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 33 4 10 12.0 18.4 471,275 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 128 22 54 45.9 51.6 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 23 58 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 9 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 2.8 8.8 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 4 11.6 9.7 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,234 277 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
6 6 1 1.7 dash -
13 12 1 3.4 bash -
89 58 38 3.4 zsh -
15 11 5 29.1 bumpleak/osh mut
17 14 3 29.3 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.6 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
33 28 5 18.4 osh-native mut+alloc+free+gc
33 27 6 18.5 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 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 32 3 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 18 21 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 33 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 21 2 1.6 dash -
43 42 1 3.4 bash -
330 175 178 3.8 zsh -
45 40 5 85.7 bumpleak/osh mut
47 39 8 86.3 _bin/cxx-opt+bumproot/osh mut
59 43 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 54 31 73.5 osh-native mut+alloc
92 54 38 75.6 osh-native mut+alloc+free
128 112 16 51.6 osh-native mut+alloc+free+gc
138 115 23 52.4 osh-native mut+alloc+free+gc+exit
92 65 27 74.2 osh-nosouffle mut+alloc
100 62 39 76.0 osh-nosouffle mut+alloc+free
141 121 20 52.4 osh-nosouffle mut+alloc+free+gc
147 119 28 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 83 43 98.1 _bin/cxx-opt+nopool/osh mut+alloc
185 149 36 73.0 _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 -
4 4 0 3.1 bash -
6 4 2 3.5 zsh -
6 3 3 13.0 bumpleak/osh mut
6 4 2 12.9 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 3 6 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
9 10 0 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.8 _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 -
30 30 0 3.3 bash -
21 17 4 3.4 zsh -
17 13 4 33.5 bumpleak/osh mut
19 16 3 32.4 _bin/cxx-opt+bumproot/osh mut
20 15 5 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 18 12 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
35 19 16 27.4 osh-nosouffle mut+alloc+free
24 21 3 8.8 osh-nosouffle mut+alloc+free+gc
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 26 20 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
103 100 3 3.5 bash -
212 169 43 57.8 bumpleak/osh mut
221 176 45 56.9 _bin/cxx-opt+bumproot/osh mut
238 181 56 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 181 74 48.8 osh-native mut+alloc
264 183 81 50.7 osh-native mut+alloc+free
223 186 37 9.2 osh-native mut+alloc+free+gc
225 176 49 9.2 osh-native mut+alloc+free+gc+exit
263 189 74 49.3 osh-nosouffle mut+alloc
275 207 68 51.4 osh-nosouffle mut+alloc+free
230 190 40 9.7 osh-nosouffle mut+alloc+free+gc
229 177 52 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 197 83 65.9 _bin/cxx-opt+nopool/osh mut+alloc
251 189 62 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 2 7 4.1 dash -
16 9 7 4.7 bash -
16 6 10 3.9 zsh -
19 9 11 13.6 bumpleak/osh mut
17 8 10 13.9 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
21 10 11 9.6 osh-native mut+alloc+free+gc
21 13 8 9.6 osh-native mut+alloc+free+gc+exit
21 11 11 12.1 osh-nosouffle mut+alloc
22 11 11 12.1 osh-nosouffle mut+alloc+free
21 15 6 10.0 osh-nosouffle mut+alloc+free+gc
22 14 8 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc