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 18.2 471,276 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 144 26 69 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 159 28 74 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 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 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 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 1 1.6 dash -
13 11 2 3.4 bash -
89 55 41 3.5 zsh -
16 14 2 28.9 bumpleak/osh mut
16 11 6 30.3 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 12 25.4 osh-native mut+alloc
29 24 5 25.8 osh-native mut+alloc+free
33 27 6 18.2 osh-native mut+alloc+free+gc
33 26 7 18.2 osh-native mut+alloc+free+gc+exit
29 15 13 25.8 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 36 10 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 22 1 1.7 dash -
43 42 1 3.3 bash -
333 176 181 3.7 zsh -
46 38 8 86.3 bumpleak/osh mut
49 41 8 85.0 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 55 29 73.5 osh-native mut+alloc
93 61 32 75.5 osh-native mut+alloc+free
144 118 25 51.7 osh-native mut+alloc+free+gc
152 136 16 52.4 osh-native mut+alloc+free+gc+exit
93 67 26 74.2 osh-nosouffle mut+alloc
103 69 34 76.0 osh-nosouffle mut+alloc+free
159 134 25 52.3 osh-nosouffle mut+alloc+free+gc
158 134 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 79 47 98.2 _bin/cxx-opt+nopool/osh mut+alloc
209 175 33 73.3 _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 3.3 bash -
7 3 4 3.4 zsh -
6 2 4 11.3 bumpleak/osh mut
7 5 1 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 6 3 10.5 osh-native mut+alloc+free
9 6 4 8.7 osh-native mut+alloc+free+gc
9 5 5 8.8 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.7 _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 1.4 dash -
31 31 0 3.3 bash -
21 15 7 3.4 zsh -
17 13 4 33.0 bumpleak/osh mut
19 14 5 32.9 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 16 26.9 osh-native mut+alloc
31 23 8 27.1 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
34 21 13 27.4 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 31 16 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 25 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
104 97 7 3.4 bash -
216 162 54 56.8 bumpleak/osh mut
222 167 55 57.0 _bin/cxx-opt+bumproot/osh mut
239 188 51 58.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
261 188 73 48.8 osh-native mut+alloc
268 196 72 50.9 osh-native mut+alloc+free
224 165 59 9.2 osh-native mut+alloc+free+gc
224 180 44 9.0 osh-native mut+alloc+free+gc+exit
264 192 72 49.3 osh-nosouffle mut+alloc
275 217 55 51.3 osh-nosouffle mut+alloc+free
227 180 47 9.6 osh-nosouffle mut+alloc+free+gc
235 169 65 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 208 70 64.6 _bin/cxx-opt+nopool/osh mut+alloc
254 221 32 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
16 9 7 3.9 dash -
16 6 10 4.6 bash -
16 7 9 4.1 zsh -
19 7 12 12.9 bumpleak/osh mut
18 9 10 12.4 _bin/cxx-opt+bumproot/osh mut
19 8 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
22 14 9 9.4 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 9 12 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
23 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc