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 9 12.0 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 143 27 69 45.9 52.0 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 25 65 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 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 21 0 1 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.4 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 20 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 10.0 117,207 277 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 5 1 1.7 dash -
13 12 1 3.3 bash -
89 49 46 3.7 zsh -
16 10 6 29.1 bumpleak/osh mut
17 11 6 28.9 _bin/cxx-opt+bumproot/osh mut
19 14 5 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 14 14 26.0 osh-native mut+alloc+free
32 24 7 18.0 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 26.0 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
36 24 11 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
41 28 13 33.0 _bin/cxx-opt+nopool/osh mut+alloc
46 31 15 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 22 1 1.7 dash -
42 42 0 3.3 bash -
329 183 169 3.7 zsh -
46 36 10 86.7 bumpleak/osh mut
48 39 9 86.5 _bin/cxx-opt+bumproot/osh mut
60 48 12 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
91 62 30 75.6 osh-native mut+alloc+free
143 122 21 52.0 osh-native mut+alloc+free+gc
145 114 31 52.3 osh-native mut+alloc+free+gc+exit
91 60 32 74.2 osh-nosouffle mut+alloc
99 70 29 75.9 osh-nosouffle mut+alloc+free
147 120 27 52.1 osh-nosouffle mut+alloc+free+gc
156 127 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 76 51 98.8 _bin/cxx-opt+nopool/osh mut+alloc
200 165 35 74.5 _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 2 1 3.1 bash -
6 4 2 3.4 zsh -
7 4 2 12.4 bumpleak/osh mut
6 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 5 4 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 6 5 9.0 osh-nosouffle mut+alloc+free+gc
11 9 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 2 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 9 1 1.6 dash -
30 28 2 3.3 bash -
21 20 1 3.3 zsh -
17 14 3 35.7 bumpleak/osh mut
18 13 6 31.7 _bin/cxx-opt+bumproot/osh mut
22 14 7 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 13 15 27.1 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
21 17 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 23 11 27.3 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 25 4 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
104 101 3 3.5 bash -
214 154 60 56.8 bumpleak/osh mut
220 175 45 57.5 _bin/cxx-opt+bumproot/osh mut
237 188 49 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 182 72 48.8 osh-native mut+alloc
261 200 61 50.9 osh-native mut+alloc+free
221 171 50 9.2 osh-native mut+alloc+free+gc
223 186 37 8.9 osh-native mut+alloc+free+gc+exit
279 205 74 49.2 osh-nosouffle mut+alloc
268 194 74 51.1 osh-nosouffle mut+alloc+free
226 182 44 9.4 osh-nosouffle mut+alloc+free+gc
227 188 39 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 198 80 64.5 _bin/cxx-opt+nopool/osh mut+alloc
252 199 53 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 5 4.1 dash -
16 6 11 4.6 bash -
16 6 10 3.9 zsh -
19 8 11 13.5 bumpleak/osh mut
19 10 9 13.2 _bin/cxx-opt+bumproot/osh mut
20 12 9 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.7 osh-native mut+alloc
21 7 14 11.7 osh-native mut+alloc+free
20 13 8 9.4 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.1 osh-nosouffle mut+alloc
21 12 10 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc