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 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 149 26 73 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 148 26 66 45.9 52.0 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 2 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 224 0 3 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,207 277 3 83,988 1 41,994 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 1 1.6 dash -
13 13 0 3.3 bash -
89 52 44 3.5 zsh -
16 10 6 29.1 bumpleak/osh mut
16 12 4 29.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.6 osh-native mut+alloc
28 15 12 26.0 osh-native mut+alloc+free
32 26 6 18.1 osh-native mut+alloc+free+gc
33 23 10 18.4 osh-native mut+alloc+free+gc+exit
28 17 10 25.8 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
36 31 5 18.7 osh-nosouffle mut+alloc+free+gc
37 31 6 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 33.1 _bin/cxx-opt+nopool/osh mut+alloc
46 36 10 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 3.4 bash -
324 181 165 3.8 zsh -
45 38 7 85.5 bumpleak/osh mut
48 39 9 86.7 _bin/cxx-opt+bumproot/osh mut
60 47 12 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.8 osh-native mut+alloc
92 55 37 75.6 osh-native mut+alloc+free
149 124 24 51.7 osh-native mut+alloc+free+gc
150 128 22 52.5 osh-native mut+alloc+free+gc+exit
91 60 31 74.2 osh-nosouffle mut+alloc
101 69 32 75.9 osh-nosouffle mut+alloc+free
148 124 24 52.0 osh-nosouffle mut+alloc+free+gc
150 129 21 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 79 49 98.9 _bin/cxx-opt+nopool/osh mut+alloc
194 164 29 72.1 _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 2 0 1.7 dash -
4 3 1 3.3 bash -
6 2 4 3.4 zsh -
6 2 4 11.5 bumpleak/osh mut
6 5 1 13.1 _bin/cxx-opt+bumproot/osh mut
6 6 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 4 10.6 osh-native mut+alloc+free
10 6 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 8 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
10 9 1 1.4 dash -
32 30 2 3.3 bash -
21 19 2 3.4 zsh -
17 14 3 32.3 bumpleak/osh mut
18 14 4 33.6 _bin/cxx-opt+bumproot/osh mut
21 17 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 26.9 osh-native mut+alloc
31 20 10 27.1 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.5 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
24 20 4 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 23 23 36.2 _bin/cxx-opt+nopool/osh mut+alloc
31 26 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
104 100 4 3.4 bash -
213 144 69 57.1 bumpleak/osh mut
222 163 59 57.5 _bin/cxx-opt+bumproot/osh mut
241 182 59 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 198 60 48.9 osh-native mut+alloc
266 187 79 50.7 osh-native mut+alloc+free
221 173 48 9.0 osh-native mut+alloc+free+gc
222 164 58 9.2 osh-native mut+alloc+free+gc+exit
261 173 88 49.3 osh-nosouffle mut+alloc
269 196 73 51.1 osh-nosouffle mut+alloc+free
224 174 50 9.6 osh-nosouffle mut+alloc+free+gc
225 183 42 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 192 86 65.0 _bin/cxx-opt+nopool/osh mut+alloc
249 198 51 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 7 3 3.9 dash -
16 9 7 4.8 bash -
15 6 10 3.9 zsh -
19 9 10 13.3 bumpleak/osh mut
20 12 8 13.9 _bin/cxx-opt+bumproot/osh mut
21 10 12 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.7 osh-native mut+alloc
22 12 10 11.5 osh-native mut+alloc+free
21 9 13 9.4 osh-native mut+alloc+free+gc
22 10 13 9.6 osh-native mut+alloc+free+gc+exit
21 16 6 12.2 osh-nosouffle mut+alloc
25 10 16 11.9 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
23 11 12 10.0 osh-nosouffle mut+alloc+free+gc+exit
29 17 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
28 12 16 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc