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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 6 13 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 146 26 70 45.9 52.0 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 160 28 76 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 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 1 2 2.6 9.3 102,804 180 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 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 231 0 5 11.6 9.0 990,274 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 22 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,234 277 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 6 1 1.8 dash -
13 13 0 3.3 bash -
92 54 47 3.5 zsh -
16 13 3 29.3 bumpleak/osh mut
17 12 5 28.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 20 6 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
37 28 9 18.2 osh-native mut+alloc+free+gc+exit
29 15 14 25.8 osh-nosouffle mut+alloc
31 17 14 26.3 osh-nosouffle mut+alloc+free
38 32 6 18.7 osh-nosouffle mut+alloc+free+gc
37 33 4 18.6 osh-nosouffle mut+alloc+free+gc+exit
41 24 17 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 38 9 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 -
43 41 2 3.3 bash -
336 205 156 3.7 zsh -
45 37 8 85.1 bumpleak/osh mut
50 41 9 84.7 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 53 33 73.8 osh-native mut+alloc
95 60 35 75.3 osh-native mut+alloc+free
146 129 17 52.0 osh-native mut+alloc+free+gc
155 136 19 52.3 osh-native mut+alloc+free+gc+exit
95 62 32 74.2 osh-nosouffle mut+alloc
105 72 33 75.9 osh-nosouffle mut+alloc+free
160 136 24 52.1 osh-nosouffle mut+alloc+free+gc
167 145 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 81 46 99.4 _bin/cxx-opt+nopool/osh mut+alloc
225 187 38 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 2 0 1.8 dash -
4 2 1 3.1 bash -
7 4 3 3.4 zsh -
7 5 2 12.0 bumpleak/osh mut
6 5 1 12.8 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.6 osh-native mut+alloc
9 3 6 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 10.9 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
11 7 4 9.3 osh-nosouffle mut+alloc+free+gc
11 10 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
13 8 4 11.7 _bin/cxx-opt+nopool/osh mut+alloc
13 12 1 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 1.4 dash -
31 30 1 3.1 bash -
21 14 8 3.4 zsh -
17 11 6 32.7 bumpleak/osh mut
19 13 6 32.3 _bin/cxx-opt+bumproot/osh mut
21 12 10 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
31 21 10 27.2 osh-native mut+alloc+free
21 19 2 8.3 osh-native mut+alloc+free+gc
24 19 5 8.3 osh-native mut+alloc+free+gc+exit
35 28 7 27.3 osh-nosouffle mut+alloc
37 26 11 27.7 osh-nosouffle mut+alloc+free
26 24 2 8.8 osh-nosouffle mut+alloc+free+gc
26 21 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 27 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
106 98 8 3.4 bash -
221 162 59 56.6 bumpleak/osh mut
228 167 61 56.8 _bin/cxx-opt+bumproot/osh mut
245 177 68 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 190 72 48.8 osh-native mut+alloc
274 187 85 50.7 osh-native mut+alloc+free
231 174 56 9.0 osh-native mut+alloc+free+gc
233 193 40 9.0 osh-native mut+alloc+free+gc+exit
271 209 62 49.1 osh-nosouffle mut+alloc
275 202 73 51.3 osh-nosouffle mut+alloc+free
230 185 45 9.6 osh-nosouffle mut+alloc+free+gc
231 178 53 9.4 osh-nosouffle mut+alloc+free+gc+exit
287 216 71 64.0 _bin/cxx-opt+nopool/osh mut+alloc
268 219 49 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 4 6 4.1 dash -
16 9 7 4.6 bash -
16 6 10 3.9 zsh -
18 5 13 14.0 bumpleak/osh mut
18 11 8 14.5 _bin/cxx-opt+bumproot/osh mut
21 9 12 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
22 12 10 11.7 osh-native mut+alloc+free
22 13 10 9.4 osh-native mut+alloc+free+gc
22 12 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
23 12 12 12.3 osh-nosouffle mut+alloc+free
22 8 15 9.8 osh-nosouffle mut+alloc+free+gc
23 13 11 10.0 osh-nosouffle mut+alloc+free+gc+exit
24 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc