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 9 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 148 29 71 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 158 30 72 45.9 52.3 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 2 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 230 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 232 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 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
6 7 0 1.6 dash -
13 12 1 3.1 bash -
92 55 43 3.4 zsh -
15 13 2 29.3 bumpleak/osh mut
16 11 5 29.7 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 14 15 26.0 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 35 11 22.8 _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 21 2 1.7 dash -
42 41 1 3.4 bash -
333 180 175 3.8 zsh -
45 36 8 86.4 bumpleak/osh mut
48 41 7 86.1 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 49 37 73.7 osh-native mut+alloc
95 66 29 75.4 osh-native mut+alloc+free
148 124 24 51.7 osh-native mut+alloc+free+gc
155 124 31 52.4 osh-native mut+alloc+free+gc+exit
93 63 30 74.1 osh-nosouffle mut+alloc
103 80 23 76.0 osh-nosouffle mut+alloc+free
158 141 17 52.3 osh-nosouffle mut+alloc+free+gc
170 147 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 98.9 _bin/cxx-opt+nopool/osh mut+alloc
212 175 37 71.9 _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 1 1 1.8 dash -
4 4 0 3.3 bash -
7 1 6 3.4 zsh -
6 2 4 13.0 bumpleak/osh mut
7 4 2 13.3 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 6 4 8.8 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
11 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 8 3 11.7 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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
10 10 0 1.6 dash -
31 31 0 3.3 bash -
21 18 3 3.3 zsh -
17 14 3 33.1 bumpleak/osh mut
18 13 5 32.3 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.7 osh-native mut+alloc
31 20 11 27.0 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
20 15 5 8.4 osh-native mut+alloc+free+gc+exit
34 28 6 27.3 osh-nosouffle mut+alloc
36 26 10 27.4 osh-nosouffle mut+alloc+free
26 22 4 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 -
214 152 62 56.0 bumpleak/osh mut
226 159 67 57.4 _bin/cxx-opt+bumproot/osh mut
242 190 52 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 191 69 48.8 osh-native mut+alloc
266 200 66 50.7 osh-native mut+alloc+free
230 176 54 9.0 osh-native mut+alloc+free+gc
221 173 48 9.2 osh-native mut+alloc+free+gc+exit
267 196 70 49.4 osh-nosouffle mut+alloc
276 205 70 51.2 osh-nosouffle mut+alloc+free
232 169 63 9.6 osh-nosouffle mut+alloc+free+gc
230 173 57 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 209 72 65.3 _bin/cxx-opt+nopool/osh mut+alloc
255 213 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 5 5 3.9 dash -
16 8 9 4.7 bash -
16 7 9 3.8 zsh -
19 11 8 13.2 bumpleak/osh mut
18 9 10 12.9 _bin/cxx-opt+bumproot/osh mut
19 8 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.5 osh-native mut+alloc
22 9 14 11.5 osh-native mut+alloc+free
21 9 13 9.4 osh-native mut+alloc+free+gc
22 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 8 14 12.1 osh-nosouffle mut+alloc
23 12 11 12.2 osh-nosouffle mut+alloc+free
23 12 11 10.0 osh-nosouffle mut+alloc+free+gc
23 10 14 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 9 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 14 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc