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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 142 25 68 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 158 27 73 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 8.8 102,804 180 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 221 0 3 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 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 9.8 117,234 277 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
6 6 0 1.7 dash -
13 13 0 3.4 bash -
90 48 49 3.7 zsh -
16 12 4 30.6 bumpleak/osh mut
16 10 6 28.6 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.3 osh-native mut+alloc
28 17 10 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 15 13 26.0 osh-nosouffle mut+alloc
30 22 8 26.1 osh-nosouffle mut+alloc+free
34 26 8 18.9 osh-nosouffle mut+alloc+free+gc
35 29 6 18.9 osh-nosouffle mut+alloc+free+gc+exit
38 25 14 32.2 _bin/cxx-opt+nopool/osh mut+alloc
46 34 12 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 -
42 40 2 3.4 bash -
326 171 179 3.5 zsh -
46 37 9 85.6 bumpleak/osh mut
48 37 11 84.7 _bin/cxx-opt+bumproot/osh mut
59 45 15 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 48 37 73.7 osh-native mut+alloc
90 65 25 75.5 osh-native mut+alloc+free
142 118 24 51.7 osh-native mut+alloc+free+gc
146 127 19 52.4 osh-native mut+alloc+free+gc+exit
91 56 35 74.2 osh-nosouffle mut+alloc
99 63 36 75.9 osh-nosouffle mut+alloc+free
158 124 33 52.1 osh-nosouffle mut+alloc+free+gc
154 125 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 81 44 97.7 _bin/cxx-opt+nopool/osh mut+alloc
204 169 35 74.0 _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 -
7 5 2 3.4 zsh -
6 3 3 11.8 bumpleak/osh mut
6 4 2 11.7 _bin/cxx-opt+bumproot/osh mut
7 5 1 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 6 3 8.8 osh-native mut+alloc+free+gc
10 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 4 5 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.2 osh-nosouffle mut+alloc+free+gc+exit
12 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 29 1 3.3 bash -
21 18 3 3.4 zsh -
17 11 7 32.9 bumpleak/osh mut
19 15 4 33.6 _bin/cxx-opt+bumproot/osh mut
22 17 5 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 19 10 27.1 osh-native mut+alloc
31 20 11 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 25 8 27.3 osh-nosouffle mut+alloc
35 23 12 27.5 osh-nosouffle mut+alloc+free
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 25 5 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
104 97 7 3.3 bash -
213 152 61 55.8 bumpleak/osh mut
221 164 57 57.2 _bin/cxx-opt+bumproot/osh mut
241 173 68 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 183 71 48.8 osh-native mut+alloc
264 200 64 50.7 osh-native mut+alloc+free
221 179 42 8.9 osh-native mut+alloc+free+gc
222 188 34 9.2 osh-native mut+alloc+free+gc+exit
259 199 60 49.3 osh-nosouffle mut+alloc
272 210 62 51.3 osh-nosouffle mut+alloc+free
226 160 66 9.6 osh-nosouffle mut+alloc+free+gc
228 193 35 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 195 84 65.7 _bin/cxx-opt+nopool/osh mut+alloc
250 203 47 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 6 3 4.1 dash -
16 4 13 4.6 bash -
16 9 7 4.1 zsh -
17 11 7 12.5 bumpleak/osh mut
19 10 10 14.0 _bin/cxx-opt+bumproot/osh mut
19 8 12 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 8 14 11.8 osh-native mut+alloc+free
21 10 12 9.6 osh-native mut+alloc+free+gc
22 14 9 9.4 osh-native mut+alloc+free+gc+exit
21 7 14 12.2 osh-nosouffle mut+alloc
22 12 10 12.2 osh-nosouffle mut+alloc+free
22 11 11 9.8 osh-nosouffle mut+alloc+free+gc
22 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 17 7 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc