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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 140 25 65 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 147 24 63 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,258 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 1 1.7 dash -
13 12 1 3.3 bash -
90 46 51 3.5 zsh -
15 13 2 29.9 bumpleak/osh mut
16 12 4 30.3 _bin/cxx-opt+bumproot/osh mut
18 15 3 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 15 25.4 osh-native mut+alloc
28 15 13 26.1 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
35 23 12 18.2 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 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 19 21 33.0 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 23 0 1.6 dash -
42 42 0 3.5 bash -
331 189 165 3.7 zsh -
45 35 10 85.4 bumpleak/osh mut
48 38 10 86.5 _bin/cxx-opt+bumproot/osh mut
58 50 8 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 59 25 73.7 osh-native mut+alloc
93 59 35 75.6 osh-native mut+alloc+free
140 119 21 51.9 osh-native mut+alloc+free+gc
143 124 19 52.2 osh-native mut+alloc+free+gc+exit
94 62 32 74.2 osh-nosouffle mut+alloc
101 69 32 75.9 osh-nosouffle mut+alloc+free
147 118 29 52.1 osh-nosouffle mut+alloc+free+gc
155 125 30 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 78 50 98.3 _bin/cxx-opt+nopool/osh mut+alloc
193 159 34 73.6 _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 1.6 dash -
4 2 1 3.1 bash -
6 5 1 3.3 zsh -
7 2 5 12.2 bumpleak/osh mut
6 4 3 11.7 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 8 2 8.8 osh-native mut+alloc+free+gc
9 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 3 6 10.9 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 3 8 12.0 _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 29 2 3.4 bash -
21 17 5 3.4 zsh -
16 11 5 33.5 bumpleak/osh mut
18 11 7 33.7 _bin/cxx-opt+bumproot/osh mut
21 14 7 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 11 18 26.9 osh-native mut+alloc
31 15 15 27.1 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 20 13 27.1 osh-nosouffle mut+alloc
36 25 10 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
24 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 31 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
104 103 1 3.5 bash -
212 151 61 56.6 bumpleak/osh mut
222 170 51 57.3 _bin/cxx-opt+bumproot/osh mut
239 174 65 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 191 65 48.8 osh-native mut+alloc
266 193 73 50.9 osh-native mut+alloc+free
223 178 45 9.0 osh-native mut+alloc+free+gc
221 183 38 9.2 osh-native mut+alloc+free+gc+exit
263 179 84 49.4 osh-nosouffle mut+alloc
271 186 86 51.3 osh-nosouffle mut+alloc+free
229 176 53 9.6 osh-nosouffle mut+alloc+free+gc
227 187 40 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 212 68 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 196 55 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 5 4 3.9 dash -
16 9 7 4.7 bash -
15 5 11 3.9 zsh -
18 11 8 13.1 bumpleak/osh mut
18 8 10 13.0 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
20 9 12 11.5 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 12 10 12.3 osh-nosouffle mut+alloc+free
21 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc