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 3 9 12.5 18.7 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.5 19.1 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 142 28 69 46.4 52.4 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 142 23 62 46.4 52.7 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 11 1 2 3.1 9.3 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 11 1 2 3.1 9.7 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 3.3 8.8 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 1 3.3 9.0 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 12.2 9.6 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 227 0 3 12.2 10.1 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 22 1 2 3.7 10.1 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 24 1 2 3.7 10.6 117,207 277 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
7 7 0 1.7 dash -
13 13 0 3.3 bash -
89 54 42 3.5 zsh -
15 14 1 29.2 bumpleak/osh mut
17 10 7 29.3 _bin/cxx-opt+bumproot/osh mut
20 13 7 31.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 26.1 osh-native mut+alloc
28 15 13 26.3 osh-native mut+alloc+free
32 24 8 18.7 osh-native mut+alloc+free+gc
33 25 7 18.9 osh-native mut+alloc+free+gc+exit
29 17 12 26.5 osh-nosouffle mut+alloc
33 21 13 26.9 osh-nosouffle mut+alloc+free
35 25 10 19.1 osh-nosouffle mut+alloc+free+gc
35 29 6 19.4 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 33.8 _bin/cxx-opt+nopool/osh mut+alloc
45 33 12 23.1 _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 1.7 dash -
43 41 2 3.5 bash -
327 187 164 3.8 zsh -
43 37 6 86.2 bumpleak/osh mut
46 39 8 85.6 _bin/cxx-opt+bumproot/osh mut
58 37 21 87.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 49 32 74.3 osh-native mut+alloc
91 62 29 76.2 osh-native mut+alloc+free
142 110 32 52.4 osh-native mut+alloc+free+gc
148 121 27 52.8 osh-native mut+alloc+free+gc+exit
90 58 32 74.7 osh-nosouffle mut+alloc
99 63 36 76.4 osh-nosouffle mut+alloc+free
142 116 27 52.7 osh-nosouffle mut+alloc+free+gc
145 126 19 53.5 osh-nosouffle mut+alloc+free+gc+exit
124 79 45 98.8 _bin/cxx-opt+nopool/osh mut+alloc
197 164 33 74.1 _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 1.7 dash -
4 2 1 3.3 bash -
6 3 3 3.4 zsh -
7 7 0 13.0 bumpleak/osh mut
7 4 4 13.3 _bin/cxx-opt+bumproot/osh mut
9 5 4 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
10 8 2 11.0 osh-native mut+alloc
10 6 4 11.0 osh-native mut+alloc+free
11 4 7 9.3 osh-native mut+alloc+free+gc
11 9 2 9.2 osh-native mut+alloc+free+gc+exit
10 6 4 11.5 osh-nosouffle mut+alloc
10 6 4 11.4 osh-nosouffle mut+alloc+free
11 7 5 9.7 osh-nosouffle mut+alloc+free+gc
11 7 4 9.7 osh-nosouffle mut+alloc+free+gc+exit
13 6 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
14 9 5 9.9 _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 9 1 1.7 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
16 12 5 34.2 bumpleak/osh mut
18 14 4 33.4 _bin/cxx-opt+bumproot/osh mut
21 14 7 35.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 27.3 osh-native mut+alloc
30 20 10 27.5 osh-native mut+alloc+free
20 17 3 8.8 osh-native mut+alloc+free+gc
20 19 1 8.7 osh-native mut+alloc+free+gc+exit
33 20 14 27.8 osh-nosouffle mut+alloc
35 22 13 27.9 osh-nosouffle mut+alloc+free
25 20 5 9.0 osh-nosouffle mut+alloc+free+gc
25 21 4 9.0 osh-nosouffle mut+alloc+free+gc+exit
46 32 14 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 10.4 _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
103 100 3 3.4 bash -
213 164 49 57.2 bumpleak/osh mut
221 171 50 56.7 _bin/cxx-opt+bumproot/osh mut
237 179 58 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 187 70 49.2 osh-native mut+alloc
262 189 72 51.4 osh-native mut+alloc+free
222 170 52 9.6 osh-native mut+alloc+free+gc
223 169 54 9.4 osh-native mut+alloc+free+gc+exit
261 186 75 49.8 osh-nosouffle mut+alloc
268 185 83 51.8 osh-nosouffle mut+alloc+free
227 177 49 10.1 osh-nosouffle mut+alloc+free+gc
226 172 54 10.2 osh-nosouffle mut+alloc+free+gc+exit
279 218 61 65.9 _bin/cxx-opt+nopool/osh mut+alloc
248 206 42 11.1 _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 10 6 4.8 bash -
16 5 11 4.1 zsh -
20 6 14 13.7 bumpleak/osh mut
21 7 14 14.0 _bin/cxx-opt+bumproot/osh mut
22 7 15 15.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 12 12.1 osh-native mut+alloc
23 11 13 12.2 osh-native mut+alloc+free
22 10 13 10.1 osh-native mut+alloc+free+gc
23 13 11 10.0 osh-native mut+alloc+free+gc+exit
23 12 11 12.8 osh-nosouffle mut+alloc
24 13 12 12.8 osh-nosouffle mut+alloc+free
24 13 12 10.6 osh-nosouffle mut+alloc+free+gc
24 11 13 10.5 osh-nosouffle mut+alloc+free+gc+exit
25 10 16 13.7 _bin/cxx-opt+nopool/osh mut+alloc
26 13 14 11.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc