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 5 11 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 147 26 71 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 157 27 72 45.9 52.2 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.0 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,229 277 3 84,014 1 42,007 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 3.3 bash -
90 42 54 3.7 zsh -
16 14 2 30.3 bumpleak/osh mut
16 13 3 30.3 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.4 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
33 29 4 18.2 osh-native mut+alloc+free+gc
33 27 5 18.2 osh-native mut+alloc+free+gc+exit
30 19 10 26.0 osh-nosouffle mut+alloc
31 18 13 26.2 osh-nosouffle mut+alloc+free
36 26 10 18.7 osh-nosouffle mut+alloc+free+gc
37 30 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 42 7 22.5 _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 -
43 42 1 3.4 bash -
322 189 157 3.8 zsh -
46 38 8 85.5 bumpleak/osh mut
48 40 8 85.5 _bin/cxx-opt+bumproot/osh mut
64 47 17 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 52 33 73.8 osh-native mut+alloc
97 62 35 75.5 osh-native mut+alloc+free
147 125 22 51.7 osh-native mut+alloc+free+gc
149 129 20 52.3 osh-native mut+alloc+free+gc+exit
91 57 34 74.3 osh-nosouffle mut+alloc
101 67 34 76.0 osh-nosouffle mut+alloc+free
157 137 20 52.2 osh-nosouffle mut+alloc+free+gc
165 139 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 84 44 97.5 _bin/cxx-opt+nopool/osh mut+alloc
217 183 34 72.4 _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 1.8 dash -
4 2 2 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 13.2 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 4 5 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
10 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.6 _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 9 1 1.6 dash -
31 30 1 3.4 bash -
21 19 2 3.5 zsh -
17 10 7 32.6 bumpleak/osh mut
18 12 6 33.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
31 24 7 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 20 14 27.4 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 99 4 3.5 bash -
212 152 60 55.9 bumpleak/osh mut
220 166 54 57.3 _bin/cxx-opt+bumproot/osh mut
239 172 67 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 187 69 48.9 osh-native mut+alloc
263 192 70 50.7 osh-native mut+alloc+free
221 176 45 9.0 osh-native mut+alloc+free+gc
222 179 43 8.9 osh-native mut+alloc+free+gc+exit
260 181 79 49.3 osh-nosouffle mut+alloc
270 198 72 51.3 osh-nosouffle mut+alloc+free
227 179 48 9.4 osh-nosouffle mut+alloc+free+gc
228 175 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 199 80 65.2 _bin/cxx-opt+nopool/osh mut+alloc
256 214 42 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 9 7 4.7 bash -
15 11 5 3.8 zsh -
17 8 9 12.5 bumpleak/osh mut
18 9 9 12.9 _bin/cxx-opt+bumproot/osh mut
18 13 6 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
20 10 10 9.6 osh-native mut+alloc+free+gc
22 13 9 9.4 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 9 13 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 9.8 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