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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 134 23 60 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 144 24 60 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 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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 6 1 1.7 dash -
13 12 1 3.3 bash -
89 44 53 3.5 zsh -
16 12 3 30.4 bumpleak/osh mut
17 14 3 28.9 _bin/cxx-opt+bumproot/osh mut
19 16 3 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
33 25 8 18.2 osh-native mut+alloc+free+gc
33 22 11 18.2 osh-native mut+alloc+free+gc+exit
32 19 13 25.8 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
34 22 12 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 29 11 32.1 _bin/cxx-opt+nopool/osh mut+alloc
47 34 13 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 20 3 1.6 dash -
42 40 2 3.4 bash -
330 177 176 3.8 zsh -
44 35 9 84.9 bumpleak/osh mut
48 37 11 85.4 _bin/cxx-opt+bumproot/osh mut
58 46 12 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 55 27 73.7 osh-native mut+alloc
93 63 29 75.3 osh-native mut+alloc+free
134 108 26 51.6 osh-native mut+alloc+free+gc
139 113 26 52.5 osh-native mut+alloc+free+gc+exit
93 68 25 74.1 osh-nosouffle mut+alloc
102 76 26 75.9 osh-nosouffle mut+alloc+free
144 115 29 52.3 osh-nosouffle mut+alloc+free+gc
148 123 25 53.1 osh-nosouffle mut+alloc+free+gc+exit
125 78 47 98.4 _bin/cxx-opt+nopool/osh mut+alloc
194 164 31 72.4 _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 1 1 1.7 dash -
4 3 1 3.1 bash -
7 3 3 3.4 zsh -
6 4 2 11.9 bumpleak/osh mut
6 4 2 11.9 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.6 osh-native mut+alloc
8 4 4 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 6 3 11.1 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 6 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 -
30 29 1 3.3 bash -
21 13 8 3.4 zsh -
17 11 6 33.1 bumpleak/osh mut
18 15 2 31.9 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 11 27.0 osh-native mut+alloc
31 22 9 27.1 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
34 22 12 27.4 osh-nosouffle mut+alloc
36 21 15 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 25 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
103 99 4 3.4 bash -
212 158 54 57.6 bumpleak/osh mut
221 170 51 57.3 _bin/cxx-opt+bumproot/osh mut
238 181 57 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 178 78 48.8 osh-native mut+alloc
263 192 71 50.7 osh-native mut+alloc+free
221 172 50 9.0 osh-native mut+alloc+free+gc
222 179 43 9.2 osh-native mut+alloc+free+gc+exit
262 200 62 49.4 osh-nosouffle mut+alloc
270 207 63 51.3 osh-nosouffle mut+alloc+free
226 179 47 9.6 osh-nosouffle mut+alloc+free+gc
228 174 53 9.4 osh-nosouffle mut+alloc+free+gc+exit
282 209 73 64.4 _bin/cxx-opt+nopool/osh mut+alloc
250 194 56 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 3.9 dash -
16 7 10 4.8 bash -
16 7 9 3.9 zsh -
18 7 11 13.0 bumpleak/osh mut
18 11 7 14.3 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 11 10 9.6 osh-native mut+alloc+free+gc
21 10 12 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc