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 32 4 10 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 138 27 65 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 144 25 61 45.9 52.4 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 1 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 222 0 3 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,230 277 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 -
89 53 43 3.4 zsh -
16 12 4 30.0 bumpleak/osh mut
16 14 2 30.3 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 14 11 25.6 osh-native mut+alloc
27 16 12 25.8 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
29 17 11 25.8 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.8 _bin/cxx-opt+nopool/osh mut+alloc
44 31 13 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 3.4 bash -
330 181 172 3.7 zsh -
46 39 7 85.1 bumpleak/osh mut
48 41 7 84.9 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 52 30 73.7 osh-native mut+alloc
92 58 34 75.6 osh-native mut+alloc+free
138 118 20 51.7 osh-native mut+alloc+free+gc
138 108 30 52.6 osh-native mut+alloc+free+gc+exit
92 58 34 74.1 osh-nosouffle mut+alloc
100 62 38 75.8 osh-nosouffle mut+alloc+free
144 128 15 52.4 osh-nosouffle mut+alloc+free+gc
148 122 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 82 42 99.3 _bin/cxx-opt+nopool/osh mut+alloc
196 161 35 70.9 _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 1.7 dash -
4 2 1 3.1 bash -
7 3 3 3.4 zsh -
6 4 2 11.4 bumpleak/osh mut
6 4 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 9.0 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.5 _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 8 1 1.4 dash -
30 29 1 3.1 bash -
21 16 5 3.3 zsh -
16 11 6 32.2 bumpleak/osh mut
18 15 3 32.2 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
30 17 14 27.3 osh-native mut+alloc+free
20 15 4 8.3 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 27 8 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 3 8.9 osh-nosouffle mut+alloc+free+gc+exit
45 30 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 27 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 -
214 163 51 56.9 bumpleak/osh mut
219 169 51 57.3 _bin/cxx-opt+bumproot/osh mut
240 171 69 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 179 77 48.8 osh-native mut+alloc
264 185 79 50.7 osh-native mut+alloc+free
222 168 54 9.0 osh-native mut+alloc+free+gc
220 171 49 9.2 osh-native mut+alloc+free+gc+exit
260 191 69 49.4 osh-nosouffle mut+alloc
268 198 70 51.1 osh-nosouffle mut+alloc+free
226 172 54 9.6 osh-nosouffle mut+alloc+free+gc
226 178 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 198 79 64.3 _bin/cxx-opt+nopool/osh mut+alloc
250 209 41 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 3 7 3.9 dash -
16 6 10 4.8 bash -
15 8 8 3.9 zsh -
17 6 11 14.2 bumpleak/osh mut
19 9 11 13.8 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.7 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 9 12 9.4 osh-native mut+alloc+free+gc
21 13 8 9.7 osh-native mut+alloc+free+gc+exit
21 8 13 11.9 osh-nosouffle mut+alloc
22 8 14 12.2 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 14 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.3 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc