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 31 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 130 21 63 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 137 20 61 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.9 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 173 0 5 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 179 0 6 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 19 1 2 3.0 10.1 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
5 4 1 1.7 dash -
11 10 1 3.4 bash -
67 46 26 3.5 zsh -
16 11 5 29.9 bumpleak/osh mut
17 10 6 29.6 _bin/cxx-opt+bumproot/osh mut
19 14 5 31.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 25.6 osh-native mut+alloc
25 18 7 25.8 osh-native mut+alloc+free
31 28 3 18.2 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
25 14 10 26.0 osh-nosouffle mut+alloc
28 23 4 26.3 osh-nosouffle mut+alloc+free
34 34 0 18.7 osh-nosouffle mut+alloc+free+gc
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 21 12 32.8 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 22.8 _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
18 17 1 1.7 dash -
38 37 1 3.4 bash -
237 156 97 3.7 zsh -
49 34 15 86.5 bumpleak/osh mut
53 38 15 85.1 _bin/cxx-opt+bumproot/osh mut
62 45 17 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 37 34 73.7 osh-native mut+alloc
82 58 24 75.5 osh-native mut+alloc+free
130 110 20 51.9 osh-native mut+alloc+free+gc
137 122 15 52.4 osh-native mut+alloc+free+gc+exit
80 59 20 74.2 osh-nosouffle mut+alloc
89 61 29 75.9 osh-nosouffle mut+alloc+free
137 124 13 52.4 osh-nosouffle mut+alloc+free+gc
143 128 15 52.9 osh-nosouffle mut+alloc+free+gc+exit
110 72 38 99.5 _bin/cxx-opt+nopool/osh mut+alloc
188 165 23 72.8 _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
1 1 0 1.6 dash -
3 2 1 3.4 bash -
5 4 1 3.5 zsh -
6 3 3 13.0 bumpleak/osh mut
6 3 3 12.3 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 0 7 10.6 osh-native mut+alloc
7 5 2 10.7 osh-native mut+alloc+free
8 6 3 8.9 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 3 5 11.1 osh-nosouffle mut+alloc
8 4 4 11.3 osh-nosouffle mut+alloc+free
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc
10 6 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 7 2 12.0 _bin/cxx-opt+nopool/osh mut+alloc
11 10 1 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 8 1 1.6 dash -
29 29 0 3.1 bash -
17 12 4 3.5 zsh -
18 12 6 32.0 bumpleak/osh mut
20 14 6 33.7 _bin/cxx-opt+bumproot/osh mut
24 17 7 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 8 27.0 osh-native mut+alloc
28 24 4 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 24 6 27.4 osh-nosouffle mut+alloc
33 27 6 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
96 93 3 3.5 bash -
171 135 36 56.0 bumpleak/osh mut
180 142 38 57.3 _bin/cxx-opt+bumproot/osh mut
189 161 28 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
196 156 39 48.9 osh-native mut+alloc
203 164 39 50.9 osh-native mut+alloc+free
173 156 17 9.0 osh-native mut+alloc+free+gc
175 150 24 9.3 osh-native mut+alloc+free+gc+exit
202 158 44 49.7 osh-nosouffle mut+alloc
210 170 40 51.3 osh-nosouffle mut+alloc+free
179 163 15 9.6 osh-nosouffle mut+alloc+free+gc
179 163 16 9.7 osh-nosouffle mut+alloc+free+gc+exit
219 176 43 64.6 _bin/cxx-opt+nopool/osh mut+alloc
204 183 20 10.7 _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
7 4 3 4.1 dash -
13 10 3 4.8 bash -
12 8 4 4.1 zsh -
16 7 9 13.1 bumpleak/osh mut
16 11 5 13.0 _bin/cxx-opt+bumproot/osh mut
17 10 8 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 9 8 11.7 osh-native mut+alloc
17 11 6 11.9 osh-native mut+alloc+free
17 13 5 9.4 osh-native mut+alloc+free+gc
18 12 7 9.7 osh-native mut+alloc+free+gc+exit
17 9 8 12.3 osh-nosouffle mut+alloc
19 13 7 12.3 osh-nosouffle mut+alloc+free
19 13 6 10.1 osh-nosouffle mut+alloc+free+gc
19 14 5 10.2 osh-nosouffle mut+alloc+free+gc+exit
19 13 6 13.1 _bin/cxx-opt+nopool/osh mut+alloc
20 14 6 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc