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 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 38 6 13 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 154 29 78 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 159 28 75 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 10 1 2 2.6 8.5 102,791 180 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 8.8 572,115 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 230 0 4 11.6 9.4 990,260 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 10.0 117,218 277 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
6 5 2 1.6 dash -
13 12 1 3.3 bash -
89 52 44 3.5 zsh -
16 12 4 29.0 bumpleak/osh mut
17 13 4 28.9 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 12 14 25.4 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
32 26 5 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
34 23 11 26.3 osh-nosouffle mut+alloc+free
38 32 6 18.7 osh-nosouffle mut+alloc+free+gc
36 24 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.3 _bin/cxx-opt+nopool/osh mut+alloc
48 39 9 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 41 1 3.3 bash -
321 174 169 3.7 zsh -
45 33 12 86.0 bumpleak/osh mut
48 40 8 86.1 _bin/cxx-opt+bumproot/osh mut
60 47 12 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 52 31 73.5 osh-native mut+alloc
91 59 33 75.5 osh-native mut+alloc+free
154 116 38 51.7 osh-native mut+alloc+free+gc
141 123 18 52.3 osh-native mut+alloc+free+gc+exit
94 61 32 74.1 osh-nosouffle mut+alloc
102 68 34 75.7 osh-nosouffle mut+alloc+free
159 137 22 52.3 osh-nosouffle mut+alloc+free+gc
173 148 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 83 41 97.8 _bin/cxx-opt+nopool/osh mut+alloc
201 165 36 72.6 _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 3 1 3.3 bash -
6 3 4 3.4 zsh -
6 4 2 12.1 bumpleak/osh mut
6 4 2 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 2 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.5 osh-native mut+alloc
8 6 2 10.9 osh-native mut+alloc+free
10 6 4 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
11 7 4 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.9 _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
9 9 0 1.6 dash -
31 30 1 3.1 bash -
21 16 5 3.5 zsh -
17 11 6 33.4 bumpleak/osh mut
19 14 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 14 6 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 23 6 26.9 osh-native mut+alloc
32 21 11 27.0 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 16 17 27.3 osh-nosouffle mut+alloc
36 26 9 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
45 27 18 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 28 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 3.4 bash -
217 165 52 56.7 bumpleak/osh mut
223 165 58 58.0 _bin/cxx-opt+bumproot/osh mut
240 188 53 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 179 77 48.8 osh-native mut+alloc
265 194 71 50.7 osh-native mut+alloc+free
221 178 43 9.2 osh-native mut+alloc+free+gc
227 171 56 9.0 osh-native mut+alloc+free+gc+exit
262 194 68 49.3 osh-nosouffle mut+alloc
273 213 61 51.3 osh-nosouffle mut+alloc+free
230 189 41 9.4 osh-nosouffle mut+alloc+free+gc
229 176 54 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 195 86 66.0 _bin/cxx-opt+nopool/osh mut+alloc
253 195 59 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 -
15 8 8 4.8 bash -
15 10 5 4.1 zsh -
19 6 13 13.6 bumpleak/osh mut
19 7 12 13.5 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 8 12 9.4 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
21 11 11 12.2 osh-nosouffle mut+alloc+free
22 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc