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 29 3 8 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 21 54 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 135 22 52 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 8.8 102,804 180 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 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 216 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 19 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 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 1.7 dash -
13 12 1 3.3 bash -
90 49 48 3.5 zsh -
15 12 3 30.0 bumpleak/osh mut
16 10 6 30.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 20 7 26.0 osh-native mut+alloc+free
29 23 6 18.1 osh-native mut+alloc+free+gc
32 25 7 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 20 9 26.2 osh-nosouffle mut+alloc+free
33 30 3 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
43 36 6 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 1.6 dash -
43 42 1 3.4 bash -
332 188 166 3.7 zsh -
44 35 9 85.8 bumpleak/osh mut
48 42 6 85.2 _bin/cxx-opt+bumproot/osh mut
57 43 14 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 54 28 73.8 osh-native mut+alloc
92 63 28 75.5 osh-native mut+alloc+free
129 112 17 51.7 osh-native mut+alloc+free+gc
134 101 33 52.5 osh-native mut+alloc+free+gc+exit
91 59 32 74.1 osh-nosouffle mut+alloc
99 66 33 75.9 osh-nosouffle mut+alloc+free
135 110 25 52.3 osh-nosouffle mut+alloc+free+gc
138 108 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 84 40 99.6 _bin/cxx-opt+nopool/osh mut+alloc
186 153 33 74.8 _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 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 12.0 bumpleak/osh mut
6 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 4 5 8.9 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 4 4 11.3 osh-nosouffle mut+alloc+free
10 10 0 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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 8 1 1.6 dash -
30 29 1 3.3 bash -
21 15 7 3.5 zsh -
16 12 4 32.1 bumpleak/osh mut
18 13 5 32.5 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.7 osh-native mut+alloc
32 19 13 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 20 0 8.4 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
34 27 7 27.6 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
103 100 3 3.5 bash -
210 165 45 57.4 bumpleak/osh mut
220 166 54 56.6 _bin/cxx-opt+bumproot/osh mut
239 182 57 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 189 67 48.8 osh-native mut+alloc
259 195 63 50.7 osh-native mut+alloc+free
216 164 52 9.2 osh-native mut+alloc+free+gc
221 169 52 9.0 osh-native mut+alloc+free+gc+exit
263 191 72 49.3 osh-nosouffle mut+alloc
271 203 68 51.4 osh-nosouffle mut+alloc+free
225 183 43 9.4 osh-nosouffle mut+alloc+free+gc
226 180 46 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 207 71 66.0 _bin/cxx-opt+nopool/osh mut+alloc
250 211 39 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 5 5 3.9 dash -
16 8 8 5.0 bash -
15 9 7 3.9 zsh -
17 5 12 14.2 bumpleak/osh mut
17 8 10 14.1 _bin/cxx-opt+bumproot/osh mut
18 7 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
18 9 9 11.5 osh-native mut+alloc
19 8 12 11.7 osh-native mut+alloc+free
19 12 7 9.4 osh-native mut+alloc+free+gc
20 9 12 9.7 osh-native mut+alloc+free+gc+exit
20 10 10 12.2 osh-nosouffle mut+alloc
21 12 10 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 14 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
22 14 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc