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 31 3 9 12.0 18.5 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 4 11 12.0 18.9 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 133 24 60 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 150 25 66 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 8.4 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 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 22 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
6 6 0 1.7 dash -
13 13 0 3.4 bash -
90 54 42 3.5 zsh -
15 12 4 30.4 bumpleak/osh mut
16 11 5 30.0 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 11 14 25.6 osh-native mut+alloc
27 18 9 25.7 osh-native mut+alloc+free
31 22 8 18.5 osh-native mut+alloc+free+gc
31 25 6 18.2 osh-native mut+alloc+free+gc+exit
28 16 13 25.8 osh-nosouffle mut+alloc
31 25 6 26.3 osh-nosouffle mut+alloc+free
36 24 12 18.9 osh-nosouffle mut+alloc+free+gc
37 30 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 29 16 22.5 _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 -
43 42 1 3.4 bash -
326 186 163 3.7 zsh -
45 37 8 86.5 bumpleak/osh mut
50 42 8 85.8 _bin/cxx-opt+bumproot/osh mut
58 47 11 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 45 35 73.7 osh-native mut+alloc
91 53 39 75.5 osh-native mut+alloc+free
133 105 28 51.7 osh-native mut+alloc+free+gc
140 109 31 52.5 osh-native mut+alloc+free+gc+exit
93 58 35 74.1 osh-nosouffle mut+alloc
101 62 39 75.9 osh-nosouffle mut+alloc+free
150 123 27 52.3 osh-nosouffle mut+alloc+free+gc
154 129 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
130 78 52 99.0 _bin/cxx-opt+nopool/osh mut+alloc
198 156 41 72.4 _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 2 1 3.1 bash -
6 5 2 3.4 zsh -
6 5 1 11.8 bumpleak/osh mut
7 4 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
8 4 4 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 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 8 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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
10 10 0 1.4 dash -
30 28 2 3.3 bash -
21 16 5 3.4 zsh -
16 12 5 33.5 bumpleak/osh mut
18 14 3 33.8 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
30 19 11 27.3 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
19 17 2 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 21 14 27.6 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
38 36 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 32 13 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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 3.5 bash -
211 175 36 57.6 bumpleak/osh mut
221 168 53 57.2 _bin/cxx-opt+bumproot/osh mut
241 190 51 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 169 86 48.6 osh-native mut+alloc
263 191 72 50.7 osh-native mut+alloc+free
223 171 52 9.0 osh-native mut+alloc+free+gc
222 181 41 9.2 osh-native mut+alloc+free+gc+exit
262 197 65 49.3 osh-nosouffle mut+alloc
269 199 70 51.1 osh-nosouffle mut+alloc+free
227 184 43 9.7 osh-nosouffle mut+alloc+free+gc
229 189 40 9.3 osh-nosouffle mut+alloc+free+gc+exit
281 210 71 64.8 _bin/cxx-opt+nopool/osh mut+alloc
252 202 50 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 4 5 3.9 dash -
16 10 6 4.8 bash -
15 8 8 3.9 zsh -
17 8 10 12.3 bumpleak/osh mut
17 8 10 14.2 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 9 13 12.1 osh-nosouffle mut+alloc+free
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 13 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc