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 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 141 26 66 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 26 67 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 1 2.8 8.8 572,128 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 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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 1.6 dash -
13 12 1 3.4 bash -
90 49 48 3.5 zsh -
15 12 3 29.5 bumpleak/osh mut
17 13 3 30.6 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 13 25.3 osh-native mut+alloc
29 13 16 25.7 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
34 30 4 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 26.1 osh-nosouffle mut+alloc
31 22 9 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
37 28 8 18.9 osh-nosouffle mut+alloc+free+gc+exit
41 25 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 37 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 20 3 1.6 dash -
42 42 0 3.5 bash -
324 172 174 3.7 zsh -
46 37 8 84.9 bumpleak/osh mut
49 39 10 86.1 _bin/cxx-opt+bumproot/osh mut
60 50 10 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
87 49 38 73.7 osh-native mut+alloc
95 59 36 75.6 osh-native mut+alloc+free
141 115 26 51.9 osh-native mut+alloc+free+gc
149 128 21 52.4 osh-native mut+alloc+free+gc+exit
93 66 27 74.1 osh-nosouffle mut+alloc
101 64 37 75.9 osh-nosouffle mut+alloc+free
150 127 23 52.1 osh-nosouffle mut+alloc+free+gc
157 134 23 52.7 osh-nosouffle mut+alloc+free+gc+exit
131 80 51 99.1 _bin/cxx-opt+nopool/osh mut+alloc
201 171 30 71.6 _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 1.7 dash -
4 2 1 3.3 bash -
7 3 4 3.4 zsh -
6 3 3 11.9 bumpleak/osh mut
6 3 4 13.4 _bin/cxx-opt+bumproot/osh mut
7 5 1 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 5 4 10.5 osh-native mut+alloc+free
9 6 4 8.8 osh-native mut+alloc+free+gc
9 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 6 4 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
11 6 5 9.0 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
9 9 1 1.6 dash -
31 31 0 3.3 bash -
21 18 3 3.4 zsh -
17 12 5 32.6 bumpleak/osh mut
18 14 4 33.8 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 26.9 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 30 6 27.5 osh-nosouffle mut+alloc+free
26 26 0 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 38 8 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 10.0 _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
103 101 2 3.4 bash -
212 166 46 57.2 bumpleak/osh mut
220 163 57 56.4 _bin/cxx-opt+bumproot/osh mut
237 180 57 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 187 70 48.8 osh-native mut+alloc
264 191 73 50.9 osh-native mut+alloc+free
222 177 45 9.2 osh-native mut+alloc+free+gc
224 163 61 9.0 osh-native mut+alloc+free+gc+exit
261 189 72 49.3 osh-nosouffle mut+alloc
271 207 64 51.4 osh-nosouffle mut+alloc+free
227 177 50 9.6 osh-nosouffle mut+alloc+free+gc
229 181 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 207 74 65.9 _bin/cxx-opt+nopool/osh mut+alloc
252 214 37 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 4 5 4.1 dash -
16 9 7 4.8 bash -
16 9 7 4.1 zsh -
17 11 7 12.7 bumpleak/osh mut
18 8 10 14.2 _bin/cxx-opt+bumproot/osh mut
18 9 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 13 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
20 13 8 9.3 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 8 14 10.0 osh-nosouffle mut+alloc+free+gc
23 10 14 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc