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 31 3 9 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 132 24 58 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 23 58 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 8.8 102,804 180 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 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 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 9.4 117,235 277 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 7 0 1.7 dash -
13 11 2 3.3 bash -
92 47 52 3.5 zsh -
15 12 4 30.3 bumpleak/osh mut
16 12 5 29.0 _bin/cxx-opt+bumproot/osh mut
19 13 5 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 25.6 osh-native mut+alloc
27 14 13 26.0 osh-native mut+alloc+free
31 23 8 18.2 osh-native mut+alloc+free+gc
32 24 7 18.4 osh-native mut+alloc+free+gc+exit
28 20 8 26.0 osh-nosouffle mut+alloc
30 22 8 26.5 osh-nosouffle mut+alloc+free
34 23 11 18.7 osh-nosouffle mut+alloc+free+gc
34 30 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 27 11 32.2 _bin/cxx-opt+nopool/osh mut+alloc
43 34 9 22.5 _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 21 2 1.7 dash -
42 41 1 3.4 bash -
329 174 179 3.5 zsh -
45 34 11 86.1 bumpleak/osh mut
48 41 7 86.1 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 58 26 73.7 osh-native mut+alloc
92 50 42 75.4 osh-native mut+alloc+free
132 105 27 51.6 osh-native mut+alloc+free+gc
137 120 17 52.4 osh-native mut+alloc+free+gc+exit
91 66 25 74.2 osh-nosouffle mut+alloc
100 65 35 75.9 osh-nosouffle mut+alloc+free
141 117 24 52.3 osh-nosouffle mut+alloc+free+gc
149 124 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 79 47 97.8 _bin/cxx-opt+nopool/osh mut+alloc
190 157 34 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 1.6 dash -
4 2 1 3.1 bash -
6 3 4 3.4 zsh -
6 3 3 11.6 bumpleak/osh mut
6 4 2 11.1 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 3 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 10 0 1.4 dash -
31 29 2 3.3 bash -
22 17 4 3.3 zsh -
18 11 7 33.2 bumpleak/osh mut
18 13 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 27.0 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 19 14 27.1 osh-nosouffle mut+alloc
35 25 10 27.4 osh-nosouffle mut+alloc+free
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 34 11 36.3 _bin/cxx-opt+nopool/osh mut+alloc
29 24 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
104 93 11 3.4 bash -
213 156 57 56.5 bumpleak/osh mut
220 180 40 56.5 _bin/cxx-opt+bumproot/osh mut
238 190 48 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 188 69 48.8 osh-native mut+alloc
264 190 74 50.6 osh-native mut+alloc+free
222 180 42 9.2 osh-native mut+alloc+free+gc
223 172 50 9.0 osh-native mut+alloc+free+gc+exit
262 204 58 49.3 osh-nosouffle mut+alloc
269 202 67 51.3 osh-nosouffle mut+alloc+free
228 184 44 9.6 osh-nosouffle mut+alloc+free+gc
228 184 44 9.8 osh-nosouffle mut+alloc+free+gc+exit
278 196 82 66.0 _bin/cxx-opt+nopool/osh mut+alloc
251 194 57 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 7 2 3.9 dash -
16 10 7 4.8 bash -
16 9 7 4.1 zsh -
18 7 11 12.7 bumpleak/osh mut
19 7 12 13.2 _bin/cxx-opt+bumproot/osh mut
18 11 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 10 9.4 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
22 10 13 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 13 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 11 10.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc