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 18.4 471,276 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 145 27 69 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 157 28 73 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 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,804 180 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 224 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,234 277 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 1.6 dash -
13 12 1 3.3 bash -
90 52 45 3.5 zsh -
15 10 5 28.7 bumpleak/osh mut
16 12 4 30.1 _bin/cxx-opt+bumproot/osh mut
19 17 2 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.3 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
32 27 5 18.4 osh-native mut+alloc+free+gc
34 25 9 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
38 29 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.3 _bin/cxx-opt+nopool/osh mut+alloc
46 33 12 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 21 2 1.7 dash -
42 42 0 3.4 bash -
324 183 164 3.5 zsh -
45 36 9 84.5 bumpleak/osh mut
48 38 10 85.4 _bin/cxx-opt+bumproot/osh mut
59 40 19 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.7 osh-native mut+alloc
90 56 34 75.5 osh-native mut+alloc+free
145 121 24 51.7 osh-native mut+alloc+free+gc
146 120 26 52.3 osh-native mut+alloc+free+gc+exit
92 60 32 74.2 osh-nosouffle mut+alloc
100 76 23 75.9 osh-nosouffle mut+alloc+free
157 126 31 52.1 osh-nosouffle mut+alloc+free+gc
159 133 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 86 38 99.2 _bin/cxx-opt+nopool/osh mut+alloc
207 173 33 73.3 _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 1.6 dash -
4 2 2 3.3 bash -
6 7 0 3.4 zsh -
6 4 2 11.8 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 5 10.7 osh-native mut+alloc+free
9 7 3 8.5 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
11 9 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.7 _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 30 1 3.1 bash -
21 16 5 3.4 zsh -
17 11 6 32.0 bumpleak/osh mut
18 12 6 32.3 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
30 16 14 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
34 23 10 27.4 osh-nosouffle mut+alloc
36 22 14 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 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
107 103 4 3.5 bash -
217 174 43 56.1 bumpleak/osh mut
223 171 52 57.5 _bin/cxx-opt+bumproot/osh mut
241 180 61 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 197 60 48.8 osh-native mut+alloc
320 244 76 50.7 osh-native mut+alloc+free
224 176 49 9.2 osh-native mut+alloc+free+gc
231 190 41 9.2 osh-native mut+alloc+free+gc+exit
267 192 74 49.5 osh-nosouffle mut+alloc
276 207 69 51.3 osh-nosouffle mut+alloc+free
230 179 51 9.6 osh-nosouffle mut+alloc+free+gc
233 194 39 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 65.9 _bin/cxx-opt+nopool/osh mut+alloc
252 202 50 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 3.9 dash -
16 9 8 4.7 bash -
16 6 11 3.9 zsh -
18 10 9 13.0 bumpleak/osh mut
18 8 10 12.9 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 11 10 9.4 osh-native mut+alloc+free+gc
21 13 9 9.4 osh-native mut+alloc+free+gc+exit
20 13 8 12.1 osh-nosouffle mut+alloc
22 12 12 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc
23 14 10 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc