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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 157 28 81 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 26 66 45.9 52.3 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,128 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 224 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.4 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,258 277 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 1.7 dash -
13 10 3 3.1 bash -
92 59 41 3.5 zsh -
16 12 4 28.9 bumpleak/osh mut
17 10 7 29.6 _bin/cxx-opt+bumproot/osh mut
20 17 3 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 16 12 25.8 osh-native mut+alloc+free
32 26 6 18.2 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
34 29 5 18.7 osh-nosouffle mut+alloc+free+gc
35 24 11 18.8 osh-nosouffle mut+alloc+free+gc+exit
39 26 13 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 38 10 23.0 _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 43 0 3.5 bash -
341 205 162 3.7 zsh -
46 36 10 85.1 bumpleak/osh mut
48 36 12 86.0 _bin/cxx-opt+bumproot/osh mut
59 44 15 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 52 33 73.5 osh-native mut+alloc
97 66 32 75.6 osh-native mut+alloc+free
157 136 21 51.7 osh-native mut+alloc+free+gc
155 136 19 52.4 osh-native mut+alloc+free+gc+exit
93 60 32 74.1 osh-nosouffle mut+alloc
102 81 21 75.9 osh-nosouffle mut+alloc+free
150 128 22 52.3 osh-nosouffle mut+alloc+free+gc
158 135 23 52.9 osh-nosouffle mut+alloc+free+gc+exit
132 75 53 97.4 _bin/cxx-opt+nopool/osh mut+alloc
222 194 28 72.5 _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 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 5 1 12.5 bumpleak/osh mut
6 4 2 13.2 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.6 osh-native mut+alloc
9 4 5 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 9 0 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 11.0 osh-nosouffle mut+alloc
9 6 3 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 4 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 11 2 9.4 _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 1.7 dash -
31 29 2 3.3 bash -
21 14 8 3.4 zsh -
17 12 5 32.3 bumpleak/osh mut
19 15 4 33.5 _bin/cxx-opt+bumproot/osh mut
21 14 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 26.9 osh-native mut+alloc
31 20 11 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.5 osh-native mut+alloc+free+gc+exit
33 26 7 27.4 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 30 15 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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 99 4 3.4 bash -
214 154 60 57.0 bumpleak/osh mut
224 172 52 56.1 _bin/cxx-opt+bumproot/osh mut
241 175 66 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 186 73 48.8 osh-native mut+alloc
270 196 73 50.7 osh-native mut+alloc+free
224 179 45 9.0 osh-native mut+alloc+free+gc
225 184 41 9.0 osh-native mut+alloc+free+gc+exit
264 197 67 49.3 osh-nosouffle mut+alloc
270 195 76 51.3 osh-nosouffle mut+alloc+free
228 173 55 9.4 osh-nosouffle mut+alloc+free+gc
229 188 41 9.8 osh-nosouffle mut+alloc+free+gc+exit
283 193 90 65.7 _bin/cxx-opt+nopool/osh mut+alloc
253 213 40 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 4 5 4.1 dash -
16 6 10 4.8 bash -
16 7 10 3.8 zsh -
19 6 14 13.2 bumpleak/osh mut
18 9 9 12.8 _bin/cxx-opt+bumproot/osh mut
18 10 9 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
22 9 14 11.8 osh-native mut+alloc+free
21 12 9 9.6 osh-native mut+alloc+free+gc
22 10 13 9.6 osh-native mut+alloc+free+gc+exit
21 12 10 12.1 osh-nosouffle mut+alloc
23 11 13 12.3 osh-nosouffle mut+alloc+free
22 8 15 10.1 osh-nosouffle mut+alloc+free+gc
23 13 11 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc