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 18.1 471,258 1,282 6 413,138 5 206,569 osh-native
parse.configure-cpython 34 3 10 12.0 18.6 471,258 1,282 6 413,146 5 206,573 osh-nosouffle
parse.configure-coreutils 132 23 58 45.9 51.5 1,637,997 4,764 12 1,056,636 6 787,839 osh-native
parse.configure-coreutils 147 24 63 45.9 52.3 1,637,996 4,764 12 1,056,644 6 787,843 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,786 180 3 86,624 1 43,312 osh-native
parse.abuild 10 1 2 2.6 9.2 102,786 180 3 86,632 1 43,316 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.4 572,110 22,608 12 50,000 0 2,980 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,110 22,608 12 50,000 0 2,984 osh-nosouffle
ex.bashcomp-parse-help 225 0 3 11.6 9.0 990,256 15,258 21 50,000 0 3,963 osh-native
ex.bashcomp-parse-help 225 0 3 11.6 9.6 990,255 15,258 21 50,000 0 3,967 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,214 277 3 83,986 1 41,993 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,213 277 3 83,994 1 41,997 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 1 1.7 dash -
13 11 2 3.4 bash -
89 48 47 3.5 zsh -
16 12 4 29.1 bumpleak/osh mut
16 11 5 29.9 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.3 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
32 26 6 18.1 osh-native mut+alloc+free+gc
34 24 9 18.4 osh-native mut+alloc+free+gc+exit
29 18 11 25.8 osh-nosouffle mut+alloc
30 22 8 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
34 28 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 32.2 _bin/cxx-opt+nopool/osh mut+alloc
48 31 17 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 42 0 3.4 bash -
329 189 162 3.7 zsh -
45 34 11 86.1 bumpleak/osh mut
50 37 13 85.9 _bin/cxx-opt+bumproot/osh mut
58 49 9 87.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 45 38 73.7 osh-native mut+alloc
91 57 34 75.5 osh-native mut+alloc+free
132 109 23 51.5 osh-native mut+alloc+free+gc
141 119 22 52.3 osh-native mut+alloc+free+gc+exit
91 61 30 74.1 osh-nosouffle mut+alloc
101 67 33 76.0 osh-nosouffle mut+alloc+free
147 127 20 52.3 osh-nosouffle mut+alloc+free+gc
148 125 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 85 39 98.5 _bin/cxx-opt+nopool/osh mut+alloc
195 151 44 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 2 0 1.6 dash -
4 3 1 3.1 bash -
6 4 2 3.4 zsh -
6 3 2 12.6 bumpleak/osh mut
6 3 3 13.3 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
8 6 3 11.0 osh-nosouffle mut+alloc
9 6 4 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
17 12 5 33.5 bumpleak/osh mut
18 14 4 33.1 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.7 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 23 11 27.4 osh-nosouffle mut+alloc
35 24 11 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 26 18 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
103 101 2 3.5 bash -
212 165 47 55.9 bumpleak/osh mut
220 157 63 57.3 _bin/cxx-opt+bumproot/osh mut
240 179 61 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 174 81 48.8 osh-native mut+alloc
263 194 69 50.9 osh-native mut+alloc+free
225 182 43 9.0 osh-native mut+alloc+free+gc
223 178 45 9.0 osh-native mut+alloc+free+gc+exit
261 194 67 49.2 osh-nosouffle mut+alloc
271 202 69 51.1 osh-nosouffle mut+alloc+free
225 186 39 9.6 osh-nosouffle mut+alloc+free+gc
228 177 51 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 200 79 64.1 _bin/cxx-opt+nopool/osh mut+alloc
248 202 46 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 4.1 dash -
16 8 8 4.7 bash -
16 7 9 3.9 zsh -
18 10 9 13.2 bumpleak/osh mut
18 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
20 10 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc