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 4 10 12.0 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 3 9 12.0 18.9 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 129 22 56 45.9 51.6 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 141 22 58 45.9 52.1 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 9 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 220 0 3 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.7 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,229 277 3 84,014 1 42,007 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 53 44 3.5 zsh -
15 10 5 29.7 bumpleak/osh mut
16 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 13 12 25.7 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 23 8 18.2 osh-native mut+alloc+free+gc
32 24 8 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.9 osh-nosouffle mut+alloc+free+gc
34 32 2 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 22 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 34 11 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 21 2 1.8 dash -
42 41 1 3.3 bash -
328 179 173 3.8 zsh -
45 38 7 85.9 bumpleak/osh mut
49 39 9 86.1 _bin/cxx-opt+bumproot/osh mut
59 47 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 54 29 73.8 osh-native mut+alloc
91 53 38 75.5 osh-native mut+alloc+free
129 107 22 51.6 osh-native mut+alloc+free+gc
135 109 26 52.4 osh-native mut+alloc+free+gc+exit
92 59 33 74.2 osh-nosouffle mut+alloc
98 71 27 76.0 osh-nosouffle mut+alloc+free
141 119 23 52.1 osh-nosouffle mut+alloc+free+gc
148 121 27 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 86 40 99.0 _bin/cxx-opt+nopool/osh mut+alloc
183 143 40 73.2 _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 3.1 bash -
6 4 2 3.4 zsh -
6 3 3 12.7 bumpleak/osh mut
6 4 2 11.3 _bin/cxx-opt+bumproot/osh mut
6 3 3 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 3 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
8 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
9 7 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 1 1.6 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
17 11 6 32.3 bumpleak/osh mut
17 13 4 32.1 _bin/cxx-opt+bumproot/osh mut
21 18 3 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 19 11 27.1 osh-native mut+alloc+free
19 17 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 19 14 27.4 osh-nosouffle mut+alloc
35 21 14 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 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
103 98 5 3.4 bash -
217 165 52 56.3 bumpleak/osh mut
220 168 52 57.9 _bin/cxx-opt+bumproot/osh mut
237 179 58 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
253 165 89 48.9 osh-native mut+alloc
263 169 94 50.8 osh-native mut+alloc+free
220 172 48 9.2 osh-native mut+alloc+free+gc
221 167 54 9.2 osh-native mut+alloc+free+gc+exit
259 191 68 49.3 osh-nosouffle mut+alloc
267 202 65 51.4 osh-nosouffle mut+alloc+free
225 182 43 9.7 osh-nosouffle mut+alloc+free+gc
224 181 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 65.0 _bin/cxx-opt+nopool/osh mut+alloc
249 203 46 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 4 5 3.9 dash -
15 7 9 4.7 bash -
15 11 4 3.9 zsh -
18 8 10 12.8 bumpleak/osh mut
17 7 11 14.1 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 12 11.7 osh-native mut+alloc
20 9 12 11.8 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
21 8 14 12.3 osh-nosouffle mut+alloc+free
21 10 11 10.1 osh-nosouffle mut+alloc+free+gc
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc