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 18.4 471,264 1,282 6 413,144 5 206,572 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,264 1,282 6 413,152 5 206,576 osh-nosouffle
parse.configure-coreutils 136 25 63 45.9 51.9 1,638,003 4,764 12 1,056,642 6 787,842 osh-native
parse.configure-coreutils 143 24 61 45.9 52.1 1,638,002 4,764 12 1,056,650 6 787,846 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,792 180 3 86,630 1 43,315 osh-native
parse.abuild 10 1 2 2.6 9.2 102,792 180 3 86,638 1 43,319 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,116 22,608 12 50,000 0 2,983 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,116 22,608 12 50,000 0 2,986 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,262 15,258 21 50,000 0 3,964 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.4 990,261 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,220 277 3 83,992 1 41,996 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,219 277 3 84,000 1 42,000 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
13 10 3 3.3 bash -
89 58 38 3.5 zsh -
15 12 3 29.5 bumpleak/osh mut
16 13 3 29.2 _bin/cxx-opt+bumproot/osh mut
19 17 2 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 10 25.4 osh-native mut+alloc
27 15 12 25.8 osh-native mut+alloc+free
32 27 5 18.4 osh-native mut+alloc+free+gc
33 30 3 18.2 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
38 25 13 33.2 _bin/cxx-opt+nopool/osh mut+alloc
45 33 12 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 22 1 1.7 dash -
42 41 1 3.4 bash -
326 190 159 3.7 zsh -
44 34 10 86.2 bumpleak/osh mut
48 40 8 86.3 _bin/cxx-opt+bumproot/osh mut
59 50 9 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 29 73.7 osh-native mut+alloc
91 62 28 75.4 osh-native mut+alloc+free
136 117 19 51.9 osh-native mut+alloc+free+gc
145 116 29 52.3 osh-native mut+alloc+free+gc+exit
92 65 28 74.1 osh-nosouffle mut+alloc
101 69 32 76.2 osh-nosouffle mut+alloc+free
143 122 21 52.1 osh-nosouffle mut+alloc+free+gc
151 130 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 72 53 98.8 _bin/cxx-opt+nopool/osh mut+alloc
202 163 39 74.2 _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 2 0 1.7 dash -
4 3 1 3.1 bash -
6 5 1 3.4 zsh -
6 5 1 13.1 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 7 2 8.7 osh-native mut+alloc+free+gc+exit
8 5 3 11.1 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
11 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _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
10 10 0 1.4 dash -
30 29 1 3.4 bash -
21 13 8 3.4 zsh -
17 15 2 31.8 bumpleak/osh mut
19 14 5 33.3 _bin/cxx-opt+bumproot/osh mut
20 12 8 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 11 26.7 osh-native mut+alloc
30 17 14 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
34 27 6 27.3 osh-nosouffle mut+alloc
36 25 11 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 25 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
44 32 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 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
103 99 4 3.4 bash -
213 174 39 56.2 bumpleak/osh mut
221 157 64 56.9 _bin/cxx-opt+bumproot/osh mut
239 192 47 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 180 77 48.9 osh-native mut+alloc
267 206 61 50.7 osh-native mut+alloc+free
221 179 42 9.0 osh-native mut+alloc+free+gc
221 171 51 9.2 osh-native mut+alloc+free+gc+exit
262 206 56 49.3 osh-nosouffle mut+alloc
270 187 83 51.3 osh-nosouffle mut+alloc+free
228 183 45 9.4 osh-nosouffle mut+alloc+free+gc
228 181 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 201 78 65.9 _bin/cxx-opt+nopool/osh mut+alloc
251 200 51 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 3 6 3.9 dash -
16 8 9 4.8 bash -
15 7 9 3.9 zsh -
17 6 12 14.2 bumpleak/osh mut
19 12 8 13.8 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 14 7 11.5 osh-native mut+alloc
21 7 14 11.8 osh-native mut+alloc+free
20 9 12 9.6 osh-native mut+alloc+free+gc
21 13 9 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 13 9 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 14 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc