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 9 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 4 10 12.0 18.9 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 144 27 70 45.9 51.8 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 152 26 69 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 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 11 2 3.4 bash -
90 42 55 3.5 zsh -
15 13 2 29.9 bumpleak/osh mut
16 11 5 28.6 _bin/cxx-opt+bumproot/osh mut
19 17 2 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 15 13 25.7 osh-native mut+alloc+free
32 22 10 18.4 osh-native mut+alloc+free+gc
33 24 8 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
31 21 10 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.9 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 23 16 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 34 12 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 3.4 bash -
326 168 181 3.7 zsh -
44 31 13 86.0 bumpleak/osh mut
49 43 6 85.5 _bin/cxx-opt+bumproot/osh mut
59 48 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 45 36 73.7 osh-native mut+alloc
93 56 37 75.6 osh-native mut+alloc+free
144 123 21 51.8 osh-native mut+alloc+free+gc
148 131 16 52.4 osh-native mut+alloc+free+gc+exit
93 54 38 74.2 osh-nosouffle mut+alloc
99 62 37 76.0 osh-nosouffle mut+alloc+free
152 127 25 52.3 osh-nosouffle mut+alloc+free+gc
158 129 29 53.0 osh-nosouffle mut+alloc+free+gc+exit
124 83 41 98.4 _bin/cxx-opt+nopool/osh mut+alloc
210 184 26 73.7 _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 3.3 bash -
7 6 1 3.4 zsh -
6 4 3 12.1 bumpleak/osh mut
7 4 3 11.9 _bin/cxx-opt+bumproot/osh mut
8 2 5 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 8 1 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 6 6 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 1.6 dash -
31 30 1 3.3 bash -
21 15 6 3.3 zsh -
17 13 4 32.6 bumpleak/osh mut
19 14 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 19 12 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.4 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
24 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 27 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
104 96 8 3.4 bash -
211 157 54 55.7 bumpleak/osh mut
221 175 45 56.5 _bin/cxx-opt+bumproot/osh mut
241 176 65 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 187 70 48.7 osh-native mut+alloc
264 196 68 50.9 osh-native mut+alloc+free
221 162 58 9.0 osh-native mut+alloc+free+gc
221 173 48 9.0 osh-native mut+alloc+free+gc+exit
263 197 66 49.2 osh-nosouffle mut+alloc
270 196 74 51.1 osh-nosouffle mut+alloc+free
227 179 48 9.7 osh-nosouffle mut+alloc+free+gc
227 189 38 9.6 osh-nosouffle mut+alloc+free+gc+exit
281 211 69 65.9 _bin/cxx-opt+nopool/osh mut+alloc
252 207 45 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 5 5 3.9 dash -
16 9 7 4.7 bash -
16 6 10 4.1 zsh -
18 10 9 12.8 bumpleak/osh mut
18 8 9 14.0 _bin/cxx-opt+bumproot/osh mut
18 6 13 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
21 13 8 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 10 12 9.4 osh-native mut+alloc+free+gc+exit
21 10 12 12.2 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
21 9 13 10.1 osh-nosouffle mut+alloc+free+gc
22 10 13 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc