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 34 4 12 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 40 5 14 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 151 32 76 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 25 67 45.9 52.3 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 10 1 2 2.6 8.8 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 11 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 8.1 572,128 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 224 0 4 11.6 9.0 990,274 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 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 5 2 1.7 dash -
13 13 0 3.3 bash -
91 58 40 3.4 zsh -
16 12 4 30.5 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
20 15 5 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.6 osh-native mut+alloc
29 20 9 25.8 osh-native mut+alloc+free
34 28 6 18.2 osh-native mut+alloc+free+gc
36 28 8 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
31 21 10 26.2 osh-nosouffle mut+alloc+free
40 29 11 18.7 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 21 19 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 37 11 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 21 2 1.6 dash -
42 38 4 3.4 bash -
330 194 160 3.8 zsh -
47 39 8 85.1 bumpleak/osh mut
49 42 7 86.1 _bin/cxx-opt+bumproot/osh mut
60 37 23 87.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.6 osh-native mut+alloc
95 60 35 75.6 osh-native mut+alloc+free
151 127 24 51.7 osh-native mut+alloc+free+gc
148 120 28 52.4 osh-native mut+alloc+free+gc+exit
91 64 27 74.1 osh-nosouffle mut+alloc
102 71 31 76.0 osh-nosouffle mut+alloc+free
152 131 21 52.3 osh-nosouffle mut+alloc+free+gc
163 136 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 89 40 98.7 _bin/cxx-opt+nopool/osh mut+alloc
211 169 42 72.4 _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 3.3 bash -
7 4 3 3.4 zsh -
6 4 2 12.7 bumpleak/osh mut
6 4 2 11.2 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.7 osh-native mut+alloc
9 4 5 10.6 osh-native mut+alloc+free
10 5 5 8.8 osh-native mut+alloc+free+gc
10 9 1 8.7 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 2 7 11.1 osh-nosouffle mut+alloc+free
11 6 5 9.2 osh-nosouffle mut+alloc+free+gc
11 9 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 6 6 11.8 _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
10 10 0 1.6 dash -
31 30 1 3.3 bash -
22 15 7 3.4 zsh -
17 13 4 33.5 bumpleak/osh mut
21 16 5 33.1 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 15 26.9 osh-native mut+alloc
31 23 8 27.1 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 26 8 27.4 osh-nosouffle mut+alloc
36 18 18 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 28 19 36.3 _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
105 103 2 3.4 bash -
214 171 43 57.2 bumpleak/osh mut
225 179 46 57.1 _bin/cxx-opt+bumproot/osh mut
241 178 62 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 185 74 48.9 osh-native mut+alloc
266 205 61 50.9 osh-native mut+alloc+free
224 173 51 9.0 osh-native mut+alloc+free+gc
226 183 43 9.0 osh-native mut+alloc+free+gc+exit
264 192 71 49.3 osh-nosouffle mut+alloc
282 206 76 51.1 osh-nosouffle mut+alloc+free
229 181 48 9.6 osh-nosouffle mut+alloc+free+gc
231 182 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
281 198 83 64.4 _bin/cxx-opt+nopool/osh mut+alloc
252 208 43 10.6 _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 5 4 3.9 dash -
16 9 8 4.7 bash -
16 6 10 4.1 zsh -
19 7 12 14.2 bumpleak/osh mut
19 10 10 12.5 _bin/cxx-opt+bumproot/osh mut
19 9 11 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 13 11.5 osh-native mut+alloc
21 8 14 11.5 osh-native mut+alloc+free
21 12 10 9.6 osh-native mut+alloc+free+gc
22 12 10 9.7 osh-native mut+alloc+free+gc+exit
20 10 12 12.2 osh-nosouffle mut+alloc
22 11 11 12.3 osh-nosouffle mut+alloc+free
22 13 10 10.0 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 9 12.9 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc