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 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 10 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 24 62 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 139 23 57 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 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 222 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,233 277 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 1.8 dash -
13 13 0 3.4 bash -
89 47 49 3.7 zsh -
15 14 1 29.6 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 27 1 25.8 osh-native mut+alloc+free
33 26 7 18.2 osh-native mut+alloc+free+gc
34 28 6 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 22 8 26.5 osh-nosouffle mut+alloc+free
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 20 20 32.1 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 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 23 0 1.7 dash -
42 40 2 3.5 bash -
330 187 166 3.7 zsh -
45 36 9 84.9 bumpleak/osh mut
49 39 10 86.9 _bin/cxx-opt+bumproot/osh mut
58 49 9 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 49 34 73.7 osh-native mut+alloc
94 69 24 75.5 osh-native mut+alloc+free
137 112 25 51.7 osh-native mut+alloc+free+gc
143 121 22 52.5 osh-native mut+alloc+free+gc+exit
92 54 37 74.2 osh-nosouffle mut+alloc
101 68 33 75.9 osh-nosouffle mut+alloc+free
139 116 23 52.3 osh-nosouffle mut+alloc+free+gc
146 123 23 52.7 osh-nosouffle mut+alloc+free+gc+exit
127 78 48 99.4 _bin/cxx-opt+nopool/osh mut+alloc
195 160 35 72.9 _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 2 1 3.1 bash -
6 2 4 3.3 zsh -
6 4 2 11.9 bumpleak/osh mut
8 4 4 12.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.8 _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 1.7 dash -
30 29 1 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 33.3 bumpleak/osh mut
18 13 5 33.6 _bin/cxx-opt+bumproot/osh mut
20 17 3 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 26.9 osh-native mut+alloc
30 26 4 27.1 osh-native mut+alloc+free
21 20 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
35 28 7 27.6 osh-nosouffle mut+alloc+free
24 24 0 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 20 25 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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 97 6 3.4 bash -
211 172 39 57.1 bumpleak/osh mut
220 160 60 57.7 _bin/cxx-opt+bumproot/osh mut
239 183 56 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 196 62 48.8 osh-native mut+alloc
265 186 78 50.7 osh-native mut+alloc+free
222 173 49 9.0 osh-native mut+alloc+free+gc
223 167 56 9.2 osh-native mut+alloc+free+gc+exit
261 198 63 49.3 osh-nosouffle mut+alloc
268 191 77 51.3 osh-nosouffle mut+alloc+free
232 184 48 9.6 osh-nosouffle mut+alloc+free+gc
226 175 51 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 202 76 65.3 _bin/cxx-opt+nopool/osh mut+alloc
252 197 55 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 2 7 3.9 dash -
16 8 8 5.0 bash -
16 6 10 3.9 zsh -
17 9 9 12.5 bumpleak/osh mut
19 6 13 13.8 _bin/cxx-opt+bumproot/osh mut
19 11 9 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 9 11.5 osh-native mut+alloc
20 12 9 11.8 osh-native mut+alloc+free
20 13 7 9.4 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
21 10 11 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 9 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc