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 11 12.0 18.2 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 145 27 71 45.9 51.5 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 157 26 74 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.3 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 8.9 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.7 dash -
13 13 0 3.4 bash -
90 55 42 3.5 zsh -
15 12 3 29.6 bumpleak/osh mut
16 13 3 29.4 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 13 15 26.0 osh-native mut+alloc+free
33 26 7 18.2 osh-native mut+alloc+free+gc
33 28 5 18.2 osh-native mut+alloc+free+gc+exit
28 13 15 26.0 osh-nosouffle mut+alloc
30 18 13 26.2 osh-nosouffle mut+alloc+free
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 36 11 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 20 3 1.6 dash -
42 41 1 3.3 bash -
323 177 167 3.7 zsh -
45 34 11 86.3 bumpleak/osh mut
49 39 10 86.0 _bin/cxx-opt+bumproot/osh mut
60 46 14 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 60 22 73.8 osh-native mut+alloc
92 59 33 75.5 osh-native mut+alloc+free
145 128 17 51.5 osh-native mut+alloc+free+gc
151 120 31 52.5 osh-native mut+alloc+free+gc+exit
91 55 36 74.1 osh-nosouffle mut+alloc
102 70 32 76.0 osh-nosouffle mut+alloc+free
157 134 23 52.3 osh-nosouffle mut+alloc+free+gc
158 141 16 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 76 49 99.6 _bin/cxx-opt+nopool/osh mut+alloc
208 177 31 72.8 _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 3.1 bash -
6 3 3 3.4 zsh -
7 4 2 12.4 bumpleak/osh mut
6 3 4 11.5 _bin/cxx-opt+bumproot/osh mut
8 5 3 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
9 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
10 8 1 8.7 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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
10 9 1 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.3 zsh -
17 14 3 32.7 bumpleak/osh mut
20 14 5 33.2 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
31 18 13 27.2 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
36 25 11 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 26 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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
103 100 3 3.4 bash -
210 154 55 57.4 bumpleak/osh mut
224 169 55 57.2 _bin/cxx-opt+bumproot/osh mut
239 185 54 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 182 72 48.8 osh-native mut+alloc
263 181 82 50.6 osh-native mut+alloc+free
220 171 49 8.9 osh-native mut+alloc+free+gc
222 178 44 9.0 osh-native mut+alloc+free+gc+exit
261 181 80 49.3 osh-nosouffle mut+alloc
271 203 67 51.1 osh-nosouffle mut+alloc+free
227 177 50 9.7 osh-nosouffle mut+alloc+free+gc
227 170 57 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 211 66 65.2 _bin/cxx-opt+nopool/osh mut+alloc
252 197 55 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 4 4.1 dash -
16 6 10 4.8 bash -
16 6 10 4.1 zsh -
20 6 14 13.7 bumpleak/osh mut
19 7 13 13.4 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 7 15 11.7 osh-native mut+alloc+free
21 13 8 9.4 osh-native mut+alloc+free+gc
21 9 12 9.6 osh-native mut+alloc+free+gc+exit
21 16 6 12.1 osh-nosouffle mut+alloc
22 15 8 12.2 osh-nosouffle mut+alloc+free
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc
23 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 12 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc