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 4 11 12.0 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 141 27 65 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 26 61 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.6 990,272 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 1.6 dash -
13 12 1 3.3 bash -
90 52 45 3.5 zsh -
16 11 5 30.4 bumpleak/osh mut
17 14 3 29.4 _bin/cxx-opt+bumproot/osh mut
20 13 7 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 12 25.4 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
33 22 11 18.4 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.1 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 20 21 33.7 _bin/cxx-opt+nopool/osh mut+alloc
46 32 14 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 -
329 190 162 3.9 zsh -
46 38 8 85.4 bumpleak/osh mut
50 38 12 84.6 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 50 36 73.7 osh-native mut+alloc
97 60 37 75.6 osh-native mut+alloc+free
141 121 20 51.7 osh-native mut+alloc+free+gc
160 133 27 52.4 osh-native mut+alloc+free+gc+exit
97 61 36 74.3 osh-nosouffle mut+alloc
102 68 34 75.8 osh-nosouffle mut+alloc+free
146 119 27 52.1 osh-nosouffle mut+alloc+free+gc
156 133 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
131 84 48 99.3 _bin/cxx-opt+nopool/osh mut+alloc
204 163 41 72.1 _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 3 1 3.1 bash -
7 2 4 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
7 6 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 0 1.6 dash -
31 30 1 3.3 bash -
21 20 1 3.4 zsh -
17 11 6 32.6 bumpleak/osh mut
18 13 5 33.0 _bin/cxx-opt+bumproot/osh mut
21 19 2 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.9 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 26 7 27.3 osh-nosouffle mut+alloc
35 29 6 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
104 99 5 3.4 bash -
216 170 46 57.8 bumpleak/osh mut
221 172 49 58.1 _bin/cxx-opt+bumproot/osh mut
241 180 61 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 186 69 48.9 osh-native mut+alloc
265 198 67 50.7 osh-native mut+alloc+free
221 171 50 9.0 osh-native mut+alloc+free+gc
220 178 43 9.0 osh-native mut+alloc+free+gc+exit
266 194 72 49.2 osh-nosouffle mut+alloc
270 197 73 51.4 osh-nosouffle mut+alloc+free
225 175 50 9.6 osh-nosouffle mut+alloc+free+gc
225 166 59 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 208 74 64.4 _bin/cxx-opt+nopool/osh mut+alloc
251 201 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 3 6 3.9 dash -
16 8 8 4.7 bash -
15 6 10 3.9 zsh -
17 12 5 13.9 bumpleak/osh mut
20 8 12 13.8 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
20 11 10 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
20 12 8 12.1 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.1 osh-nosouffle mut+alloc+free+gc
21 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc