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 10 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 138 25 65 45.9 51.6 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 147 25 64 45.9 52.0 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 9.2 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.7 990,249 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 21 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
6 6 1 1.6 dash -
13 12 1 3.4 bash -
90 54 44 3.5 zsh -
16 12 4 29.0 bumpleak/osh mut
16 11 5 30.4 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 19 7 25.4 osh-native mut+alloc
28 17 10 25.7 osh-native mut+alloc+free
32 28 4 18.1 osh-native mut+alloc+free+gc
32 20 12 18.1 osh-native mut+alloc+free+gc+exit
28 22 6 25.8 osh-nosouffle mut+alloc
30 19 12 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
35 29 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 32.6 _bin/cxx-opt+nopool/osh mut+alloc
44 34 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 42 0 3.4 bash -
333 192 164 3.7 zsh -
47 37 10 84.8 bumpleak/osh mut
48 39 9 85.6 _bin/cxx-opt+bumproot/osh mut
59 42 17 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 56 27 73.9 osh-native mut+alloc
91 56 35 75.5 osh-native mut+alloc+free
138 109 29 51.6 osh-native mut+alloc+free+gc
148 118 30 52.5 osh-native mut+alloc+free+gc+exit
93 47 46 74.2 osh-nosouffle mut+alloc
103 69 33 75.9 osh-nosouffle mut+alloc+free
147 127 20 52.0 osh-nosouffle mut+alloc+free+gc
149 126 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 85 42 98.5 _bin/cxx-opt+nopool/osh mut+alloc
202 171 30 73.2 _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 -
7 3 4 3.4 zsh -
6 3 3 11.4 bumpleak/osh mut
7 5 2 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 3 5 10.5 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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
9 8 1 1.6 dash -
32 31 1 3.1 bash -
21 16 5 3.4 zsh -
17 12 6 33.0 bumpleak/osh mut
20 14 5 33.5 _bin/cxx-opt+bumproot/osh mut
22 17 5 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 19 14 27.4 osh-nosouffle mut+alloc
41 33 7 27.7 osh-nosouffle mut+alloc+free
24 20 4 8.8 osh-nosouffle mut+alloc+free+gc
24 19 6 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 22 25 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 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 3.5 bash -
214 167 47 55.9 bumpleak/osh mut
221 173 48 56.3 _bin/cxx-opt+bumproot/osh mut
238 175 63 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 193 62 48.8 osh-native mut+alloc
263 202 61 50.9 osh-native mut+alloc+free
221 169 52 9.0 osh-native mut+alloc+free+gc
224 184 40 8.9 osh-native mut+alloc+free+gc+exit
262 182 79 49.2 osh-nosouffle mut+alloc
269 206 63 51.1 osh-nosouffle mut+alloc+free
228 172 56 9.7 osh-nosouffle mut+alloc+free+gc
227 192 34 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 190 88 65.2 _bin/cxx-opt+nopool/osh mut+alloc
248 193 55 10.7 _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 3.8 dash -
16 11 5 4.8 bash -
15 9 7 3.9 zsh -
19 4 15 13.4 bumpleak/osh mut
19 7 12 13.4 _bin/cxx-opt+bumproot/osh mut
19 12 8 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
20 8 13 9.4 osh-native mut+alloc+free+gc
21 13 8 9.4 osh-native mut+alloc+free+gc+exit
21 9 12 12.1 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 12 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 8 16 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc