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 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 26 70 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 145 24 62 45.9 52.4 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 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 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 21 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 5 2 1.6 dash -
13 11 2 3.4 bash -
89 55 41 3.3 zsh -
15 9 6 29.7 bumpleak/osh mut
16 11 5 30.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.4 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
32 27 5 18.2 osh-native mut+alloc+free+gc
33 25 8 18.1 osh-native mut+alloc+free+gc+exit
28 17 11 25.8 osh-nosouffle mut+alloc
30 24 6 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 32.3 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 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 1.7 dash -
42 41 1 3.3 bash -
323 177 170 3.8 zsh -
45 36 9 86.4 bumpleak/osh mut
48 39 9 86.1 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 46 37 73.7 osh-native mut+alloc
91 61 30 75.6 osh-native mut+alloc+free
144 124 20 51.7 osh-native mut+alloc+free+gc
152 131 21 52.4 osh-native mut+alloc+free+gc+exit
90 63 27 74.2 osh-nosouffle mut+alloc
100 69 31 76.0 osh-nosouffle mut+alloc+free
145 118 27 52.4 osh-nosouffle mut+alloc+free+gc
149 129 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 78 46 97.7 _bin/cxx-opt+nopool/osh mut+alloc
204 171 33 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 2 0 1.7 dash -
4 4 0 3.3 bash -
6 3 4 3.4 zsh -
6 4 2 12.9 bumpleak/osh mut
7 2 4 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 8 1 8.7 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 10 0 1.6 dash -
31 29 2 3.4 bash -
22 14 8 3.4 zsh -
16 12 4 32.1 bumpleak/osh mut
18 14 4 33.6 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 8 26.9 osh-native mut+alloc
30 23 8 27.2 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
21 19 2 8.4 osh-native mut+alloc+free+gc+exit
34 23 11 27.4 osh-nosouffle mut+alloc
36 28 8 27.6 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 31 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 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 97 6 3.5 bash -
212 150 62 56.6 bumpleak/osh mut
220 166 54 57.7 _bin/cxx-opt+bumproot/osh mut
238 179 59 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 186 70 48.8 osh-native mut+alloc
265 201 64 50.7 osh-native mut+alloc+free
225 177 48 9.2 osh-native mut+alloc+free+gc
222 173 49 9.0 osh-native mut+alloc+free+gc+exit
262 198 64 49.3 osh-nosouffle mut+alloc
269 193 76 51.4 osh-nosouffle mut+alloc+free
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc
227 178 49 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 194 85 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 211 41 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 4.1 dash -
16 8 8 4.8 bash -
15 2 14 3.9 zsh -
19 9 11 13.6 bumpleak/osh mut
19 10 9 13.4 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 13 9 9.6 osh-native mut+alloc+free+gc+exit
20 11 11 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
21 12 11 10.1 osh-nosouffle mut+alloc+free+gc
22 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc