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 31 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 23 58 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 25 59 45.9 52.4 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 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 221 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 3 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 9.6 117,235 277 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 1.7 dash -
13 13 0 3.4 bash -
89 53 43 3.5 zsh -
15 12 3 30.2 bumpleak/osh mut
17 12 5 29.4 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.6 osh-native mut+alloc
27 13 14 25.8 osh-native mut+alloc+free
31 22 9 18.2 osh-native mut+alloc+free+gc
32 29 3 18.2 osh-native mut+alloc+free+gc+exit
28 20 9 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 38 6 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 -
42 42 0 3.5 bash -
320 183 159 3.5 zsh -
46 34 12 85.5 bumpleak/osh mut
49 37 12 85.0 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 32 73.8 osh-native mut+alloc
91 56 35 75.5 osh-native mut+alloc+free
133 120 13 51.6 osh-native mut+alloc+free+gc
135 112 23 52.4 osh-native mut+alloc+free+gc+exit
91 66 25 74.2 osh-nosouffle mut+alloc
100 68 32 76.0 osh-nosouffle mut+alloc+free
141 119 22 52.4 osh-nosouffle mut+alloc+free+gc
144 117 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 83 44 98.5 _bin/cxx-opt+nopool/osh mut+alloc
193 166 27 73.0 _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 3 1 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 13.2 bumpleak/osh mut
6 4 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 6 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.4 _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 2 1.6 dash -
31 30 1 3.1 bash -
21 14 8 3.4 zsh -
17 10 7 32.7 bumpleak/osh mut
18 14 4 33.4 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
30 18 12 27.3 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.4 osh-native mut+alloc+free+gc+exit
33 24 9 27.1 osh-nosouffle mut+alloc
35 29 6 27.7 osh-nosouffle mut+alloc+free
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
44 27 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 25 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
105 99 6 3.5 bash -
212 170 42 56.2 bumpleak/osh mut
222 165 57 56.7 _bin/cxx-opt+bumproot/osh mut
242 180 61 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
265 200 63 48.8 osh-native mut+alloc
264 198 66 50.9 osh-native mut+alloc+free
221 164 57 9.2 osh-native mut+alloc+free+gc
223 179 44 9.2 osh-native mut+alloc+free+gc+exit
260 192 68 49.3 osh-nosouffle mut+alloc
268 187 80 51.4 osh-nosouffle mut+alloc+free
229 183 46 9.6 osh-nosouffle mut+alloc+free+gc
226 179 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 198 78 64.9 _bin/cxx-opt+nopool/osh mut+alloc
249 197 52 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 5 4 3.8 dash -
16 10 7 4.8 bash -
15 6 10 3.8 zsh -
17 8 10 14.4 bumpleak/osh mut
18 10 9 12.8 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 14 7 11.7 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 9 13 12.3 osh-nosouffle mut+alloc+free
21 9 12 10.0 osh-nosouffle mut+alloc+free+gc
21 16 6 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 11 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc