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 3 9 12.0 18.0 471,254 1,282 6 413,136 5 206,568 osh-native
parse.configure-cpython 37 4 10 12.0 18.6 471,254 1,282 6 413,144 5 206,572 osh-nosouffle
parse.configure-coreutils 140 24 64 45.9 51.7 1,637,993 4,764 12 1,056,634 6 787,838 osh-native
parse.configure-coreutils 145 24 62 45.9 52.0 1,637,992 4,764 12 1,056,642 6 787,842 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,782 180 3 86,622 1 43,311 osh-native
parse.abuild 10 1 2 2.6 9.0 102,782 180 3 86,630 1 43,315 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,106 22,608 12 50,000 0 2,979 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,106 22,608 12 50,000 0 2,983 osh-nosouffle
ex.bashcomp-parse-help 228 0 4 11.6 9.0 990,252 15,258 21 50,000 0 3,959 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.6 990,251 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,210 277 3 83,984 1 41,992 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,209 277 3 83,992 1 41,996 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 1 1.6 dash -
13 12 1 3.4 bash -
91 51 47 3.5 zsh -
15 14 1 29.4 bumpleak/osh mut
16 13 3 30.6 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.3 osh-native mut+alloc
27 20 8 25.8 osh-native mut+alloc+free
31 22 9 18.0 osh-native mut+alloc+free+gc
32 25 7 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 17 13 26.2 osh-nosouffle mut+alloc+free
37 26 11 18.6 osh-nosouffle mut+alloc+free+gc
37 34 3 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 23 15 32.8 _bin/cxx-opt+nopool/osh mut+alloc
44 32 12 22.4 _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 21 2 1.8 dash -
42 39 3 3.4 bash -
331 186 169 3.7 zsh -
48 33 15 85.7 bumpleak/osh mut
48 40 8 84.8 _bin/cxx-opt+bumproot/osh mut
58 44 14 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 29 73.4 osh-native mut+alloc
91 54 38 75.5 osh-native mut+alloc+free
140 123 17 51.7 osh-native mut+alloc+free+gc
139 113 24 52.4 osh-native mut+alloc+free+gc+exit
93 52 41 74.2 osh-nosouffle mut+alloc
100 66 35 76.2 osh-nosouffle mut+alloc+free
145 118 27 52.0 osh-nosouffle mut+alloc+free+gc
148 126 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 78 45 99.1 _bin/cxx-opt+nopool/osh mut+alloc
200 168 31 73.5 _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 1 1 1.7 dash -
4 2 2 3.3 bash -
7 3 4 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
6 5 1 11.3 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.4 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 2 9 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 9 1 1.6 dash -
31 31 0 3.1 bash -
21 14 7 3.5 zsh -
17 11 6 32.5 bumpleak/osh mut
19 14 4 33.1 _bin/cxx-opt+bumproot/osh mut
23 17 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 23 5 26.9 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 18 15 27.3 osh-nosouffle mut+alloc
35 27 8 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
105 101 4 3.5 bash -
213 164 49 57.3 bumpleak/osh mut
221 173 48 56.0 _bin/cxx-opt+bumproot/osh mut
249 179 70 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 180 83 48.8 osh-native mut+alloc
264 188 76 50.7 osh-native mut+alloc+free
228 179 49 9.0 osh-native mut+alloc+free+gc
223 169 54 9.2 osh-native mut+alloc+free+gc+exit
268 196 71 49.3 osh-nosouffle mut+alloc
270 198 72 51.2 osh-nosouffle mut+alloc+free
226 178 49 9.6 osh-nosouffle mut+alloc+free+gc
226 162 64 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 207 71 64.7 _bin/cxx-opt+nopool/osh mut+alloc
253 212 41 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 5 3.9 dash -
16 7 10 4.8 bash -
16 8 8 3.9 zsh -
19 6 14 13.0 bumpleak/osh mut
18 10 9 12.5 _bin/cxx-opt+bumproot/osh mut
20 8 12 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 13 11.5 osh-native mut+alloc
21 11 10 11.7 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 11 9 12.1 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc
23 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc