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 18.4 471,269 1,282 6 413,154 5 206,577 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,269 1,282 6 413,162 5 206,581 osh-nosouffle
parse.configure-coreutils 159 29 78 45.9 51.9 1,638,008 4,764 12 1,056,652 6 787,847 osh-native
parse.configure-coreutils 160 28 74 45.9 52.1 1,638,007 4,764 12 1,056,660 6 787,851 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,797 180 3 86,640 1 43,320 osh-native
parse.abuild 11 1 2 2.6 9.2 102,797 180 3 86,648 1 43,324 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,121 22,608 12 50,000 0 2,987 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,121 22,608 12 50,000 0 2,992 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,267 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,266 15,258 21 50,000 0 3,971 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,228 277 3 84,002 1 42,001 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,227 277 3 84,010 1 42,005 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
13 12 1 3.3 bash -
90 51 46 3.5 zsh -
15 13 3 29.6 bumpleak/osh mut
17 12 5 30.8 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.7 osh-native mut+alloc
28 16 12 25.7 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
34 26 8 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
31 20 11 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.3 _bin/cxx-opt+nopool/osh mut+alloc
50 41 9 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 -
44 40 4 3.4 bash -
331 189 166 3.8 zsh -
46 36 10 85.6 bumpleak/osh mut
53 41 12 85.5 _bin/cxx-opt+bumproot/osh mut
62 43 19 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.6 osh-native mut+alloc
95 67 28 75.7 osh-native mut+alloc+free
159 131 28 51.9 osh-native mut+alloc+free+gc
159 135 24 52.4 osh-native mut+alloc+free+gc+exit
105 59 46 74.2 osh-nosouffle mut+alloc
103 61 42 75.9 osh-nosouffle mut+alloc+free
160 135 25 52.1 osh-nosouffle mut+alloc+free+gc
167 137 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 77 50 99.0 _bin/cxx-opt+nopool/osh mut+alloc
216 181 35 72.3 _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 1 1 1.8 dash -
4 4 0 3.1 bash -
6 4 3 3.4 zsh -
6 5 1 12.9 bumpleak/osh mut
6 3 3 13.1 _bin/cxx-opt+bumproot/osh mut
8 4 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 4 4 10.6 osh-native mut+alloc+free
10 8 2 8.7 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 3 11.1 osh-nosouffle mut+alloc+free
11 8 3 9.2 osh-nosouffle mut+alloc+free+gc
11 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 4 8 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 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 9 1 1.7 dash -
31 30 1 3.1 bash -
21 18 3 3.4 zsh -
17 12 5 32.8 bumpleak/osh mut
19 13 6 33.0 _bin/cxx-opt+bumproot/osh mut
22 16 6 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 11 26.9 osh-native mut+alloc
32 20 12 27.0 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 28 5 27.3 osh-nosouffle mut+alloc
36 25 11 27.6 osh-nosouffle mut+alloc+free
26 23 2 8.7 osh-nosouffle mut+alloc+free+gc
26 26 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 33 14 37.0 _bin/cxx-opt+nopool/osh mut+alloc
31 27 4 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
103 100 3 3.5 bash -
212 152 60 57.6 bumpleak/osh mut
224 164 61 56.2 _bin/cxx-opt+bumproot/osh mut
240 178 62 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 178 80 48.8 osh-native mut+alloc
268 182 86 50.7 osh-native mut+alloc+free
223 170 53 9.0 osh-native mut+alloc+free+gc
223 180 43 9.2 osh-native mut+alloc+free+gc+exit
264 189 75 49.2 osh-nosouffle mut+alloc
274 208 65 51.1 osh-nosouffle mut+alloc+free
229 183 45 9.6 osh-nosouffle mut+alloc+free+gc
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 208 74 64.0 _bin/cxx-opt+nopool/osh mut+alloc
251 184 67 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 6 3 4.1 dash -
16 8 9 5.0 bash -
16 9 7 3.8 zsh -
18 6 12 12.8 bumpleak/osh mut
18 7 12 14.2 _bin/cxx-opt+bumproot/osh mut
19 7 12 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.7 osh-native mut+alloc
21 8 14 11.8 osh-native mut+alloc+free
21 10 12 9.6 osh-native mut+alloc+free+gc
22 15 8 9.6 osh-native mut+alloc+free+gc+exit
21 13 9 12.2 osh-nosouffle mut+alloc
23 8 16 12.1 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
23 13 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 13 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 18 7 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc