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 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 134 23 60 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 142 23 59 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 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 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 225 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 56 41 3.5 zsh -
17 12 5 29.3 bumpleak/osh mut
17 14 3 29.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.3 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
33 23 10 18.2 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 23 6 25.8 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 12 32.8 _bin/cxx-opt+nopool/osh mut+alloc
46 36 10 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 23 0 1.7 dash -
42 41 1 3.4 bash -
330 184 169 3.7 zsh -
45 36 9 86.0 bumpleak/osh mut
49 39 10 86.1 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 60 24 73.7 osh-native mut+alloc
92 59 33 75.4 osh-native mut+alloc+free
134 112 22 51.7 osh-native mut+alloc+free+gc
142 124 18 52.4 osh-native mut+alloc+free+gc+exit
92 71 21 74.0 osh-nosouffle mut+alloc
100 66 34 75.9 osh-nosouffle mut+alloc+free
142 123 19 52.3 osh-nosouffle mut+alloc+free+gc
145 125 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 83 42 98.3 _bin/cxx-opt+nopool/osh mut+alloc
188 153 35 71.7 _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 1.7 dash -
4 3 1 3.3 bash -
7 3 4 3.4 zsh -
6 4 2 12.2 bumpleak/osh mut
7 3 4 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 4 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 10 0 1.4 dash -
30 29 1 3.4 bash -
21 17 4 3.4 zsh -
16 11 6 32.3 bumpleak/osh mut
18 14 4 33.3 _bin/cxx-opt+bumproot/osh mut
21 14 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
30 20 10 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 27 8 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 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 9.7 _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 95 8 3.4 bash -
211 167 45 57.7 bumpleak/osh mut
220 159 61 56.2 _bin/cxx-opt+bumproot/osh mut
237 182 55 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 174 84 48.8 osh-native mut+alloc
270 198 72 50.7 osh-native mut+alloc+free
221 181 40 9.2 osh-native mut+alloc+free+gc
222 174 48 9.2 osh-native mut+alloc+free+gc+exit
263 191 72 49.3 osh-nosouffle mut+alloc
269 185 84 51.3 osh-nosouffle mut+alloc+free
225 179 46 9.6 osh-nosouffle mut+alloc+free+gc
226 188 38 10.0 osh-nosouffle mut+alloc+free+gc+exit
277 205 72 64.8 _bin/cxx-opt+nopool/osh mut+alloc
248 204 44 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
9 2 7 3.9 dash -
16 10 7 5.0 bash -
16 8 8 4.1 zsh -
17 7 11 12.8 bumpleak/osh mut
19 8 11 13.4 _bin/cxx-opt+bumproot/osh mut
18 10 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 12 11.5 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 17 4 9.4 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
22 17 6 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc