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 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 143 26 68 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 144 26 63 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 8.8 102,804 180 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 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 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 228 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 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,258 277 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 13 0 3.3 bash -
90 58 39 3.5 zsh -
15 12 3 30.0 bumpleak/osh mut
17 12 5 28.9 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 15 10 25.6 osh-native mut+alloc
27 21 6 25.7 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
34 30 4 18.4 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
36 28 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.6 _bin/cxx-opt+nopool/osh mut+alloc
45 37 8 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 22 1 1.7 dash -
43 41 2 3.4 bash -
326 194 154 3.8 zsh -
45 36 9 85.0 bumpleak/osh mut
49 40 9 85.9 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 52 29 73.7 osh-native mut+alloc
90 59 31 75.5 osh-native mut+alloc+free
143 121 22 51.7 osh-native mut+alloc+free+gc
142 115 27 52.4 osh-native mut+alloc+free+gc+exit
93 63 29 74.1 osh-nosouffle mut+alloc
102 72 29 76.0 osh-nosouffle mut+alloc+free
144 118 26 52.1 osh-nosouffle mut+alloc+free+gc
149 125 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 77 53 99.0 _bin/cxx-opt+nopool/osh mut+alloc
198 164 34 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 1 1 1.6 dash -
4 3 1 3.3 bash -
7 2 4 3.5 zsh -
7 4 3 12.2 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
10 8 2 8.8 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _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
10 10 0 1.4 dash -
31 31 0 3.3 bash -
22 16 5 3.4 zsh -
16 12 4 31.6 bumpleak/osh mut
18 14 4 33.8 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 10 26.7 osh-native mut+alloc
31 16 15 27.0 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 25 10 27.4 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 28 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 101 4 3.4 bash -
211 162 49 56.0 bumpleak/osh mut
222 170 52 56.9 _bin/cxx-opt+bumproot/osh mut
241 185 56 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 199 57 48.8 osh-native mut+alloc
268 185 83 50.7 osh-native mut+alloc+free
222 173 49 9.2 osh-native mut+alloc+free+gc
223 176 47 9.2 osh-native mut+alloc+free+gc+exit
264 194 71 49.3 osh-nosouffle mut+alloc
272 205 68 51.3 osh-nosouffle mut+alloc+free
228 184 44 9.6 osh-nosouffle mut+alloc+free+gc
229 181 48 9.8 osh-nosouffle mut+alloc+free+gc+exit
279 186 93 66.2 _bin/cxx-opt+nopool/osh mut+alloc
251 202 48 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 4.1 dash -
16 9 7 4.7 bash -
16 7 10 4.1 zsh -
18 8 11 13.9 bumpleak/osh mut
18 6 13 12.8 _bin/cxx-opt+bumproot/osh mut
20 9 12 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 11.7 osh-native mut+alloc
21 9 12 11.8 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
21 12 9 12.2 osh-nosouffle mut+alloc
22 13 10 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 11 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.0 _bin/cxx-opt+nopool/osh mut+alloc
23 13 12 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc