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 18.1 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 33 3 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 136 24 63 45.9 51.6 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 138 23 57 45.9 52.1 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,791 180 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 24 0 2 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 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.7 990,260 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 10.0 117,218 277 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 5 2 1.6 dash -
13 12 1 3.3 bash -
89 45 50 3.5 zsh -
16 11 5 28.9 bumpleak/osh mut
17 12 4 29.3 _bin/cxx-opt+bumproot/osh mut
18 11 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
27 20 8 25.8 osh-native mut+alloc+free
32 28 4 18.1 osh-native mut+alloc+free+gc
33 26 6 18.2 osh-native mut+alloc+free+gc+exit
28 11 17 25.8 osh-nosouffle mut+alloc
30 21 8 26.5 osh-nosouffle mut+alloc+free
33 23 10 18.7 osh-nosouffle mut+alloc+free+gc
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 27 11 33.3 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 -
42 41 1 3.3 bash -
325 188 160 3.7 zsh -
44 35 9 85.9 bumpleak/osh mut
48 40 8 86.7 _bin/cxx-opt+bumproot/osh mut
59 50 9 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 31 73.7 osh-native mut+alloc
89 58 31 75.5 osh-native mut+alloc+free
136 108 28 51.6 osh-native mut+alloc+free+gc
154 139 15 52.5 osh-native mut+alloc+free+gc+exit
106 77 29 74.2 osh-nosouffle mut+alloc
99 71 28 75.9 osh-nosouffle mut+alloc+free
138 111 27 52.1 osh-nosouffle mut+alloc+free+gc
145 120 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 77 48 98.6 _bin/cxx-opt+nopool/osh mut+alloc
203 169 34 71.5 _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 1.7 dash -
4 3 1 3.1 bash -
6 3 4 3.4 zsh -
6 3 4 12.3 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
6 5 1 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
10 9 1 8.8 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.6 _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 3.3 bash -
21 18 3 3.4 zsh -
17 13 3 31.7 bumpleak/osh mut
19 15 3 32.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 25 8 27.3 osh-nosouffle mut+alloc
35 25 10 27.7 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 32 15 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
103 100 3 3.5 bash -
212 159 53 56.7 bumpleak/osh mut
222 174 48 57.9 _bin/cxx-opt+bumproot/osh mut
239 177 62 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 185 69 48.8 osh-native mut+alloc
261 201 60 50.7 osh-native mut+alloc+free
221 193 28 9.2 osh-native mut+alloc+free+gc
223 174 49 9.0 osh-native mut+alloc+free+gc+exit
263 197 66 49.4 osh-nosouffle mut+alloc
269 197 72 51.1 osh-nosouffle mut+alloc+free
227 192 35 9.7 osh-nosouffle mut+alloc+free+gc
227 181 46 9.4 osh-nosouffle mut+alloc+free+gc+exit
277 200 76 66.2 _bin/cxx-opt+nopool/osh mut+alloc
252 200 52 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 5 4 3.9 dash -
16 8 8 5.0 bash -
15 7 9 3.9 zsh -
18 12 7 12.8 bumpleak/osh mut
18 9 10 12.5 _bin/cxx-opt+bumproot/osh mut
19 8 12 14.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.7 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
21 9 13 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 10 12 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
21 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 16 7 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc