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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 141 27 66 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 158 29 75 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 258 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 24 1 3 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,233 277 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
7 7 0 1.7 dash -
13 12 1 3.3 bash -
88 60 35 3.5 zsh -
15 13 2 30.3 bumpleak/osh mut
16 12 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.2 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
31 22 9 18.4 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
31 21 10 26.1 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 32.1 _bin/cxx-opt+nopool/osh mut+alloc
45 31 14 22.6 _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 1.6 dash -
42 40 2 3.4 bash -
324 180 168 3.7 zsh -
45 38 7 85.8 bumpleak/osh mut
48 37 11 85.9 _bin/cxx-opt+bumproot/osh mut
60 43 17 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 54 31 73.8 osh-native mut+alloc
93 56 38 75.5 osh-native mut+alloc+free
141 114 27 51.9 osh-native mut+alloc+free+gc
144 118 26 52.3 osh-native mut+alloc+free+gc+exit
93 61 33 74.1 osh-nosouffle mut+alloc
101 69 32 75.8 osh-nosouffle mut+alloc+free
158 137 21 52.3 osh-nosouffle mut+alloc+free+gc
161 133 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 98.2 _bin/cxx-opt+nopool/osh mut+alloc
196 164 32 72.7 _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 1.6 dash -
4 4 0 3.3 bash -
6 4 3 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 5 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 3.3 bash -
21 15 6 3.4 zsh -
17 12 5 32.5 bumpleak/osh mut
18 14 5 32.9 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 21 10 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
33 25 8 27.5 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 22 7 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
103 98 5 3.4 bash -
211 155 56 56.7 bumpleak/osh mut
219 169 50 57.3 _bin/cxx-opt+bumproot/osh mut
239 173 66 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 179 76 48.8 osh-native mut+alloc
265 205 60 50.9 osh-native mut+alloc+free
221 166 55 9.0 osh-native mut+alloc+free+gc
222 174 48 9.0 osh-native mut+alloc+free+gc+exit
269 199 70 49.2 osh-nosouffle mut+alloc
277 211 66 51.4 osh-nosouffle mut+alloc+free
258 207 51 9.6 osh-nosouffle mut+alloc+free+gc
228 186 42 9.8 osh-nosouffle mut+alloc+free+gc+exit
278 190 88 65.2 _bin/cxx-opt+nopool/osh mut+alloc
253 208 45 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 3 6 3.9 dash -
16 7 9 4.8 bash -
16 8 8 3.9 zsh -
19 10 9 13.2 bumpleak/osh mut
20 10 10 13.7 _bin/cxx-opt+bumproot/osh mut
20 9 11 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 14 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
24 14 10 9.6 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 6 15 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc