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 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 23 61 45.9 51.6 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 154 26 71 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 8.8 102,803 180 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 8.5 572,127 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 221 0 3 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 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 10.0 117,233 277 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
7 5 1 1.7 dash -
13 13 0 3.4 bash -
90 52 45 3.5 zsh -
16 9 6 30.3 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
20 13 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.6 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
33 24 9 18.2 osh-native mut+alloc+free+gc+exit
28 20 8 25.8 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
34 25 9 18.7 osh-nosouffle mut+alloc+free+gc
36 32 4 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.2 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 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 22 1 1.6 dash -
42 40 2 3.5 bash -
321 165 178 3.7 zsh -
45 36 9 85.3 bumpleak/osh mut
47 37 10 86.1 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.7 osh-native mut+alloc
91 59 33 75.4 osh-native mut+alloc+free
136 112 24 51.6 osh-native mut+alloc+free+gc
141 123 18 52.4 osh-native mut+alloc+free+gc+exit
91 65 26 74.1 osh-nosouffle mut+alloc
100 62 38 76.0 osh-nosouffle mut+alloc+free
154 132 22 52.4 osh-nosouffle mut+alloc+free+gc
160 142 18 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 76 48 97.8 _bin/cxx-opt+nopool/osh mut+alloc
197 159 38 72.1 _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 1 2 3.0 bash -
6 4 2 3.4 zsh -
6 4 2 11.8 bumpleak/osh mut
6 5 1 11.3 _bin/cxx-opt+bumproot/osh mut
7 5 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.5 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 4 5 8.8 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 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
9 9 0 1.6 dash -
31 30 1 3.4 bash -
21 16 5 3.3 zsh -
16 14 3 31.8 bumpleak/osh mut
18 14 4 32.5 _bin/cxx-opt+bumproot/osh mut
20 18 3 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 9 26.7 osh-native mut+alloc
30 18 12 27.1 osh-native mut+alloc+free
20 16 4 8.5 osh-native mut+alloc+free+gc
20 19 1 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 27 8 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.2 _bin/cxx-opt+nopool/osh mut+alloc
29 28 1 9.7 _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 -
211 156 55 57.8 bumpleak/osh mut
221 168 53 56.3 _bin/cxx-opt+bumproot/osh mut
239 183 56 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 175 81 48.8 osh-native mut+alloc
263 201 62 50.7 osh-native mut+alloc+free
221 186 35 9.2 osh-native mut+alloc+free+gc
221 177 44 9.2 osh-native mut+alloc+free+gc+exit
260 190 70 49.1 osh-nosouffle mut+alloc
271 190 81 51.4 osh-nosouffle mut+alloc+free
226 181 45 9.4 osh-nosouffle mut+alloc+free+gc
227 182 45 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 194 84 64.4 _bin/cxx-opt+nopool/osh mut+alloc
252 210 42 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
9 5 5 4.1 dash -
16 8 8 5.0 bash -
16 8 8 3.9 zsh -
18 9 10 12.9 bumpleak/osh mut
18 6 12 14.5 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.4 osh-native mut+alloc
21 10 12 11.8 osh-native mut+alloc+free
21 14 7 9.4 osh-native mut+alloc+free+gc
21 12 9 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
22 10 12 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 12.9 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc