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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 23 59 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 24 60 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,234 277 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 6 1 1.6 dash -
13 12 1 3.1 bash -
91 53 45 3.5 zsh -
16 10 6 28.6 bumpleak/osh mut
17 14 2 29.3 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 25 7 18.4 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
29 15 14 26.0 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc
36 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 14 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 37 7 22.5 _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 1.7 dash -
43 42 1 3.4 bash -
330 188 164 3.7 zsh -
48 39 9 86.3 bumpleak/osh mut
48 36 12 84.9 _bin/cxx-opt+bumproot/osh mut
58 49 9 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 34 73.7 osh-native mut+alloc
90 65 26 75.5 osh-native mut+alloc+free
133 111 22 51.7 osh-native mut+alloc+free+gc
140 117 23 52.4 osh-native mut+alloc+free+gc+exit
92 58 34 74.1 osh-nosouffle mut+alloc
100 66 34 76.0 osh-nosouffle mut+alloc+free
143 123 20 52.3 osh-nosouffle mut+alloc+free+gc
154 121 33 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 79 48 99.0 _bin/cxx-opt+nopool/osh mut+alloc
195 161 34 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 2 0 1.7 dash -
4 3 1 3.1 bash -
7 4 3 3.3 zsh -
6 4 2 13.1 bumpleak/osh mut
6 3 3 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 11.1 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _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
9 9 0 1.6 dash -
31 29 2 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 33.0 bumpleak/osh mut
18 16 2 33.6 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
30 24 6 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 21 12 27.3 osh-nosouffle mut+alloc
37 26 10 27.4 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 13 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
103 101 2 3.4 bash -
211 161 50 57.5 bumpleak/osh mut
221 172 49 56.6 _bin/cxx-opt+bumproot/osh mut
237 179 58 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 167 88 48.9 osh-native mut+alloc
261 181 80 50.7 osh-native mut+alloc+free
222 182 40 9.0 osh-native mut+alloc+free+gc
223 181 42 8.9 osh-native mut+alloc+free+gc+exit
264 193 71 49.2 osh-nosouffle mut+alloc
267 185 82 51.1 osh-nosouffle mut+alloc+free
229 168 60 9.8 osh-nosouffle mut+alloc+free+gc
230 190 40 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 199 77 65.1 _bin/cxx-opt+nopool/osh mut+alloc
254 193 61 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 4 5 4.1 dash -
16 7 9 4.8 bash -
16 4 13 4.1 zsh -
19 7 12 13.2 bumpleak/osh mut
18 6 12 14.4 _bin/cxx-opt+bumproot/osh mut
19 7 13 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.4 osh-native mut+alloc
21 8 13 11.7 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 9 13 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
22 10 13 10.4 osh-nosouffle mut+alloc+free+gc+exit
23 14 10 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 17 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc