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 34 5 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 167 38 88 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 177 33 89 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.9 102,804 180 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 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 236 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 237 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 23 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 1.7 dash -
13 12 1 3.3 bash -
97 57 47 3.4 zsh -
16 11 5 30.2 bumpleak/osh mut
18 14 3 30.4 _bin/cxx-opt+bumproot/osh mut
20 16 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 13 14 25.3 osh-native mut+alloc
30 21 9 25.8 osh-native mut+alloc+free
34 27 7 18.2 osh-native mut+alloc+free+gc
35 28 7 18.4 osh-native mut+alloc+free+gc+exit
29 21 8 25.8 osh-nosouffle mut+alloc
32 22 10 26.3 osh-nosouffle mut+alloc+free
36 26 11 18.6 osh-nosouffle mut+alloc+free+gc
38 33 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
41 24 18 33.3 _bin/cxx-opt+nopool/osh mut+alloc
59 48 11 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 23 0 1.7 dash -
43 42 1 3.4 bash -
353 181 196 3.7 zsh -
46 37 9 86.3 bumpleak/osh mut
49 37 12 86.2 _bin/cxx-opt+bumproot/osh mut
61 46 15 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 55 31 73.7 osh-native mut+alloc
100 69 30 75.6 osh-native mut+alloc+free
167 142 25 51.9 osh-native mut+alloc+free+gc
175 149 26 52.4 osh-native mut+alloc+free+gc+exit
99 57 41 74.2 osh-nosouffle mut+alloc
106 78 28 76.0 osh-nosouffle mut+alloc+free
177 153 24 52.1 osh-nosouffle mut+alloc+free+gc
188 163 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
132 84 48 99.1 _bin/cxx-opt+nopool/osh mut+alloc
229 198 30 73.4 _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 4 0 3.1 bash -
7 4 3 3.4 zsh -
6 4 2 12.9 bumpleak/osh mut
7 4 3 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
9 5 4 10.5 osh-native mut+alloc+free
10 6 3 8.9 osh-native mut+alloc+free+gc
9 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
10 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
12 5 7 11.8 _bin/cxx-opt+nopool/osh mut+alloc
14 11 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
10 9 1 1.4 dash -
31 30 1 3.1 bash -
22 17 4 3.5 zsh -
17 15 2 33.4 bumpleak/osh mut
19 13 6 32.2 _bin/cxx-opt+bumproot/osh mut
23 16 7 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 26.9 osh-native mut+alloc
33 23 9 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 5 8.1 osh-native mut+alloc+free+gc+exit
36 21 14 27.3 osh-nosouffle mut+alloc
37 28 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
26 21 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 29 19 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
108 103 5 3.5 bash -
225 171 54 56.8 bumpleak/osh mut
233 181 52 56.8 _bin/cxx-opt+bumproot/osh mut
248 180 68 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
272 201 70 48.9 osh-native mut+alloc
285 208 77 50.9 osh-native mut+alloc+free
236 185 51 9.2 osh-native mut+alloc+free+gc
232 179 53 9.0 osh-native mut+alloc+free+gc+exit
274 196 78 49.3 osh-nosouffle mut+alloc
282 201 81 51.1 osh-nosouffle mut+alloc+free
237 190 47 9.7 osh-nosouffle mut+alloc+free+gc
237 184 53 9.7 osh-nosouffle mut+alloc+free+gc+exit
296 223 73 64.7 _bin/cxx-opt+nopool/osh mut+alloc
264 210 55 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
10 6 4 4.1 dash -
17 8 10 4.6 bash -
16 6 11 4.1 zsh -
20 6 14 13.1 bumpleak/osh mut
19 11 8 12.8 _bin/cxx-opt+bumproot/osh mut
20 8 13 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 6 15 11.5 osh-native mut+alloc
23 12 12 11.7 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
22 11 12 9.4 osh-native mut+alloc+free+gc+exit
22 10 12 12.2 osh-nosouffle mut+alloc
24 6 19 12.2 osh-nosouffle mut+alloc+free
23 13 11 10.1 osh-nosouffle mut+alloc+free+gc
24 14 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
25 11 14 13.0 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc