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 33 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 26 64 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 24 61 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 9.2 102,803 180 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 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.6 990,272 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 0 1.7 dash -
13 13 0 3.4 bash -
90 54 44 3.4 zsh -
15 11 4 30.4 bumpleak/osh mut
16 10 6 30.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
32 24 8 18.2 osh-native mut+alloc+free+gc
33 27 6 18.1 osh-native mut+alloc+free+gc+exit
28 13 15 25.8 osh-nosouffle mut+alloc
30 19 11 26.3 osh-nosouffle mut+alloc+free
33 28 5 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.6 _bin/cxx-opt+nopool/osh mut+alloc
44 38 6 22.5 _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 1.7 dash -
43 42 1 3.4 bash -
329 193 160 3.7 zsh -
45 38 7 84.9 bumpleak/osh mut
48 38 10 85.8 _bin/cxx-opt+bumproot/osh mut
58 45 13 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 48 36 73.5 osh-native mut+alloc
93 62 31 75.6 osh-native mut+alloc+free
138 116 22 51.7 osh-native mut+alloc+free+gc
147 116 31 52.4 osh-native mut+alloc+free+gc+exit
93 52 41 74.1 osh-nosouffle mut+alloc
101 71 30 75.9 osh-nosouffle mut+alloc+free
143 117 26 52.4 osh-nosouffle mut+alloc+free+gc
148 123 25 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 80 47 98.5 _bin/cxx-opt+nopool/osh mut+alloc
195 163 32 71.7 _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 1.7 dash -
4 3 1 3.1 bash -
6 3 4 3.4 zsh -
6 4 2 12.6 bumpleak/osh mut
6 4 2 12.1 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 1 7 10.5 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 8 1 9.0 osh-native mut+alloc+free+gc+exit
8 5 4 11.0 osh-nosouffle mut+alloc
9 3 6 11.1 osh-nosouffle mut+alloc+free
10 6 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 10 1 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
10 9 1 1.4 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
16 13 3 33.7 bumpleak/osh mut
18 13 5 33.6 _bin/cxx-opt+bumproot/osh mut
20 17 3 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 18 11 26.9 osh-native mut+alloc
30 21 9 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 16 4 8.1 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 27 8 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc+exit
45 33 12 36.9 _bin/cxx-opt+nopool/osh mut+alloc
31 28 3 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
103 100 3 3.4 bash -
213 166 47 57.2 bumpleak/osh mut
221 172 49 56.2 _bin/cxx-opt+bumproot/osh mut
237 187 50 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 186 69 48.8 osh-native mut+alloc
263 194 69 50.7 osh-native mut+alloc+free
221 167 54 9.2 osh-native mut+alloc+free+gc
221 171 50 9.0 osh-native mut+alloc+free+gc+exit
262 193 69 49.3 osh-nosouffle mut+alloc
272 195 77 51.3 osh-nosouffle mut+alloc+free
228 178 50 9.6 osh-nosouffle mut+alloc+free+gc
229 185 45 9.8 osh-nosouffle mut+alloc+free+gc+exit
277 187 90 65.0 _bin/cxx-opt+nopool/osh mut+alloc
249 207 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 3 6 3.8 dash -
16 6 10 4.8 bash -
15 6 10 3.9 zsh -
18 12 7 12.9 bumpleak/osh mut
17 9 9 14.0 _bin/cxx-opt+bumproot/osh mut
18 8 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.7 osh-native mut+alloc
21 11 11 11.7 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
21 11 10 9.7 osh-native mut+alloc+free+gc+exit
21 8 13 12.2 osh-nosouffle mut+alloc
22 11 12 12.2 osh-nosouffle mut+alloc+free
21 15 6 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 13 9 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc