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 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 149 28 73 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 159 27 75 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.5 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
13 12 1 3.3 bash -
91 54 44 3.7 zsh -
15 9 7 28.8 bumpleak/osh mut
17 12 5 30.7 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
32 27 5 18.4 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
29 17 11 26.0 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
36 28 8 18.7 osh-nosouffle mut+alloc+free+gc
38 30 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 17 22 33.6 _bin/cxx-opt+nopool/osh mut+alloc
50 41 10 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 40 2 3.4 bash -
326 189 159 3.7 zsh -
46 38 8 85.1 bumpleak/osh mut
49 35 14 86.5 _bin/cxx-opt+bumproot/osh mut
59 49 10 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 52 34 73.5 osh-native mut+alloc
90 61 29 75.6 osh-native mut+alloc+free
149 127 21 51.7 osh-native mut+alloc+free+gc
158 131 27 52.4 osh-native mut+alloc+free+gc+exit
92 58 34 74.3 osh-nosouffle mut+alloc
102 71 31 76.0 osh-nosouffle mut+alloc+free
159 136 23 52.3 osh-nosouffle mut+alloc+free+gc
163 138 25 53.0 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 98.4 _bin/cxx-opt+nopool/osh mut+alloc
213 173 40 71.8 _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 3 1 3.1 bash -
7 5 2 3.5 zsh -
7 3 4 12.1 bumpleak/osh mut
6 4 2 12.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.7 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.6 _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 -
31 30 1 3.1 bash -
21 17 4 3.4 zsh -
17 14 3 33.0 bumpleak/osh mut
19 15 4 33.0 _bin/cxx-opt+bumproot/osh mut
21 16 5 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 10 26.9 osh-native mut+alloc
31 25 7 27.0 osh-native mut+alloc+free
20 18 2 8.5 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
33 23 10 27.3 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
25 21 3 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 35 14 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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
104 99 5 3.4 bash -
213 162 51 56.0 bumpleak/osh mut
222 174 48 57.8 _bin/cxx-opt+bumproot/osh mut
241 191 50 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 179 80 48.9 osh-native mut+alloc
268 193 75 50.7 osh-native mut+alloc+free
223 180 43 9.2 osh-native mut+alloc+free+gc
224 172 52 9.0 osh-native mut+alloc+free+gc+exit
266 187 79 49.3 osh-nosouffle mut+alloc
272 199 73 51.3 osh-nosouffle mut+alloc+free
227 176 51 9.7 osh-nosouffle mut+alloc+free+gc
229 186 43 9.4 osh-nosouffle mut+alloc+free+gc+exit
282 207 75 64.3 _bin/cxx-opt+nopool/osh mut+alloc
254 194 60 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 3 7 3.9 dash -
16 8 9 4.8 bash -
16 8 8 3.9 zsh -
18 7 11 12.4 bumpleak/osh mut
19 12 8 13.3 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 7 13 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc