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 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 138 25 62 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 24 67 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,234 277 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 6 1 1.8 dash -
13 12 1 3.4 bash -
90 56 41 3.5 zsh -
16 14 2 29.1 bumpleak/osh mut
16 12 5 29.1 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 9 16 25.4 osh-native mut+alloc
27 12 15 25.8 osh-native mut+alloc+free
33 31 2 18.4 osh-native mut+alloc+free+gc
33 23 10 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
35 33 2 18.7 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 23 17 32.3 _bin/cxx-opt+nopool/osh mut+alloc
46 37 9 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
23 22 1 1.6 dash -
43 43 0 3.4 bash -
327 172 177 3.8 zsh -
46 37 9 85.6 bumpleak/osh mut
49 40 9 85.6 _bin/cxx-opt+bumproot/osh mut
60 42 19 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 50 35 73.8 osh-native mut+alloc
93 59 34 75.6 osh-native mut+alloc+free
138 111 26 51.7 osh-native mut+alloc+free+gc
143 119 24 52.4 osh-native mut+alloc+free+gc+exit
92 58 34 74.2 osh-nosouffle mut+alloc
103 68 35 76.0 osh-nosouffle mut+alloc+free
150 124 26 52.4 osh-nosouffle mut+alloc+free+gc
154 134 20 53.0 osh-nosouffle mut+alloc+free+gc+exit
125 67 57 97.7 _bin/cxx-opt+nopool/osh mut+alloc
202 165 37 72.9 _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 6 1 3.3 zsh -
6 2 4 11.7 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 3 5 10.6 osh-native mut+alloc+free
9 6 4 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 5 5 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 -
31 31 0 3.3 bash -
21 17 4 3.4 zsh -
17 12 5 33.3 bumpleak/osh mut
18 12 7 33.2 _bin/cxx-opt+bumproot/osh mut
21 13 8 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 19 11 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
33 18 15 27.4 osh-nosouffle mut+alloc
35 23 12 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
45 31 14 36.7 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 9.8 _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 99 4 3.5 bash -
213 151 61 56.5 bumpleak/osh mut
223 176 47 56.4 _bin/cxx-opt+bumproot/osh mut
240 182 58 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 191 65 48.8 osh-native mut+alloc
275 212 63 50.7 osh-native mut+alloc+free
220 165 55 9.2 osh-native mut+alloc+free+gc
223 179 44 9.0 osh-native mut+alloc+free+gc+exit
263 198 65 49.3 osh-nosouffle mut+alloc
269 200 69 51.1 osh-nosouffle mut+alloc+free
229 173 56 9.6 osh-nosouffle mut+alloc+free+gc
230 179 51 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 175 102 64.7 _bin/cxx-opt+nopool/osh mut+alloc
250 193 57 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 3.9 dash -
16 9 7 5.0 bash -
16 4 12 4.1 zsh -
19 9 10 13.4 bumpleak/osh mut
18 8 10 12.8 _bin/cxx-opt+bumproot/osh mut
19 6 14 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 9 13 9.4 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 13 9 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 13 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 13 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc