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 3 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.5 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 129 22 57 45.9 51.6 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 139 22 56 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.9 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,233 277 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 1.8 dash -
13 12 1 3.4 bash -
90 54 42 3.5 zsh -
15 14 1 29.4 bumpleak/osh mut
16 14 2 29.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
27 19 8 25.7 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
32 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 17 12 25.8 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.5 osh-nosouffle mut+alloc+free+gc
36 31 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.7 _bin/cxx-opt+nopool/osh mut+alloc
45 32 14 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 1.7 dash -
42 42 0 3.4 bash -
323 174 172 3.7 zsh -
44 33 12 85.0 bumpleak/osh mut
48 39 9 86.0 _bin/cxx-opt+bumproot/osh mut
58 50 8 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 45 36 73.7 osh-native mut+alloc
89 58 31 75.5 osh-native mut+alloc+free
129 101 28 51.6 osh-native mut+alloc+free+gc
133 109 24 52.4 osh-native mut+alloc+free+gc+exit
91 67 24 74.1 osh-nosouffle mut+alloc
99 66 33 75.9 osh-nosouffle mut+alloc+free
139 113 26 52.3 osh-nosouffle mut+alloc+free+gc
144 118 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
123 84 39 98.3 _bin/cxx-opt+nopool/osh mut+alloc
184 147 36 71.7 _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 1.6 dash -
4 4 0 3.1 bash -
6 4 3 3.4 zsh -
6 3 3 11.9 bumpleak/osh mut
6 3 3 12.7 _bin/cxx-opt+bumproot/osh mut
6 4 3 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 4 6 9.0 osh-nosouffle mut+alloc+free+gc
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 8 3 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
9 9 0 1.6 dash -
32 32 0 3.3 bash -
21 16 5 3.4 zsh -
17 12 5 32.4 bumpleak/osh mut
18 13 5 32.4 _bin/cxx-opt+bumproot/osh mut
20 14 6 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 26.9 osh-native mut+alloc
30 17 13 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 20 0 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 24 11 27.6 osh-nosouffle mut+alloc+free
24 21 4 8.9 osh-nosouffle mut+alloc+free+gc
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 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
104 98 6 3.4 bash -
210 155 55 56.3 bumpleak/osh mut
222 175 47 56.7 _bin/cxx-opt+bumproot/osh mut
238 180 58 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 195 62 48.8 osh-native mut+alloc
261 180 81 50.7 osh-native mut+alloc+free
220 176 44 9.2 osh-native mut+alloc+free+gc
222 180 42 9.2 osh-native mut+alloc+free+gc+exit
261 190 71 49.3 osh-nosouffle mut+alloc
268 198 70 51.3 osh-nosouffle mut+alloc+free
227 168 58 9.7 osh-nosouffle mut+alloc+free+gc
227 180 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
275 202 74 64.5 _bin/cxx-opt+nopool/osh mut+alloc
248 198 50 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 4 3.9 dash -
15 8 8 4.8 bash -
15 7 9 3.9 zsh -
17 8 10 12.2 bumpleak/osh mut
18 11 8 13.1 _bin/cxx-opt+bumproot/osh mut
18 12 7 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 11 11.7 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 9 11 9.4 osh-native mut+alloc+free+gc
20 13 8 9.7 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
22 8 14 12.3 osh-nosouffle mut+alloc+free
21 17 5 10.1 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc