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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 134 24 60 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 25 63 45.9 52.1 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 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,273 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 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 7 0 1.7 dash -
13 12 1 3.4 bash -
89 49 46 3.5 zsh -
15 12 3 29.9 bumpleak/osh mut
16 13 3 28.4 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.4 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
32 26 6 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 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 23 0 1.6 dash -
42 42 0 3.4 bash -
327 196 153 3.8 zsh -
45 35 10 84.8 bumpleak/osh mut
49 39 10 86.7 _bin/cxx-opt+bumproot/osh mut
58 43 15 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.8 osh-native mut+alloc
92 57 35 75.6 osh-native mut+alloc+free
134 110 24 51.9 osh-native mut+alloc+free+gc
141 114 27 52.5 osh-native mut+alloc+free+gc+exit
93 57 37 74.2 osh-nosouffle mut+alloc
101 67 34 76.2 osh-nosouffle mut+alloc+free
147 126 21 52.1 osh-nosouffle mut+alloc+free+gc
151 129 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 70 57 98.7 _bin/cxx-opt+nopool/osh mut+alloc
197 162 35 72.4 _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 2 0 1.6 dash -
4 2 1 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 12.7 bumpleak/osh mut
6 2 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.7 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
8 5 3 10.9 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _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
10 9 1 1.4 dash -
31 31 0 3.4 bash -
23 17 6 3.4 zsh -
17 14 3 33.2 bumpleak/osh mut
18 12 6 32.2 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.0 osh-native mut+alloc
30 19 12 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
34 20 14 27.3 osh-nosouffle mut+alloc
36 28 8 27.5 osh-nosouffle mut+alloc+free
26 22 4 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 32 13 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 25 5 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 99 4 3.4 bash -
212 164 48 55.9 bumpleak/osh mut
221 173 48 57.2 _bin/cxx-opt+bumproot/osh mut
238 184 54 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 188 66 48.8 osh-native mut+alloc
265 189 75 50.7 osh-native mut+alloc+free
220 172 48 9.2 osh-native mut+alloc+free+gc
223 170 53 9.0 osh-native mut+alloc+free+gc+exit
261 197 64 49.2 osh-nosouffle mut+alloc
272 203 69 51.3 osh-nosouffle mut+alloc+free
227 178 50 9.7 osh-nosouffle mut+alloc+free+gc
226 181 45 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 65.6 _bin/cxx-opt+nopool/osh mut+alloc
251 209 42 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 4 3.9 dash -
16 6 10 4.8 bash -
15 10 6 3.9 zsh -
17 8 10 12.4 bumpleak/osh mut
17 6 12 12.6 _bin/cxx-opt+bumproot/osh mut
19 6 14 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 14 7 9.4 osh-native mut+alloc+free+gc
21 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 7 14 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc