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 33 4 11 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 147 31 72 45.9 51.6 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 148 24 65 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.3 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,233 277 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
7 7 0 1.7 dash -
13 12 1 3.4 bash -
90 51 46 3.5 zsh -
15 12 3 30.1 bumpleak/osh mut
17 13 4 29.3 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.7 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
33 26 7 18.2 osh-native mut+alloc+free+gc
34 28 6 18.4 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 14 16 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
35 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.5 _bin/cxx-opt+nopool/osh mut+alloc
47 35 12 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 20 3 1.7 dash -
42 40 2 3.5 bash -
325 195 152 3.7 zsh -
45 36 9 86.0 bumpleak/osh mut
49 41 8 85.8 _bin/cxx-opt+bumproot/osh mut
60 43 17 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.7 osh-native mut+alloc
94 58 36 75.5 osh-native mut+alloc+free
147 129 18 51.6 osh-native mut+alloc+free+gc
146 125 21 52.4 osh-native mut+alloc+free+gc+exit
93 60 33 74.2 osh-nosouffle mut+alloc
102 68 34 76.0 osh-nosouffle mut+alloc+free
148 120 28 52.3 osh-nosouffle mut+alloc+free+gc
149 125 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 70 59 98.9 _bin/cxx-opt+nopool/osh mut+alloc
217 179 38 72.5 _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 1.6 dash -
4 2 2 3.1 bash -
6 4 2 3.4 zsh -
6 5 1 11.7 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 1 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 32.7 bumpleak/osh mut
18 15 3 32.3 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.9 osh-native mut+alloc
31 20 11 27.0 osh-native mut+alloc+free
21 17 4 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 18 15 27.3 osh-nosouffle mut+alloc
34 26 9 27.7 osh-nosouffle mut+alloc+free
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 23 22 36.8 _bin/cxx-opt+nopool/osh mut+alloc
29 24 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 92 11 3.4 bash -
213 158 55 57.0 bumpleak/osh mut
220 161 60 56.5 _bin/cxx-opt+bumproot/osh mut
242 192 50 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 189 70 48.8 osh-native mut+alloc
266 195 71 50.9 osh-native mut+alloc+free
223 172 51 9.2 osh-native mut+alloc+free+gc
222 185 37 9.0 osh-native mut+alloc+free+gc+exit
264 202 62 49.3 osh-nosouffle mut+alloc
271 196 75 51.3 osh-nosouffle mut+alloc+free
228 184 44 9.3 osh-nosouffle mut+alloc+free+gc
229 181 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 202 78 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 201 51 10.4 _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 10 6 4.8 bash -
16 4 12 3.9 zsh -
17 7 11 14.0 bumpleak/osh mut
20 8 12 13.6 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.7 osh-native mut+alloc
21 12 10 11.8 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
21 7 14 12.2 osh-nosouffle mut+alloc+free
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc
23 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc