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 37 6 14 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 6 13 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 162 32 84 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 178 31 92 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.1 572,128 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 226 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 236 0 6 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 10.0 117,234 277 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 13 0 3.3 bash -
94 49 53 3.5 zsh -
16 11 5 29.9 bumpleak/osh mut
17 15 2 29.0 _bin/cxx-opt+bumproot/osh mut
20 13 7 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 19 9 25.7 osh-native mut+alloc+free
37 32 5 18.2 osh-native mut+alloc+free+gc
37 27 10 18.2 osh-native mut+alloc+free+gc+exit
29 16 13 25.8 osh-nosouffle mut+alloc
31 17 14 26.3 osh-nosouffle mut+alloc+free
38 31 7 18.7 osh-nosouffle mut+alloc+free+gc
42 35 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 33.1 _bin/cxx-opt+nopool/osh mut+alloc
57 49 8 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 41 2 3.5 bash -
335 194 164 3.7 zsh -
46 40 6 86.0 bumpleak/osh mut
49 40 9 86.3 _bin/cxx-opt+bumproot/osh mut
60 50 10 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 57 27 73.7 osh-native mut+alloc
92 56 36 75.6 osh-native mut+alloc+free
162 138 24 51.6 osh-native mut+alloc+free+gc
169 143 26 52.4 osh-native mut+alloc+free+gc+exit
93 63 30 74.1 osh-nosouffle mut+alloc
103 68 35 75.9 osh-nosouffle mut+alloc+free
178 160 18 52.1 osh-nosouffle mut+alloc+free+gc
182 161 21 53.1 osh-nosouffle mut+alloc+free+gc+exit
128 87 41 98.8 _bin/cxx-opt+nopool/osh mut+alloc
236 211 25 70.9 _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 4 0 3.1 bash -
7 5 2 3.5 zsh -
6 5 1 12.7 bumpleak/osh mut
6 4 3 12.7 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 4 10.7 osh-native mut+alloc
9 6 3 10.5 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.7 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
10 6 4 11.1 osh-nosouffle mut+alloc+free
11 5 6 9.0 osh-nosouffle mut+alloc+free+gc
11 9 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 5 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 10 3 9.4 _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 1 1.4 dash -
31 30 1 3.1 bash -
22 15 6 3.4 zsh -
17 12 5 31.8 bumpleak/osh mut
19 13 6 33.5 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 11 26.7 osh-native mut+alloc
31 20 11 27.1 osh-native mut+alloc+free
21 18 2 8.1 osh-native mut+alloc+free+gc
21 21 0 8.3 osh-native mut+alloc+free+gc+exit
34 24 10 27.3 osh-nosouffle mut+alloc
36 20 16 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
26 25 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 27 4 10.0 _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 97 7 3.5 bash -
213 153 60 57.7 bumpleak/osh mut
225 169 56 58.0 _bin/cxx-opt+bumproot/osh mut
246 187 59 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 207 55 48.8 osh-native mut+alloc
269 194 76 50.7 osh-native mut+alloc+free
226 176 50 9.2 osh-native mut+alloc+free+gc
228 179 49 9.2 osh-native mut+alloc+free+gc+exit
273 212 61 49.3 osh-nosouffle mut+alloc
281 215 66 51.3 osh-nosouffle mut+alloc+free
236 184 51 9.7 osh-nosouffle mut+alloc+free+gc
234 175 58 9.7 osh-nosouffle mut+alloc+free+gc+exit
283 199 84 65.1 _bin/cxx-opt+nopool/osh mut+alloc
264 216 48 10.7 _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 5 4.1 dash -
17 11 6 4.7 bash -
16 7 10 3.9 zsh -
18 8 10 14.2 bumpleak/osh mut
20 9 12 13.5 _bin/cxx-opt+bumproot/osh mut
21 10 11 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.8 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
21 11 10 9.4 osh-native mut+alloc+free+gc
22 9 13 9.7 osh-native mut+alloc+free+gc+exit
21 10 12 12.2 osh-nosouffle mut+alloc
23 8 15 12.3 osh-nosouffle mut+alloc+free
23 13 11 10.0 osh-nosouffle mut+alloc+free+gc
23 14 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 15 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
25 14 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc