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 3 9 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 3 10 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 26 68 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 155 26 71 45.9 52.1 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 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 230 0 5 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,234 277 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 7 0 1.7 dash -
13 12 1 3.4 bash -
90 49 48 3.7 zsh -
15 10 5 29.3 bumpleak/osh mut
16 11 5 30.1 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
32 25 6 18.4 osh-native mut+alloc+free+gc
32 27 5 18.2 osh-native mut+alloc+free+gc+exit
29 19 10 25.8 osh-nosouffle mut+alloc
31 22 8 26.3 osh-nosouffle mut+alloc+free
35 28 6 18.9 osh-nosouffle mut+alloc+free+gc
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 19 21 32.3 _bin/cxx-opt+nopool/osh mut+alloc
45 32 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 20 3 1.7 dash -
42 41 1 3.4 bash -
327 181 168 3.7 zsh -
45 33 12 85.2 bumpleak/osh mut
49 39 10 84.9 _bin/cxx-opt+bumproot/osh mut
58 46 12 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.8 osh-native mut+alloc
90 56 35 75.5 osh-native mut+alloc+free
142 117 25 51.7 osh-native mut+alloc+free+gc
146 119 27 52.5 osh-native mut+alloc+free+gc+exit
93 63 30 74.3 osh-nosouffle mut+alloc
100 67 33 76.0 osh-nosouffle mut+alloc+free
155 127 28 52.1 osh-nosouffle mut+alloc+free+gc
156 131 25 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 72 54 98.8 _bin/cxx-opt+nopool/osh mut+alloc
206 174 32 73.8 _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 1.4 dash -
4 3 1 3.1 bash -
7 2 4 3.4 zsh -
6 3 2 12.5 bumpleak/osh mut
6 3 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
9 8 1 10.7 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 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
10 10 0 1.4 dash -
30 29 1 3.1 bash -
22 15 6 3.4 zsh -
18 16 2 33.4 bumpleak/osh mut
18 14 4 32.5 _bin/cxx-opt+bumproot/osh mut
22 15 7 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
32 22 10 26.9 osh-native mut+alloc
31 21 10 27.1 osh-native mut+alloc+free
20 18 2 8.4 osh-native mut+alloc+free+gc
20 18 2 8.4 osh-native mut+alloc+free+gc+exit
34 24 9 27.5 osh-nosouffle mut+alloc
36 26 11 27.5 osh-nosouffle mut+alloc+free
26 26 0 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 101 3 3.4 bash -
213 170 43 56.1 bumpleak/osh mut
222 178 45 57.5 _bin/cxx-opt+bumproot/osh mut
239 185 53 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
263 208 55 48.8 osh-native mut+alloc
265 194 71 50.7 osh-native mut+alloc+free
225 177 48 9.2 osh-native mut+alloc+free+gc
223 179 44 9.2 osh-native mut+alloc+free+gc+exit
268 199 69 49.3 osh-nosouffle mut+alloc
268 194 74 51.1 osh-nosouffle mut+alloc+free
230 182 48 9.7 osh-nosouffle mut+alloc+free+gc
233 193 39 9.7 osh-nosouffle mut+alloc+free+gc+exit
280 206 74 65.5 _bin/cxx-opt+nopool/osh mut+alloc
265 221 44 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 4 6 3.9 dash -
16 8 8 4.8 bash -
16 7 9 3.9 zsh -
18 8 10 13.9 bumpleak/osh mut
19 9 11 14.0 _bin/cxx-opt+bumproot/osh mut
20 8 12 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 9 11.7 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 11 11 9.6 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 12 9 12.1 osh-nosouffle mut+alloc
22 7 16 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
23 11 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc