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 34 5 12 12.0 18.1 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 38 5 13 12.0 18.6 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 151 27 76 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 160 27 76 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 2 2.8 8.4 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 24 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 227 0 4 11.6 9.8 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,208 277 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
7 7 0 1.6 dash -
13 12 1 3.3 bash -
92 46 53 3.5 zsh -
15 11 4 28.7 bumpleak/osh mut
16 12 4 30.2 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 13 15 25.7 osh-native mut+alloc+free
34 30 4 18.1 osh-native mut+alloc+free+gc
36 30 6 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
31 23 8 26.3 osh-nosouffle mut+alloc+free
38 29 9 18.6 osh-nosouffle mut+alloc+free+gc
38 32 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.7 _bin/cxx-opt+nopool/osh mut+alloc
53 38 15 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
24 22 2 1.7 dash -
43 39 3 3.4 bash -
339 186 177 3.8 zsh -
45 38 7 86.5 bumpleak/osh mut
48 36 11 86.8 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.5 osh-native mut+alloc
91 60 31 75.4 osh-native mut+alloc+free
151 123 28 51.7 osh-native mut+alloc+free+gc
148 130 18 52.4 osh-native mut+alloc+free+gc+exit
92 61 31 74.2 osh-nosouffle mut+alloc
100 68 32 75.9 osh-nosouffle mut+alloc+free
160 130 30 52.0 osh-nosouffle mut+alloc+free+gc
167 142 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 97.8 _bin/cxx-opt+nopool/osh mut+alloc
212 172 40 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 1.6 dash -
4 4 0 3.1 bash -
7 2 4 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 7 2 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 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.5 _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 1.6 dash -
31 30 1 3.1 bash -
21 14 7 3.4 zsh -
17 14 3 33.5 bumpleak/osh mut
18 16 2 32.0 _bin/cxx-opt+bumproot/osh mut
22 17 5 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.7 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 15 5 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 28 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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 94 10 3.3 bash -
213 167 46 56.4 bumpleak/osh mut
223 166 57 56.7 _bin/cxx-opt+bumproot/osh mut
240 170 69 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 202 58 48.8 osh-native mut+alloc
263 205 59 50.7 osh-native mut+alloc+free
221 177 44 9.0 osh-native mut+alloc+free+gc
222 172 50 9.0 osh-native mut+alloc+free+gc+exit
263 190 73 49.0 osh-nosouffle mut+alloc
271 195 76 51.3 osh-nosouffle mut+alloc+free
227 185 42 9.8 osh-nosouffle mut+alloc+free+gc
229 169 59 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 199 81 66.0 _bin/cxx-opt+nopool/osh mut+alloc
254 214 40 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 6 3.9 dash -
16 9 7 5.0 bash -
16 8 8 3.9 zsh -
17 10 7 13.9 bumpleak/osh mut
19 7 12 13.2 _bin/cxx-opt+bumproot/osh mut
20 7 14 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 12 9 9.3 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 8 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc