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 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 23 62 45.9 52.0 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 138 21 56 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 8.9 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.9 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,235 277 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
6 6 0 1.6 dash -
13 13 0 3.3 bash -
88 58 37 3.4 zsh -
15 10 5 28.9 bumpleak/osh mut
16 13 3 28.6 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
27 21 6 26.0 osh-native mut+alloc+free
31 26 5 18.4 osh-native mut+alloc+free+gc
33 24 9 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
29 19 11 26.2 osh-nosouffle mut+alloc+free
34 26 8 18.6 osh-nosouffle mut+alloc+free+gc
35 28 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 25 15 32.5 _bin/cxx-opt+nopool/osh mut+alloc
44 35 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 22 1 1.6 dash -
42 41 1 3.4 bash -
324 185 162 3.7 zsh -
44 37 7 86.1 bumpleak/osh mut
50 40 10 86.3 _bin/cxx-opt+bumproot/osh mut
58 41 17 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.7 osh-native mut+alloc
91 55 36 75.5 osh-native mut+alloc+free
136 116 20 52.0 osh-native mut+alloc+free+gc
135 113 22 52.4 osh-native mut+alloc+free+gc+exit
90 57 32 74.1 osh-nosouffle mut+alloc
99 67 33 75.9 osh-nosouffle mut+alloc+free
138 117 21 52.3 osh-nosouffle mut+alloc+free+gc
143 123 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 75 51 99.3 _bin/cxx-opt+nopool/osh mut+alloc
191 158 33 73.2 _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 1.4 dash -
4 4 0 3.1 bash -
7 5 2 3.4 zsh -
6 2 4 11.3 bumpleak/osh mut
5 4 1 12.6 _bin/cxx-opt+bumproot/osh mut
7 5 2 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 8 1 8.9 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 3 5 11.0 osh-nosouffle mut+alloc
9 4 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 6 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
11 7 5 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 9 1 1.4 dash -
31 30 1 3.1 bash -
21 15 6 3.4 zsh -
16 13 3 32.2 bumpleak/osh mut
19 14 5 33.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
30 16 14 27.0 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 27 8 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 24 20 36.6 _bin/cxx-opt+nopool/osh mut+alloc
29 26 3 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
104 99 5 3.4 bash -
211 155 55 57.5 bumpleak/osh mut
218 166 52 57.9 _bin/cxx-opt+bumproot/osh mut
244 172 72 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 191 68 48.8 osh-native mut+alloc
266 190 76 50.7 osh-native mut+alloc+free
222 172 51 9.0 osh-native mut+alloc+free+gc
222 172 50 9.2 osh-native mut+alloc+free+gc+exit
262 198 64 49.3 osh-nosouffle mut+alloc
269 211 58 51.3 osh-nosouffle mut+alloc+free
227 170 56 9.7 osh-nosouffle mut+alloc+free+gc
228 176 53 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 198 80 64.7 _bin/cxx-opt+nopool/osh mut+alloc
250 200 50 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 3 6 4.1 dash -
16 6 11 4.8 bash -
16 10 6 3.9 zsh -
17 9 9 13.9 bumpleak/osh mut
19 9 11 13.2 _bin/cxx-opt+bumproot/osh mut
20 7 14 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
20 9 12 9.3 osh-native mut+alloc+free+gc
21 14 7 9.7 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
21 10 11 10.1 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc