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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 139 26 65 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 24 64 45.9 52.2 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 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 8.3 572,128 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 222 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,235 277 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
7 7 0 1.7 dash -
13 10 3 3.4 bash -
90 52 45 3.7 zsh -
15 12 3 29.4 bumpleak/osh mut
16 13 3 29.5 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.4 osh-native mut+alloc
28 20 8 25.7 osh-native mut+alloc+free
32 22 11 18.2 osh-native mut+alloc+free+gc
34 26 8 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
35 31 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 37 8 23.1 _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 40 2 3.5 bash -
327 181 167 3.5 zsh -
45 39 6 84.9 bumpleak/osh mut
49 37 13 85.9 _bin/cxx-opt+bumproot/osh mut
59 48 11 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.5 osh-native mut+alloc
93 59 34 75.6 osh-native mut+alloc+free
139 112 27 51.6 osh-native mut+alloc+free+gc
145 121 24 52.5 osh-native mut+alloc+free+gc+exit
93 60 33 74.3 osh-nosouffle mut+alloc
100 65 35 75.9 osh-nosouffle mut+alloc+free
147 121 27 52.2 osh-nosouffle mut+alloc+free+gc
153 132 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 85 41 97.8 _bin/cxx-opt+nopool/osh mut+alloc
199 162 37 72.3 _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 4 0 3.1 bash -
6 3 3 3.4 zsh -
6 5 1 11.8 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
7 2 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _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 30 1 3.3 bash -
21 16 5 3.5 zsh -
17 15 2 33.0 bumpleak/osh mut
18 14 4 32.7 _bin/cxx-opt+bumproot/osh mut
21 18 3 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 4 8.1 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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 98 5 3.4 bash -
214 167 47 56.4 bumpleak/osh mut
221 173 48 57.0 _bin/cxx-opt+bumproot/osh mut
238 178 60 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 172 87 48.8 osh-native mut+alloc
264 194 70 50.9 osh-native mut+alloc+free
222 169 53 9.2 osh-native mut+alloc+free+gc
223 168 55 9.0 osh-native mut+alloc+free+gc+exit
266 192 74 49.2 osh-nosouffle mut+alloc
272 195 77 51.1 osh-nosouffle mut+alloc+free
227 177 50 9.4 osh-nosouffle mut+alloc+free+gc
230 171 59 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 200 78 65.6 _bin/cxx-opt+nopool/osh mut+alloc
252 198 54 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 5 5 3.8 dash -
16 9 7 4.8 bash -
15 11 5 3.9 zsh -
18 10 8 12.7 bumpleak/osh mut
18 10 8 14.5 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 13 8 9.3 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 12 9 12.1 osh-nosouffle mut+alloc
23 13 10 12.3 osh-nosouffle mut+alloc+free
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc