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 34 4 11 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 122 20 57 45.9 51.9 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 133 21 58 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,803 180 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 8.4 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 171 0 5 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 177 0 5 11.6 9.8 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 17 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 10.1 117,233 277 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
5 4 1 1.7 dash -
11 9 2 3.4 bash -
66 41 30 3.7 zsh -
16 10 6 29.3 bumpleak/osh mut
17 11 6 29.0 _bin/cxx-opt+bumproot/osh mut
19 13 6 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 25.6 osh-native mut+alloc
25 19 6 25.8 osh-native mut+alloc+free
31 25 6 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 24 4 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
33 21 12 32.3 _bin/cxx-opt+nopool/osh mut+alloc
44 32 12 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 18 0 1.7 dash -
38 36 2 3.7 bash -
228 138 104 3.7 zsh -
48 33 15 86.0 bumpleak/osh mut
53 36 17 85.7 _bin/cxx-opt+bumproot/osh mut
61 39 21 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
70 47 23 73.8 osh-native mut+alloc
81 50 30 75.6 osh-native mut+alloc+free
122 107 14 51.9 osh-native mut+alloc+free+gc
127 111 16 52.4 osh-native mut+alloc+free+gc+exit
78 54 24 74.2 osh-nosouffle mut+alloc
90 64 26 76.2 osh-nosouffle mut+alloc+free
133 112 21 52.3 osh-nosouffle mut+alloc+free+gc
143 123 20 53.0 osh-nosouffle mut+alloc+free+gc+exit
119 84 35 99.1 _bin/cxx-opt+nopool/osh mut+alloc
177 151 26 72.2 _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 1.6 dash -
3 2 1 3.1 bash -
5 3 2 3.4 zsh -
6 2 3 12.3 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
6 4 2 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
7 5 2 10.6 osh-native mut+alloc
7 4 3 10.7 osh-native mut+alloc+free
9 7 2 8.9 osh-native mut+alloc+free+gc
9 6 3 9.0 osh-native mut+alloc+free+gc+exit
7 4 3 11.0 osh-nosouffle mut+alloc
8 7 1 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc
9 6 4 9.4 osh-nosouffle mut+alloc+free+gc+exit
9 6 4 12.2 _bin/cxx-opt+nopool/osh mut+alloc
11 7 3 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
9 9 0 1.6 dash -
28 26 2 3.3 bash -
16 15 1 3.4 zsh -
18 11 7 33.6 bumpleak/osh mut
20 14 6 31.9 _bin/cxx-opt+bumproot/osh mut
22 13 9 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 13 12 27.0 osh-native mut+alloc
28 25 3 27.3 osh-native mut+alloc+free
20 19 1 8.4 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
30 14 16 27.3 osh-nosouffle mut+alloc
33 22 11 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.5 osh-nosouffle mut+alloc+free+gc
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 36.4 _bin/cxx-opt+nopool/osh mut+alloc
28 27 1 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
96 94 2 3.3 bash -
171 138 33 57.8 bumpleak/osh mut
180 149 30 56.7 _bin/cxx-opt+bumproot/osh mut
187 147 40 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
193 165 28 48.8 osh-native mut+alloc
203 173 30 50.9 osh-native mut+alloc+free
171 150 21 9.0 osh-native mut+alloc+free+gc
171 145 25 9.0 osh-native mut+alloc+free+gc+exit
198 162 36 49.2 osh-nosouffle mut+alloc
209 169 40 51.3 osh-nosouffle mut+alloc+free
177 154 23 9.8 osh-nosouffle mut+alloc+free+gc
177 156 21 10.0 osh-nosouffle mut+alloc+free+gc+exit
218 177 41 64.9 _bin/cxx-opt+nopool/osh mut+alloc
210 191 19 10.7 _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 4.1 dash -
13 8 5 4.6 bash -
11 5 6 4.1 zsh -
16 5 11 13.7 bumpleak/osh mut
16 10 7 13.5 _bin/cxx-opt+bumproot/osh mut
15 8 8 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
16 10 7 11.5 osh-native mut+alloc
17 11 6 11.7 osh-native mut+alloc+free
17 10 8 9.6 osh-native mut+alloc+free+gc
18 11 8 9.6 osh-native mut+alloc+free+gc+exit
17 10 7 12.1 osh-nosouffle mut+alloc
18 13 6 12.1 osh-nosouffle mut+alloc+free
18 13 5 10.1 osh-nosouffle mut+alloc+free+gc
19 14 6 10.4 osh-nosouffle mut+alloc+free+gc+exit
18 11 8 13.2 _bin/cxx-opt+nopool/osh mut+alloc
20 15 5 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc