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 33 4 10 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 163 31 84 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 163 29 78 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 23 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 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 233 0 5 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 23 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 10.0 117,258 277 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 6 1 1.6 dash -
15 14 1 3.3 bash -
95 62 40 3.5 zsh -
16 10 6 30.5 bumpleak/osh mut
18 12 6 29.1 _bin/cxx-opt+bumproot/osh mut
20 11 9 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.3 osh-native mut+alloc
29 15 14 26.0 osh-native mut+alloc+free
33 25 7 18.1 osh-native mut+alloc+free+gc
36 28 8 18.4 osh-native mut+alloc+free+gc+exit
29 19 11 25.8 osh-nosouffle mut+alloc
32 21 11 26.2 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
38 29 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
56 46 10 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 21 2 1.8 dash -
43 41 2 3.4 bash -
339 204 158 3.5 zsh -
47 37 10 86.5 bumpleak/osh mut
50 39 11 85.3 _bin/cxx-opt+bumproot/osh mut
62 45 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 48 36 73.7 osh-native mut+alloc
96 60 36 75.8 osh-native mut+alloc+free
163 141 22 51.7 osh-native mut+alloc+free+gc
162 140 22 52.5 osh-native mut+alloc+free+gc+exit
95 61 34 74.2 osh-nosouffle mut+alloc
104 75 28 76.0 osh-nosouffle mut+alloc+free
163 136 27 52.1 osh-nosouffle mut+alloc+free+gc
177 148 29 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 77 47 98.6 _bin/cxx-opt+nopool/osh mut+alloc
239 210 29 74.2 _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 3 1 3.1 bash -
7 3 3 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
7 5 2 12.0 _bin/cxx-opt+bumproot/osh mut
8 5 3 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.7 osh-native mut+alloc
9 4 5 10.6 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
10 5 4 11.1 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
11 10 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 20 1 3.4 zsh -
20 16 4 32.3 bumpleak/osh mut
19 18 1 33.0 _bin/cxx-opt+bumproot/osh mut
24 17 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 12 26.9 osh-native mut+alloc
31 18 13 27.0 osh-native mut+alloc+free
23 21 2 8.3 osh-native mut+alloc+free+gc
21 19 2 8.3 osh-native mut+alloc+free+gc+exit
38 27 11 27.1 osh-nosouffle mut+alloc
36 24 12 27.4 osh-nosouffle mut+alloc+free
25 19 6 8.7 osh-nosouffle mut+alloc+free+gc
28 24 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 27 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 3.4 bash -
213 156 57 57.3 bumpleak/osh mut
231 173 58 56.2 _bin/cxx-opt+bumproot/osh mut
244 199 45 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
265 187 78 48.8 osh-native mut+alloc
267 183 84 50.7 osh-native mut+alloc+free
226 168 58 9.2 osh-native mut+alloc+free+gc
225 171 54 9.0 osh-native mut+alloc+free+gc+exit
270 203 66 49.4 osh-nosouffle mut+alloc
271 212 59 51.4 osh-nosouffle mut+alloc+free
233 195 38 9.7 osh-nosouffle mut+alloc+free+gc
238 192 46 9.7 osh-nosouffle mut+alloc+free+gc+exit
285 193 92 64.5 _bin/cxx-opt+nopool/osh mut+alloc
268 220 48 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
10 5 6 3.9 dash -
16 6 11 4.8 bash -
16 9 8 3.9 zsh -
18 10 9 12.2 bumpleak/osh mut
18 10 9 14.4 _bin/cxx-opt+bumproot/osh mut
21 6 16 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 10 13 11.4 osh-native mut+alloc
23 13 10 11.8 osh-native mut+alloc+free
23 13 11 9.4 osh-native mut+alloc+free+gc
24 10 13 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 9 15 11.9 osh-nosouffle mut+alloc+free
23 13 11 10.0 osh-nosouffle mut+alloc+free+gc
24 11 13 9.8 osh-nosouffle mut+alloc+free+gc+exit
25 13 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc