+free
143 122 21 52.4 osh-nosouffle mut+alloc+free+gc
150 124 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 75 53 99.4 _bin/cxx-opt+nopool/osh mut+alloc
191 150 41 71.6 _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 1.7 dash -
4 4 0 3.1 bash -
6 3 3 3.4 zsh -
6 5 2 12.3 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
6 4 2 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 1 7 10.6 osh-native mut+alloc
8 1 7 10.7 osh-native mut+alloc+free
9 6 4 8.8 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 4 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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
9 9 0 1.4 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
17 13 4 33.7 bumpleak/osh mut
18 15 3 32.9 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 16 4 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 24 9 27.3 osh-nosouffle mut+alloc
36 24 11 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 22 24 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _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
105 100 5 3.5 bash -
213 157 56 56.7 bumpleak/osh mut
221 165 56 57.3 _bin/cxx-opt+bumproot/osh mut
239 170 69 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 183 72 48.8 osh-native mut+alloc
266 180 86 50.7 osh-native mut+alloc+free
221 166 55 9.0 osh-native mut+alloc+free+gc
222 178 44 9.0 osh-native mut+alloc+free+gc+exit
260 182 78 49.2 osh-nosouffle mut+alloc
271 204 67 51.3 osh-nosouffle mut+alloc+free
226 175 51 9.6 osh-nosouffle mut+alloc+free+gc
227 172 55 9.6 osh-nosouffle mut+alloc+free+gc+exit
276 207 69 64.7 _bin/cxx-opt+nopool/osh mut+alloc
251 201 50 10.5 _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 5 4 3.9 dash -
16 8 8 4.8 bash -
15 8 8 4.1 zsh -
17 7 10 13.8 bumpleak/osh mut
19 8 11 13.6 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 6 15 12.1 osh-nosouffle mut+alloc
21 14 8 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc