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 35 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 171 40 92 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 181 39 93 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 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 232 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 235 0 4 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 23 1 2 3.0 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 24 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
7 7 0 1.6 dash -
13 13 0 3.4 bash -
99 62 44 3.5 zsh -
17 11 6 29.0 bumpleak/osh mut
17 13 4 30.3 _bin/cxx-opt+bumproot/osh mut
20 14 7 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 12 25.6 osh-native mut+alloc
30 14 16 25.7 osh-native mut+alloc+free
35 28 6 18.4 osh-native mut+alloc+free+gc
34 24 9 18.2 osh-native mut+alloc+free+gc+exit
29 17 12 26.0 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
37 32 5 18.9 osh-nosouffle mut+alloc+free+gc+exit
41 28 13 33.0 _bin/cxx-opt+nopool/osh mut+alloc
56 47 9 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 23 0 1.7 dash -
43 40 3 3.4 bash -
352 197 178 3.7 zsh -
50 37 13 85.1 bumpleak/osh mut
52 37 15 85.7 _bin/cxx-opt+bumproot/osh mut
63 48 15 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 60 25 73.5 osh-native mut+alloc
97 62 35 75.6 osh-native mut+alloc+free
171 138 34 51.7 osh-native mut+alloc+free+gc
175 147 28 52.5 osh-native mut+alloc+free+gc+exit
96 61 35 74.2 osh-nosouffle mut+alloc
113 76 37 75.9 osh-nosouffle mut+alloc+free
181 158 23 52.3 osh-nosouffle mut+alloc+free+gc
188 160 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
137 80 57 98.7 _bin/cxx-opt+nopool/osh mut+alloc
226 195 31 73.5 _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 1 1 1.7 dash -
4 3 1 3.1 bash -
7 4 3 3.4 zsh -
7 6 1 12.0 bumpleak/osh mut
7 4 4 13.1 _bin/cxx-opt+bumproot/osh mut
8 2 6 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 1 8 10.5 osh-native mut+alloc
9 6 3 10.6 osh-native mut+alloc+free
10 7 3 8.8 osh-native mut+alloc+free+gc
10 8 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 5 11.1 osh-nosouffle mut+alloc
10 8 2 11.1 osh-nosouffle mut+alloc+free
11 10 1 9.2 osh-nosouffle mut+alloc+free+gc
11 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 6 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
14 10 4 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 8 2 1.6 dash -
31 30 1 3.3 bash -
21 17 5 3.4 zsh -
18 15 3 32.6 bumpleak/osh mut
19 14 4 31.8 _bin/cxx-opt+bumproot/osh mut
22 17 6 34.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 26.9 osh-native mut+alloc
33 19 14 27.1 osh-native mut+alloc+free
20 17 4 8.3 osh-native mut+alloc+free+gc
20 18 3 8.3 osh-native mut+alloc+free+gc+exit
35 24 11 27.4 osh-nosouffle mut+alloc
39 26 13 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
26 24 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
49 29 20 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 25 5 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
108 104 4 3.4 bash -
221 174 47 57.0 bumpleak/osh mut
232 180 52 57.1 _bin/cxx-opt+bumproot/osh mut
253 203 50 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
271 196 74 48.8 osh-native mut+alloc
277 191 86 50.7 osh-native mut+alloc+free
232 178 53 9.2 osh-native mut+alloc+free+gc
231 180 51 9.0 osh-native mut+alloc+free+gc+exit
275 212 63 49.2 osh-nosouffle mut+alloc
286 209 77 51.4 osh-nosouffle mut+alloc+free
235 186 49 9.8 osh-nosouffle mut+alloc+free+gc
238 186 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
290 218 73 66.0 _bin/cxx-opt+nopool/osh mut+alloc
258 216 42 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
10 5 5 3.8 dash -
17 10 8 4.8 bash -
17 7 10 3.9 zsh -
19 10 10 13.8 bumpleak/osh mut
21 8 13 14.3 _bin/cxx-opt+bumproot/osh mut
20 13 8 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 9 13 11.5 osh-native mut+alloc
23 9 14 11.8 osh-native mut+alloc+free
23 13 10 9.4 osh-native mut+alloc+free+gc
24 13 11 9.7 osh-native mut+alloc+free+gc+exit
24 11 14 11.8 osh-nosouffle mut+alloc
25 14 12 12.3 osh-nosouffle mut+alloc+free
24 14 11 10.1 osh-nosouffle mut+alloc+free+gc
25 12 14 10.2 osh-nosouffle mut+alloc+free+gc+exit
25 13 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
27 18 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc