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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 163 28 85 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 26 72 45.9 52.1 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 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 227 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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
7 6 1 1.7 dash -
13 12 1 3.4 bash -
93 53 47 3.5 zsh -
15 12 3 29.4 bumpleak/osh mut
17 15 2 30.1 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
33 28 5 18.1 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
31 20 11 26.3 osh-nosouffle mut+alloc+free
35 31 4 18.6 osh-nosouffle mut+alloc+free+gc
38 29 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.9 _bin/cxx-opt+nopool/osh mut+alloc
50 40 10 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 1.6 dash -
42 41 1 3.4 bash -
333 180 177 3.8 zsh -
45 35 11 84.7 bumpleak/osh mut
49 42 7 86.3 _bin/cxx-opt+bumproot/osh mut
61 49 11 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 50 34 73.5 osh-native mut+alloc
96 64 32 75.5 osh-native mut+alloc+free
163 135 28 51.9 osh-native mut+alloc+free+gc
159 126 33 52.5 osh-native mut+alloc+free+gc+exit
93 66 27 74.2 osh-nosouffle mut+alloc
102 68 34 75.9 osh-nosouffle mut+alloc+free
157 132 25 52.1 osh-nosouffle mut+alloc+free+gc
164 137 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 74 54 97.8 _bin/cxx-opt+nopool/osh mut+alloc
226 198 28 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 1.4 dash -
4 2 1 3.3 bash -
7 2 4 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 2 4 13.2 _bin/cxx-opt+bumproot/osh mut
8 6 2 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
9 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 7 2 9.0 osh-native mut+alloc+free+gc+exit
9 4 5 11.1 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
11 9 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 3 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
10 10 0 1.6 dash -
30 28 2 3.3 bash -
21 13 8 3.4 zsh -
18 13 5 32.6 bumpleak/osh mut
19 15 4 32.5 _bin/cxx-opt+bumproot/osh mut
22 17 5 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 20 11 27.2 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
21 17 4 8.3 osh-native mut+alloc+free+gc+exit
35 27 7 27.3 osh-nosouffle mut+alloc
36 24 12 27.4 osh-nosouffle mut+alloc+free
26 23 3 8.7 osh-nosouffle mut+alloc+free+gc
26 21 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 36 10 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 29 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
104 99 5 3.4 bash -
213 165 48 56.2 bumpleak/osh mut
223 171 52 57.8 _bin/cxx-opt+bumproot/osh mut
241 174 67 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 185 71 48.8 osh-native mut+alloc
267 195 72 50.7 osh-native mut+alloc+free
227 180 47 9.2 osh-native mut+alloc+free+gc
226 184 42 9.0 osh-native mut+alloc+free+gc+exit
264 188 76 49.2 osh-nosouffle mut+alloc
271 207 64 51.3 osh-nosouffle mut+alloc+free
232 176 56 9.6 osh-nosouffle mut+alloc+free+gc
230 191 39 9.8 osh-nosouffle mut+alloc+free+gc+exit
280 214 67 65.7 _bin/cxx-opt+nopool/osh mut+alloc
261 206 55 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 4.1 dash -
16 8 8 4.7 bash -
16 10 6 3.9 zsh -
20 8 11 13.6 bumpleak/osh mut
20 10 11 13.9 _bin/cxx-opt+bumproot/osh mut
19 8 12 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.7 osh-native mut+alloc
21 14 8 11.7 osh-native mut+alloc+free
21 16 6 9.4 osh-native mut+alloc+free+gc
22 12 11 9.7 osh-native mut+alloc+free+gc+exit
21 12 10 12.1 osh-nosouffle mut+alloc
23 11 12 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 12 12 10.0 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 17 8 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc