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 32 4 10 12.0 18.0 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 3 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 26 69 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 146 24 63 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 226 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,233 277 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 -
91 45 54 3.5 zsh -
15 11 5 30.1 bumpleak/osh mut
16 13 3 29.6 _bin/cxx-opt+bumproot/osh mut
20 11 9 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 20 5 25.6 osh-native mut+alloc
28 18 10 25.8 osh-native mut+alloc+free
32 25 8 18.0 osh-native mut+alloc+free+gc
33 25 8 18.2 osh-native mut+alloc+free+gc+exit
28 22 6 25.8 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.9 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.6 _bin/cxx-opt+nopool/osh mut+alloc
46 32 14 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 23 0 1.7 dash -
43 42 1 3.5 bash -
326 195 153 3.7 zsh -
45 39 6 85.6 bumpleak/osh mut
48 40 8 85.7 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 48 36 73.8 osh-native mut+alloc
92 58 34 75.4 osh-native mut+alloc+free
144 120 24 51.7 osh-native mut+alloc+free+gc
143 110 33 52.4 osh-native mut+alloc+free+gc+exit
92 70 22 74.2 osh-nosouffle mut+alloc
100 69 30 76.0 osh-nosouffle mut+alloc+free
146 122 24 52.1 osh-nosouffle mut+alloc+free+gc
153 129 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
123 79 44 99.2 _bin/cxx-opt+nopool/osh mut+alloc
209 176 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 1 1 1.7 dash -
4 3 1 3.1 bash -
6 2 5 3.4 zsh -
6 3 4 12.0 bumpleak/osh mut
7 4 3 13.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.4 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 10.9 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 1.7 dash -
31 31 0 3.1 bash -
21 15 6 3.4 zsh -
16 11 5 33.5 bumpleak/osh mut
19 17 2 33.5 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
30 19 11 27.1 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
34 22 12 27.3 osh-nosouffle mut+alloc
36 25 11 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 22 24 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 24 6 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 98 5 3.4 bash -
214 150 64 56.4 bumpleak/osh mut
220 174 46 56.5 _bin/cxx-opt+bumproot/osh mut
240 178 62 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 174 82 48.6 osh-native mut+alloc
265 179 86 50.6 osh-native mut+alloc+free
226 180 46 9.2 osh-native mut+alloc+free+gc
225 168 57 9.2 osh-native mut+alloc+free+gc+exit
262 189 73 49.4 osh-nosouffle mut+alloc
269 203 65 51.3 osh-nosouffle mut+alloc+free
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc
228 176 52 9.7 osh-nosouffle mut+alloc+free+gc+exit
278 202 76 65.8 _bin/cxx-opt+nopool/osh mut+alloc
251 203 48 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 3.9 dash -
16 6 10 4.7 bash -
16 8 8 4.1 zsh -
18 11 7 12.6 bumpleak/osh mut
18 8 10 14.5 _bin/cxx-opt+bumproot/osh mut
19 9 10 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 10 12 9.3 osh-native mut+alloc+free+gc+exit
21 11 10 12.1 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc
23 14 10 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 8 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc