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 18.2 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 139 24 65 45.9 51.6 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 145 24 62 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 2 2.8 8.1 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 8.9 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.8 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 9.8 117,218 277 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 50 47 3.5 zsh -
15 13 2 29.7 bumpleak/osh mut
16 12 4 29.0 _bin/cxx-opt+bumproot/osh mut
19 12 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
27 17 10 25.7 osh-native mut+alloc+free
32 28 4 18.2 osh-native mut+alloc+free+gc
35 28 7 18.2 osh-native mut+alloc+free+gc+exit
29 21 7 25.8 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 22 17 33.1 _bin/cxx-opt+nopool/osh mut+alloc
45 34 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 23 0 1.7 dash -
42 42 0 3.4 bash -
321 176 166 3.8 zsh -
45 33 12 85.2 bumpleak/osh mut
48 41 7 84.7 _bin/cxx-opt+bumproot/osh mut
58 46 12 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.8 osh-native mut+alloc
92 55 37 75.6 osh-native mut+alloc+free
139 114 24 51.6 osh-native mut+alloc+free+gc
147 122 25 52.3 osh-native mut+alloc+free+gc+exit
93 56 37 74.2 osh-nosouffle mut+alloc
101 64 37 75.9 osh-nosouffle mut+alloc+free
145 126 19 52.3 osh-nosouffle mut+alloc+free+gc
153 121 32 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 90 37 98.9 _bin/cxx-opt+nopool/osh mut+alloc
201 169 32 72.7 _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 1 1 1.7 dash -
4 2 1 3.1 bash -
6 4 2 3.4 zsh -
6 4 2 12.0 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 4 10.5 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 2 7 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 -
30 29 1 3.1 bash -
21 15 6 3.5 zsh -
16 11 6 31.7 bumpleak/osh mut
18 15 3 33.1 _bin/cxx-opt+bumproot/osh mut
20 19 1 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 21 7 26.9 osh-native mut+alloc
31 18 13 27.0 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
36 22 13 27.4 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 19 6 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
104 102 2 3.4 bash -
214 168 46 56.8 bumpleak/osh mut
222 172 50 58.1 _bin/cxx-opt+bumproot/osh mut
239 177 62 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 189 69 48.8 osh-native mut+alloc
269 194 75 50.7 osh-native mut+alloc+free
223 179 44 8.9 osh-native mut+alloc+free+gc
222 175 47 9.2 osh-native mut+alloc+free+gc+exit
264 194 70 49.3 osh-nosouffle mut+alloc
271 199 72 51.3 osh-nosouffle mut+alloc+free
227 172 55 9.8 osh-nosouffle mut+alloc+free+gc
230 182 47 9.4 osh-nosouffle mut+alloc+free+gc+exit
277 182 95 65.9 _bin/cxx-opt+nopool/osh mut+alloc
252 214 38 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 7 2 3.9 dash -
16 9 7 4.8 bash -
15 6 10 3.9 zsh -
18 6 12 12.9 bumpleak/osh mut
18 9 9 14.1 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 12 9 11.7 osh-native mut+alloc+free
21 9 12 9.6 osh-native mut+alloc+free+gc
21 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 11.9 osh-nosouffle mut+alloc
23 11 12 12.2 osh-nosouffle mut+alloc+free
21 11 10 9.8 osh-nosouffle mut+alloc+free+gc
22 16 7 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc