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 34 4 11 12.0 18.1 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 149 31 74 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 157 28 73 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 8.8 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 11 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 8.4 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 8.9 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 231 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 9.3 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,218 277 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
6 5 2 1.7 dash -
13 12 1 3.3 bash -
93 52 47 3.5 zsh -
15 11 5 29.4 bumpleak/osh mut
17 12 5 30.6 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
29 18 11 25.7 osh-native mut+alloc+free
34 24 10 18.1 osh-native mut+alloc+free+gc
35 27 7 18.2 osh-native mut+alloc+free+gc+exit
29 15 14 26.0 osh-nosouffle mut+alloc
33 22 11 26.2 osh-nosouffle mut+alloc+free
35 25 10 18.7 osh-nosouffle mut+alloc+free+gc
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 32.4 _bin/cxx-opt+nopool/osh mut+alloc
50 41 9 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 41 1 3.5 bash -
326 188 162 3.7 zsh -
48 38 10 85.8 bumpleak/osh mut
49 40 9 84.9 _bin/cxx-opt+bumproot/osh mut
61 47 14 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 55 30 73.8 osh-native mut+alloc
96 57 39 75.5 osh-native mut+alloc+free
149 125 24 51.7 osh-native mut+alloc+free+gc
156 134 22 52.4 osh-native mut+alloc+free+gc+exit
94 66 29 74.2 osh-nosouffle mut+alloc
103 57 46 75.9 osh-nosouffle mut+alloc+free
157 131 26 52.3 osh-nosouffle mut+alloc+free+gc
162 144 18 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 76 50 98.6 _bin/cxx-opt+nopool/osh mut+alloc
213 182 31 71.1 _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 2 3.3 bash -
7 4 2 3.4 zsh -
7 5 2 12.4 bumpleak/osh mut
7 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 4 4 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
11 10 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 9 3 9.5 _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 1.7 dash -
30 30 0 3.1 bash -
21 16 5 3.4 zsh -
17 11 6 32.1 bumpleak/osh mut
19 15 4 33.9 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
31 17 14 27.1 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 27 7 27.4 osh-nosouffle mut+alloc
37 31 6 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 23 23 36.6 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 103 2 3.4 bash -
213 164 49 56.2 bumpleak/osh mut
222 160 62 58.0 _bin/cxx-opt+bumproot/osh mut
248 191 58 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 184 75 48.8 osh-native mut+alloc
273 198 75 50.7 osh-native mut+alloc+free
221 172 49 8.9 osh-native mut+alloc+free+gc
222 172 50 9.0 osh-native mut+alloc+free+gc+exit
268 218 50 49.2 osh-nosouffle mut+alloc
277 200 76 51.1 osh-nosouffle mut+alloc+free
231 187 44 9.7 osh-nosouffle mut+alloc+free+gc
229 177 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
282 194 88 66.0 _bin/cxx-opt+nopool/osh mut+alloc
253 207 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 3 6 4.1 dash -
16 9 8 4.6 bash -
16 12 4 3.9 zsh -
18 8 11 12.7 bumpleak/osh mut
18 6 12 12.9 _bin/cxx-opt+bumproot/osh mut
19 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 6 14 11.7 osh-native mut+alloc
22 11 12 11.8 osh-native mut+alloc+free
21 12 10 9.3 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.2 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc