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 18.4 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 132 23 59 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 140 22 58 45.9 52.3 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.9 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.0 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.6 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,233 277 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 50 46 3.5 zsh -
15 10 5 28.7 bumpleak/osh mut
16 11 5 28.7 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
28 11 16 25.8 osh-native mut+alloc+free
32 26 6 18.4 osh-native mut+alloc+free+gc
32 27 5 18.1 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 20 10 26.5 osh-nosouffle mut+alloc+free
34 26 9 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 33.8 _bin/cxx-opt+nopool/osh mut+alloc
46 33 12 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 22 1 1.6 dash -
42 41 1 3.5 bash -
323 189 157 3.5 zsh -
45 36 10 86.3 bumpleak/osh mut
47 37 10 85.2 _bin/cxx-opt+bumproot/osh mut
59 50 10 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
90 62 29 75.5 osh-native mut+alloc+free
132 109 23 51.7 osh-native mut+alloc+free+gc
135 105 29 52.4 osh-native mut+alloc+free+gc+exit
90 63 27 74.2 osh-nosouffle mut+alloc
99 66 33 75.9 osh-nosouffle mut+alloc+free
140 117 23 52.3 osh-nosouffle mut+alloc+free+gc
145 123 22 53.0 osh-nosouffle mut+alloc+free+gc+exit
124 80 44 99.3 _bin/cxx-opt+nopool/osh mut+alloc
184 154 30 71.6 _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 2 1 3.1 bash -
6 3 3 3.5 zsh -
6 4 2 11.5 bumpleak/osh mut
6 4 2 11.3 _bin/cxx-opt+bumproot/osh mut
7 3 5 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.7 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 6 3 8.9 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 6 2 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 5 5 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.6 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 1.4 dash -
31 30 1 3.3 bash -
21 17 4 3.4 zsh -
17 13 4 33.2 bumpleak/osh mut
19 13 6 32.4 _bin/cxx-opt+bumproot/osh mut
22 16 6 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 20 0 8.1 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 28 8 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
47 29 18 36.9 _bin/cxx-opt+nopool/osh mut+alloc
29 22 7 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
104 100 4 3.4 bash -
213 159 54 56.4 bumpleak/osh mut
224 178 46 57.6 _bin/cxx-opt+bumproot/osh mut
238 181 57 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.8 osh-native mut+alloc
263 195 68 50.7 osh-native mut+alloc+free
222 181 40 9.0 osh-native mut+alloc+free+gc
224 178 46 9.0 osh-native mut+alloc+free+gc+exit
261 200 61 49.4 osh-nosouffle mut+alloc
273 219 54 51.3 osh-nosouffle mut+alloc+free
226 181 45 9.6 osh-nosouffle mut+alloc+free+gc
228 181 47 9.8 osh-nosouffle mut+alloc+free+gc+exit
279 203 76 65.3 _bin/cxx-opt+nopool/osh mut+alloc
251 205 46 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 3.9 dash -
16 10 7 4.8 bash -
16 6 10 3.9 zsh -
17 9 9 14.1 bumpleak/osh mut
18 9 10 13.0 _bin/cxx-opt+bumproot/osh mut
18 9 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 10 11.5 osh-native mut+alloc
20 9 12 11.7 osh-native mut+alloc+free
20 13 7 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 11 9 12.1 osh-nosouffle mut+alloc
22 9 13 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 16 8 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc