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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 145 27 69 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 164 31 79 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.3 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,234 277 3 84,016 1 42,008 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 7 0 1.7 dash -
13 13 0 3.3 bash -
91 49 49 3.5 zsh -
16 11 5 28.7 bumpleak/osh mut
17 13 4 30.8 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.4 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
33 24 9 18.2 osh-native mut+alloc+free+gc
33 29 4 18.2 osh-native mut+alloc+free+gc+exit
29 12 16 26.0 osh-nosouffle mut+alloc
31 18 13 26.2 osh-nosouffle mut+alloc+free
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 39 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 23 0 1.6 dash -
43 42 1 3.4 bash -
323 183 163 3.5 zsh -
45 34 11 84.7 bumpleak/osh mut
48 40 8 86.3 _bin/cxx-opt+bumproot/osh mut
59 45 14 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.5 osh-native mut+alloc
90 60 30 75.5 osh-native mut+alloc+free
145 123 21 51.6 osh-native mut+alloc+free+gc
149 128 21 52.4 osh-native mut+alloc+free+gc+exit
92 67 25 74.1 osh-nosouffle mut+alloc
101 65 36 76.0 osh-nosouffle mut+alloc+free
164 141 23 52.3 osh-nosouffle mut+alloc+free+gc
171 153 18 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 78 49 99.1 _bin/cxx-opt+nopool/osh mut+alloc
201 167 34 71.4 _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 2 2 3.3 bash -
7 2 4 3.4 zsh -
6 2 4 11.8 bumpleak/osh mut
6 4 3 11.8 _bin/cxx-opt+bumproot/osh mut
7 2 5 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.4 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 9.7 _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 1.4 dash -
31 31 0 3.4 bash -
22 17 5 3.4 zsh -
17 12 4 33.8 bumpleak/osh mut
18 14 4 32.7 _bin/cxx-opt+bumproot/osh mut
22 17 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
31 23 8 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 27 7 27.3 osh-nosouffle mut+alloc
36 25 11 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 99 4 3.5 bash -
213 161 52 56.8 bumpleak/osh mut
222 169 53 56.2 _bin/cxx-opt+bumproot/osh mut
238 174 64 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
271 196 75 48.8 osh-native mut+alloc
262 188 74 50.7 osh-native mut+alloc+free
221 173 47 9.0 osh-native mut+alloc+free+gc
223 166 57 9.0 osh-native mut+alloc+free+gc+exit
264 187 77 49.3 osh-nosouffle mut+alloc
271 201 70 51.3 osh-nosouffle mut+alloc+free
230 181 49 9.7 osh-nosouffle mut+alloc+free+gc
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 203 77 65.7 _bin/cxx-opt+nopool/osh mut+alloc
258 205 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 4 5 3.9 dash -
16 7 9 4.8 bash -
16 7 9 3.9 zsh -
17 7 11 14.0 bumpleak/osh mut
19 9 11 13.8 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 12 9 11.9 osh-native mut+alloc+free
21 12 9 9.3 osh-native mut+alloc+free+gc
21 12 10 9.6 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
23 16 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc