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 31 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 39 6 13 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 200 43 123 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 151 22 62 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 8.8 102,804 180 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 21 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 224 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 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 21 1 2 3.0 10.1 117,258 277 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
6 6 0 1.7 dash -
13 12 1 3.1 bash -
89 59 37 3.5 zsh -
15 11 5 30.1 bumpleak/osh mut
17 13 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 16 12 25.7 osh-native mut+alloc+free
31 24 7 18.2 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
29 20 9 26.0 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
39 33 6 18.7 osh-nosouffle mut+alloc+free+gc
34 29 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 33 12 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 22 1 1.7 dash -
42 39 3 3.4 bash -
327 193 158 3.7 zsh -
45 35 11 84.7 bumpleak/osh mut
49 37 12 85.7 _bin/cxx-opt+bumproot/osh mut
60 46 13 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 29 73.5 osh-native mut+alloc
92 54 38 75.4 osh-native mut+alloc+free
200 173 27 51.9 osh-native mut+alloc+free+gc
140 114 24 52.3 osh-native mut+alloc+free+gc+exit
93 59 34 74.3 osh-nosouffle mut+alloc
101 61 40 76.0 osh-nosouffle mut+alloc+free
151 128 23 52.1 osh-nosouffle mut+alloc+free+gc
152 127 25 53.1 osh-nosouffle mut+alloc+free+gc+exit
124 82 42 99.1 _bin/cxx-opt+nopool/osh mut+alloc
203 169 34 73.0 _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 -
7 2 4 3.4 zsh -
6 3 3 12.6 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.5 osh-native mut+alloc
9 5 3 10.6 osh-native mut+alloc+free
10 6 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
21 20 1 3.4 zsh -
17 12 5 33.5 bumpleak/osh mut
19 15 4 32.7 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 15 26.7 osh-native mut+alloc
32 19 13 27.1 osh-native mut+alloc+free
21 20 1 8.4 osh-native mut+alloc+free+gc
21 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 25 9 27.3 osh-nosouffle mut+alloc
36 28 8 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 32 15 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
107 103 4 3.5 bash -
213 166 47 57.4 bumpleak/osh mut
223 173 50 57.3 _bin/cxx-opt+bumproot/osh mut
242 172 70 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 194 63 48.8 osh-native mut+alloc
266 207 59 50.7 osh-native mut+alloc+free
224 180 44 9.0 osh-native mut+alloc+free+gc
222 187 35 9.2 osh-native mut+alloc+free+gc+exit
264 190 74 49.4 osh-nosouffle mut+alloc
267 196 72 51.4 osh-nosouffle mut+alloc+free
229 186 43 9.6 osh-nosouffle mut+alloc+free+gc
230 188 42 10.0 osh-nosouffle mut+alloc+free+gc+exit
281 200 81 65.7 _bin/cxx-opt+nopool/osh mut+alloc
252 208 44 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 9 7 4.8 bash -
16 9 7 3.9 zsh -
18 10 8 14.1 bumpleak/osh mut
19 7 13 13.0 _bin/cxx-opt+bumproot/osh mut
18 9 9 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 11 11 9.4 osh-native mut+alloc+free+gc+exit
20 12 9 12.2 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
23 12 11 10.4 osh-nosouffle mut+alloc+free+gc+exit
23 8 15 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc