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 33 4 10 12.0 18.2 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 135 25 61 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 151 26 68 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 20 0 2 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 4 11.6 9.0 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 229 0 4 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 9.6 117,208 277 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 5 2 1.7 dash -
13 11 2 3.4 bash -
91 53 46 3.5 zsh -
15 11 5 28.8 bumpleak/osh mut
16 11 5 29.1 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.7 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
33 30 3 18.2 osh-native mut+alloc+free+gc
34 25 9 18.2 osh-native mut+alloc+free+gc+exit
29 22 7 26.1 osh-nosouffle mut+alloc
31 24 7 26.2 osh-nosouffle mut+alloc+free
35 30 5 18.6 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 33.4 _bin/cxx-opt+nopool/osh mut+alloc
45 34 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 1.8 dash -
42 41 1 3.4 bash -
330 183 170 3.8 zsh -
45 35 10 85.4 bumpleak/osh mut
48 38 10 84.9 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.7 osh-native mut+alloc
93 61 32 75.4 osh-native mut+alloc+free
135 110 25 51.7 osh-native mut+alloc+free+gc
138 118 20 52.4 osh-native mut+alloc+free+gc+exit
92 61 31 74.2 osh-nosouffle mut+alloc
101 60 41 75.9 osh-nosouffle mut+alloc+free
151 123 28 52.1 osh-nosouffle mut+alloc+free+gc
158 134 24 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 86 42 98.8 _bin/cxx-opt+nopool/osh mut+alloc
194 166 28 74.2 _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 1.4 dash -
4 2 1 3.1 bash -
7 3 4 3.4 zsh -
6 5 2 11.7 bumpleak/osh mut
7 4 3 12.1 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.5 osh-native mut+alloc
8 5 3 10.5 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 4 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 5 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 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 -
31 29 2 3.3 bash -
21 13 8 3.5 zsh -
17 13 4 33.3 bumpleak/osh mut
19 16 3 33.2 _bin/cxx-opt+bumproot/osh mut
21 14 8 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 24 7 27.1 osh-native mut+alloc+free
20 16 5 8.3 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 24 9 27.3 osh-nosouffle mut+alloc
36 23 13 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 32 15 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
104 101 3 3.4 bash -
214 159 54 56.4 bumpleak/osh mut
222 169 53 57.7 _bin/cxx-opt+bumproot/osh mut
240 193 47 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 173 81 48.8 osh-native mut+alloc
263 190 73 50.7 osh-native mut+alloc+free
221 168 53 9.0 osh-native mut+alloc+free+gc
223 170 52 9.0 osh-native mut+alloc+free+gc+exit
265 190 74 49.3 osh-nosouffle mut+alloc
275 197 78 51.3 osh-nosouffle mut+alloc+free
229 190 39 9.6 osh-nosouffle mut+alloc+free+gc
228 176 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 196 81 65.5 _bin/cxx-opt+nopool/osh mut+alloc
250 196 54 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 4 5 3.9 dash -
16 9 7 4.8 bash -
16 7 9 3.8 zsh -
17 5 12 12.1 bumpleak/osh mut
18 9 10 12.5 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 14 8 11.7 osh-native mut+alloc+free
21 11 10 9.6 osh-native mut+alloc+free+gc
21 11 12 9.7 osh-native mut+alloc+free+gc+exit
21 14 8 12.2 osh-nosouffle mut+alloc
22 10 12 12.1 osh-nosouffle mut+alloc+free
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc