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 4 10 12.0 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 24 62 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 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 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 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 9.6 117,235 277 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 52 45 3.5 zsh -
15 11 4 30.2 bumpleak/osh mut
16 11 6 29.1 _bin/cxx-opt+bumproot/osh mut
19 14 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.6 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
32 23 9 18.1 osh-native mut+alloc+free+gc
33 30 3 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 20 10 26.2 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.8 _bin/cxx-opt+nopool/osh mut+alloc
44 30 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 23 0 1.7 dash -
42 40 2 3.4 bash -
324 188 157 3.7 zsh -
45 35 10 86.0 bumpleak/osh mut
49 42 7 85.8 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.7 osh-native mut+alloc
92 60 32 75.6 osh-native mut+alloc+free
136 118 18 51.7 osh-native mut+alloc+free+gc
141 112 29 52.4 osh-native mut+alloc+free+gc+exit
91 54 37 74.1 osh-nosouffle mut+alloc
101 73 28 75.9 osh-nosouffle mut+alloc+free
146 117 29 52.1 osh-nosouffle mut+alloc+free+gc
153 127 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 86 41 99.3 _bin/cxx-opt+nopool/osh mut+alloc
196 148 48 74.4 _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 1.7 dash -
4 2 1 3.3 bash -
6 3 3 3.5 zsh -
6 3 4 12.1 bumpleak/osh mut
6 2 4 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.7 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
8 4 4 11.1 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 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 31 0 3.1 bash -
21 18 3 3.4 zsh -
17 13 4 33.1 bumpleak/osh mut
18 14 4 32.1 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.7 osh-native mut+alloc
31 20 10 27.0 osh-native mut+alloc+free
20 14 7 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
35 21 14 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
103 96 7 3.4 bash -
212 163 49 55.9 bumpleak/osh mut
223 171 53 56.2 _bin/cxx-opt+bumproot/osh mut
240 180 59 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 182 80 48.6 osh-native mut+alloc
265 194 71 50.7 osh-native mut+alloc+free
221 178 43 9.2 osh-native mut+alloc+free+gc
222 180 42 9.0 osh-native mut+alloc+free+gc+exit
263 200 63 49.4 osh-nosouffle mut+alloc
270 205 65 51.3 osh-nosouffle mut+alloc+free
230 172 58 9.6 osh-nosouffle mut+alloc+free+gc
228 185 43 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 200 77 65.7 _bin/cxx-opt+nopool/osh mut+alloc
251 203 48 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 8 9 4.7 bash -
15 8 8 3.9 zsh -
19 8 12 13.8 bumpleak/osh mut
18 8 10 12.8 _bin/cxx-opt+bumproot/osh mut
20 7 14 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
20 7 14 11.5 osh-native mut+alloc+free
21 10 11 9.6 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 8 13 12.2 osh-nosouffle mut+alloc
22 10 12 12.3 osh-nosouffle mut+alloc+free
21 16 6 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 9 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc