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 35 5 12 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 37 5 12 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 146 28 72 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 168 30 82 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 10 1 2 2.6 9.0 102,804 180 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 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 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 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,258 277 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 1.7 dash -
13 12 1 3.3 bash -
91 55 43 3.5 zsh -
16 11 5 30.2 bumpleak/osh mut
17 11 5 30.1 _bin/cxx-opt+bumproot/osh mut
20 14 6 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.3 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
35 27 8 18.4 osh-native mut+alloc+free+gc
36 27 9 18.2 osh-native mut+alloc+free+gc+exit
29 13 16 26.0 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
37 31 6 18.6 osh-nosouffle mut+alloc+free+gc
39 31 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 20 20 32.4 _bin/cxx-opt+nopool/osh mut+alloc
50 40 10 22.7 _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 22 1 1.6 dash -
42 41 1 3.3 bash -
332 187 168 3.7 zsh -
47 41 6 85.9 bumpleak/osh mut
48 43 5 84.8 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 51 31 73.7 osh-native mut+alloc
92 68 23 75.5 osh-native mut+alloc+free
146 128 17 51.7 osh-native mut+alloc+free+gc
150 130 20 52.4 osh-native mut+alloc+free+gc+exit
93 65 28 74.1 osh-nosouffle mut+alloc
102 68 34 76.0 osh-nosouffle mut+alloc+free
168 146 22 52.1 osh-nosouffle mut+alloc+free+gc
166 137 29 53.0 osh-nosouffle mut+alloc+free+gc+exit
125 79 46 97.5 _bin/cxx-opt+nopool/osh mut+alloc
223 200 23 73.8 _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 1.7 dash -
4 3 1 3.3 bash -
7 6 1 3.4 zsh -
6 3 3 12.7 bumpleak/osh mut
6 3 3 11.8 _bin/cxx-opt+bumproot/osh mut
8 6 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
9 3 6 10.7 osh-native mut+alloc+free
9 8 2 8.7 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
10 2 8 11.3 osh-nosouffle mut+alloc+free
10 8 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 8 1 1.6 dash -
31 31 0 3.3 bash -
22 16 5 3.4 zsh -
17 12 5 32.7 bumpleak/osh mut
18 14 4 33.8 _bin/cxx-opt+bumproot/osh mut
22 21 1 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 11 17 27.0 osh-native mut+alloc
30 19 12 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 28 5 27.4 osh-nosouffle mut+alloc
36 22 14 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 30 17 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 100 4 3.3 bash -
212 165 47 57.3 bumpleak/osh mut
221 168 53 57.1 _bin/cxx-opt+bumproot/osh mut
236 182 54 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 184 78 48.8 osh-native mut+alloc
265 198 67 50.9 osh-native mut+alloc+free
222 173 49 9.2 osh-native mut+alloc+free+gc
221 176 45 9.2 osh-native mut+alloc+free+gc+exit
259 201 58 49.4 osh-nosouffle mut+alloc
268 201 66 51.4 osh-nosouffle mut+alloc+free
227 188 40 9.4 osh-nosouffle mut+alloc+free+gc
227 183 44 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 196 82 66.0 _bin/cxx-opt+nopool/osh mut+alloc
249 205 44 10.7 _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 3.9 dash -
16 7 10 4.8 bash -
16 8 8 3.9 zsh -
19 11 9 13.7 bumpleak/osh mut
18 9 9 12.7 _bin/cxx-opt+bumproot/osh mut
20 6 15 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 16 6 9.4 osh-native mut+alloc+free+gc
22 13 9 9.7 osh-native mut+alloc+free+gc+exit
21 10 12 12.2 osh-nosouffle mut+alloc
23 10 13 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 15 8 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 17 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc