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 18.1 471,266 1,282 6 413,148 5 206,574 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,266 1,282 6 413,156 5 206,578 osh-nosouffle
parse.configure-coreutils 140 26 66 45.9 51.7 1,638,005 4,764 12 1,056,646 6 787,844 osh-native
parse.configure-coreutils 147 24 64 45.9 52.3 1,638,004 4,764 12 1,056,654 6 787,848 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,794 180 3 86,634 1 43,317 osh-native
parse.abuild 10 1 2 2.6 9.2 102,794 180 3 86,642 1 43,321 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,118 22,608 12 50,000 0 2,984 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,118 22,608 12 50,000 0 2,989 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,264 15,258 21 50,000 0 3,966 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,263 15,258 21 50,000 0 3,968 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,222 277 3 83,996 1 41,998 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,221 277 3 84,004 1 42,002 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 13 0 3.3 bash -
89 50 46 3.5 zsh -
15 12 3 28.9 bumpleak/osh mut
16 13 4 28.8 _bin/cxx-opt+bumproot/osh mut
18 11 8 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 15 13 25.7 osh-native mut+alloc+free
32 26 6 18.1 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc
37 28 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.3 _bin/cxx-opt+nopool/osh mut+alloc
46 36 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 22 1 1.7 dash -
42 42 0 3.4 bash -
317 177 162 3.7 zsh -
44 38 7 86.4 bumpleak/osh mut
48 36 12 85.5 _bin/cxx-opt+bumproot/osh mut
58 41 17 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 58 26 73.6 osh-native mut+alloc
91 58 33 75.6 osh-native mut+alloc+free
140 115 25 51.7 osh-native mut+alloc+free+gc
142 117 25 52.4 osh-native mut+alloc+free+gc+exit
93 54 38 74.2 osh-nosouffle mut+alloc
101 59 42 76.0 osh-nosouffle mut+alloc+free
147 118 29 52.3 osh-nosouffle mut+alloc+free+gc
152 125 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 66 57 97.6 _bin/cxx-opt+nopool/osh mut+alloc
197 168 29 73.5 _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 1.6 dash -
4 2 1 3.3 bash -
6 3 3 3.4 zsh -
6 4 2 13.2 bumpleak/osh mut
6 5 1 11.6 _bin/cxx-opt+bumproot/osh mut
7 2 5 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.5 osh-native mut+alloc
8 7 1 10.7 osh-native mut+alloc+free
9 8 1 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.1 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.7 _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 1.4 dash -
31 30 1 3.3 bash -
21 16 5 3.3 zsh -
16 11 5 32.0 bumpleak/osh mut
17 14 3 31.8 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 24 5 26.9 osh-native mut+alloc
31 19 12 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 20 13 27.3 osh-nosouffle mut+alloc
36 23 12 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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 99 4 3.5 bash -
211 163 48 56.4 bumpleak/osh mut
221 173 48 58.2 _bin/cxx-opt+bumproot/osh mut
240 189 51 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 195 59 48.8 osh-native mut+alloc
260 187 72 50.7 osh-native mut+alloc+free
221 161 60 9.0 osh-native mut+alloc+free+gc
221 177 44 9.2 osh-native mut+alloc+free+gc+exit
259 187 72 49.4 osh-nosouffle mut+alloc
265 186 79 51.2 osh-nosouffle mut+alloc+free
226 185 40 9.6 osh-nosouffle mut+alloc+free+gc
226 167 59 9.4 osh-nosouffle mut+alloc+free+gc+exit
275 200 75 65.1 _bin/cxx-opt+nopool/osh mut+alloc
250 199 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 4 6 3.8 dash -
16 9 8 4.8 bash -
16 7 10 3.9 zsh -
19 10 9 13.8 bumpleak/osh mut
19 10 10 13.6 _bin/cxx-opt+bumproot/osh mut
19 7 12 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 14 11.4 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 14 8 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 14 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc