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 18.2 471,266 1,282 6 413,148 5 206,574 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,266 1,282 6 413,156 5 206,578 osh-nosouffle
parse.configure-coreutils 136 24 61 45.9 51.9 1,638,005 4,764 12 1,056,646 6 787,844 osh-native
parse.configure-coreutils 142 24 60 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 8.8 102,794 180 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 8.7 572,118 22,608 12 50,000 0 2,989 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.2 990,264 15,258 21 50,000 0 3,966 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,263 15,258 21 50,000 0 3,968 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,222 277 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 6 1 1.8 dash -
13 13 0 3.3 bash -
85 48 44 3.5 zsh -
15 12 3 30.1 bumpleak/osh mut
16 15 1 29.3 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 16 12 25.7 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 25.8 osh-nosouffle mut+alloc
30 18 11 26.2 osh-nosouffle mut+alloc+free
35 26 9 18.6 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 33.7 _bin/cxx-opt+nopool/osh mut+alloc
46 37 9 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 -
42 40 2 3.4 bash -
325 180 168 3.8 zsh -
45 33 11 85.0 bumpleak/osh mut
48 37 11 84.6 _bin/cxx-opt+bumproot/osh mut
59 49 10 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 57 26 73.7 osh-native mut+alloc
91 59 32 75.5 osh-native mut+alloc+free
136 111 25 51.9 osh-native mut+alloc+free+gc
135 118 17 52.4 osh-native mut+alloc+free+gc+exit
92 55 37 74.2 osh-nosouffle mut+alloc
100 58 42 75.9 osh-nosouffle mut+alloc+free
142 120 22 52.3 osh-nosouffle mut+alloc+free+gc
147 118 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 75 48 98.3 _bin/cxx-opt+nopool/osh mut+alloc
189 162 27 72.0 _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 4 2 3.4 zsh -
6 5 1 12.2 bumpleak/osh mut
7 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 4 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 8 1 1.7 dash -
30 28 2 3.1 bash -
21 15 6 3.3 zsh -
16 12 4 32.2 bumpleak/osh mut
18 15 3 31.8 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.7 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
20 15 5 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 19 14 27.5 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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 98 5 3.4 bash -
212 159 53 57.5 bumpleak/osh mut
221 175 47 56.6 _bin/cxx-opt+bumproot/osh mut
238 180 58 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 188 69 48.8 osh-native mut+alloc
264 189 75 50.6 osh-native mut+alloc+free
222 160 62 9.2 osh-native mut+alloc+free+gc
221 172 48 9.2 osh-native mut+alloc+free+gc+exit
260 192 68 49.2 osh-nosouffle mut+alloc
267 186 81 51.3 osh-nosouffle mut+alloc+free
227 177 50 9.6 osh-nosouffle mut+alloc+free+gc
228 172 56 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 210 69 64.4 _bin/cxx-opt+nopool/osh mut+alloc
249 197 53 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 9 7 4.8 bash -
15 6 10 3.9 zsh -
19 6 14 13.6 bumpleak/osh mut
18 8 10 12.6 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 9 13 9.6 osh-native mut+alloc+free+gc
22 16 7 9.6 osh-native mut+alloc+free+gc+exit
20 7 14 12.2 osh-nosouffle mut+alloc
21 11 11 12.3 osh-nosouffle mut+alloc+free
21 14 8 10.1 osh-nosouffle mut+alloc+free+gc
22 9 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 8 15 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc