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 4 11 12.0 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 33 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 126 20 59 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 137 20 61 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 8 1 2 2.6 8.8 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 9 1 2 2.6 9.3 102,803 180 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 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 172 0 5 11.6 8.9 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 176 0 5 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 18 1 2 3.0 9.6 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 18 1 2 3.0 10.0 117,233 277 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
5 5 0 1.7 dash -
11 9 2 3.4 bash -
65 43 26 3.5 zsh -
16 11 5 30.1 bumpleak/osh mut
16 13 3 28.8 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 10 25.6 osh-native mut+alloc
25 18 6 26.0 osh-native mut+alloc+free
31 27 3 18.4 osh-native mut+alloc+free+gc
32 26 6 18.4 osh-native mut+alloc+free+gc+exit
25 15 10 26.0 osh-nosouffle mut+alloc
28 19 9 26.5 osh-nosouffle mut+alloc+free
33 27 6 18.7 osh-nosouffle mut+alloc+free+gc
34 32 2 18.7 osh-nosouffle mut+alloc+free+gc+exit
33 20 12 33.1 _bin/cxx-opt+nopool/osh mut+alloc
43 38 5 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
18 15 3 1.6 dash -
38 37 1 3.5 bash -
230 141 104 3.5 zsh -
49 35 14 85.2 bumpleak/osh mut
53 37 16 85.1 _bin/cxx-opt+bumproot/osh mut
61 46 15 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
71 47 24 73.8 osh-native mut+alloc
81 57 24 75.6 osh-native mut+alloc+free
126 110 16 51.9 osh-native mut+alloc+free+gc
132 112 20 52.5 osh-native mut+alloc+free+gc+exit
80 54 25 74.2 osh-nosouffle mut+alloc
90 67 23 76.2 osh-nosouffle mut+alloc+free
137 117 20 52.3 osh-nosouffle mut+alloc+free+gc
143 124 19 52.9 osh-nosouffle mut+alloc+free+gc+exit
107 72 35 99.0 _bin/cxx-opt+nopool/osh mut+alloc
185 160 24 73.3 _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
1 1 0 1.6 dash -
3 2 1 3.1 bash -
5 3 2 3.3 zsh -
6 1 5 12.5 bumpleak/osh mut
5 2 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 2 10.6 osh-native mut+alloc
7 5 2 10.7 osh-native mut+alloc+free
8 7 1 8.8 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
7 6 1 11.0 osh-nosouffle mut+alloc
8 5 3 11.1 osh-nosouffle mut+alloc+free
9 7 2 9.3 osh-nosouffle mut+alloc+free+gc
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
9 4 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 9 2 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
9 8 1 1.6 dash -
29 29 0 3.3 bash -
16 16 0 3.3 zsh -
18 11 8 33.0 bumpleak/osh mut
20 13 7 33.8 _bin/cxx-opt+bumproot/osh mut
23 15 8 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 26.9 osh-native mut+alloc
28 20 8 27.3 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
30 26 4 27.4 osh-nosouffle mut+alloc
33 22 11 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
39 20 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
95 94 1 3.4 bash -
172 141 31 56.3 bumpleak/osh mut
181 155 26 56.6 _bin/cxx-opt+bumproot/osh mut
188 154 34 59.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
192 159 33 49.0 osh-native mut+alloc
200 163 37 50.9 osh-native mut+alloc+free
172 153 19 8.9 osh-native mut+alloc+free+gc
172 156 16 9.2 osh-native mut+alloc+free+gc+exit
198 158 40 49.4 osh-nosouffle mut+alloc
206 165 41 51.3 osh-nosouffle mut+alloc+free
176 160 16 9.6 osh-nosouffle mut+alloc+free+gc
176 148 28 9.8 osh-nosouffle mut+alloc+free+gc+exit
219 179 40 65.1 _bin/cxx-opt+nopool/osh mut+alloc
200 180 19 10.8 _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
7 4 3 3.9 dash -
13 7 6 4.7 bash -
12 7 5 4.1 zsh -
16 8 9 13.7 bumpleak/osh mut
16 9 8 13.4 _bin/cxx-opt+bumproot/osh mut
16 8 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 7 9 11.7 osh-native mut+alloc
17 9 9 11.8 osh-native mut+alloc+free
18 9 9 9.6 osh-native mut+alloc+free+gc
18 11 8 9.7 osh-native mut+alloc+free+gc+exit
17 9 8 12.1 osh-nosouffle mut+alloc
18 8 11 12.3 osh-nosouffle mut+alloc+free
18 13 6 10.0 osh-nosouffle mut+alloc+free+gc
19 11 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
18 10 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
21 10 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc