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 32 4 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 25 64 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 25 64 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,803 180 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 8.4 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,233 277 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
6 7 0 1.7 dash -
13 12 1 3.1 bash -
90 62 36 3.7 zsh -
15 11 4 28.7 bumpleak/osh mut
16 12 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
29 14 15 26.0 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
33 22 11 18.4 osh-native mut+alloc+free+gc+exit
28 19 10 26.1 osh-nosouffle mut+alloc
31 22 9 26.3 osh-nosouffle mut+alloc+free
35 24 11 18.7 osh-nosouffle mut+alloc+free+gc
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 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 22 1 1.6 dash -
42 41 1 3.4 bash -
329 186 165 3.8 zsh -
44 35 9 86.3 bumpleak/osh mut
48 40 8 86.6 _bin/cxx-opt+bumproot/osh mut
58 47 11 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 59 23 73.9 osh-native mut+alloc
90 60 30 75.8 osh-native mut+alloc+free
138 117 21 51.9 osh-native mut+alloc+free+gc
145 120 25 52.4 osh-native mut+alloc+free+gc+exit
91 64 27 74.1 osh-nosouffle mut+alloc
100 72 28 75.9 osh-nosouffle mut+alloc+free
146 124 22 52.1 osh-nosouffle mut+alloc+free+gc
153 128 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 76 47 98.2 _bin/cxx-opt+nopool/osh mut+alloc
197 166 31 73.1 _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 2 0 1.6 dash -
4 2 2 3.1 bash -
7 4 3 3.3 zsh -
6 2 4 12.2 bumpleak/osh mut
6 4 2 12.8 _bin/cxx-opt+bumproot/osh mut
7 3 4 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.7 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 4 6 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 1.6 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 33.4 bumpleak/osh mut
19 17 2 33.2 _bin/cxx-opt+bumproot/osh mut
21 14 8 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 8 27.0 osh-native mut+alloc
30 17 13 27.1 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 18 15 27.3 osh-nosouffle mut+alloc
35 22 14 27.6 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
24 21 4 8.9 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.1 _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 98 5 3.4 bash -
211 157 54 57.3 bumpleak/osh mut
225 174 51 56.8 _bin/cxx-opt+bumproot/osh mut
241 169 72 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 200 59 48.8 osh-native mut+alloc
268 195 73 50.7 osh-native mut+alloc+free
223 182 40 9.0 osh-native mut+alloc+free+gc
224 182 42 9.0 osh-native mut+alloc+free+gc+exit
261 188 73 49.3 osh-nosouffle mut+alloc
267 188 79 51.1 osh-nosouffle mut+alloc+free
226 176 50 9.4 osh-nosouffle mut+alloc+free+gc
227 178 49 9.8 osh-nosouffle mut+alloc+free+gc+exit
279 182 97 64.4 _bin/cxx-opt+nopool/osh mut+alloc
262 220 42 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 4 5 3.9 dash -
16 7 10 4.8 bash -
16 11 5 3.9 zsh -
18 8 11 13.2 bumpleak/osh mut
20 10 10 13.9 _bin/cxx-opt+bumproot/osh mut
18 12 6 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 12 8 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 9 12 9.6 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
22 16 7 12.1 osh-nosouffle mut+alloc+free
22 12 11 9.8 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc