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 31 3 9 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 149 28 69 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 137 22 55 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 9.2 102,804 180 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 31 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,274 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 20 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 9.7 117,234 277 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 1 1.6 dash -
13 13 0 3.3 bash -
90 46 51 3.5 zsh -
16 12 4 29.3 bumpleak/osh mut
16 13 2 29.7 _bin/cxx-opt+bumproot/osh mut
18 16 3 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 9 25.6 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
32 23 9 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 25 9 18.6 osh-nosouffle mut+alloc+free+gc
35 29 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 26 12 33.0 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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 23 0 1.7 dash -
42 41 1 3.4 bash -
323 172 173 3.5 zsh -
45 39 6 85.2 bumpleak/osh mut
49 41 8 85.7 _bin/cxx-opt+bumproot/osh mut
59 53 6 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 50 35 73.5 osh-native mut+alloc
93 60 33 75.5 osh-native mut+alloc+free
149 122 25 51.6 osh-native mut+alloc+free+gc
147 124 23 52.4 osh-native mut+alloc+free+gc+exit
93 60 33 74.3 osh-nosouffle mut+alloc
101 67 34 76.2 osh-nosouffle mut+alloc+free
137 124 13 52.1 osh-nosouffle mut+alloc+free+gc
145 118 27 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 81 44 98.6 _bin/cxx-opt+nopool/osh mut+alloc
204 162 42 74.5 _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 1 1 1.7 dash -
4 2 1 3.3 bash -
7 5 2 3.4 zsh -
6 3 3 11.7 bumpleak/osh mut
6 3 3 13.2 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 2 6 10.6 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 10.9 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.2 _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 9 1 1.6 dash -
31 29 2 3.3 bash -
22 17 5 3.4 zsh -
17 14 3 32.7 bumpleak/osh mut
18 12 6 32.2 _bin/cxx-opt+bumproot/osh mut
21 13 8 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
31 20 10 27.3 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 20 14 27.3 osh-nosouffle mut+alloc
35 25 11 27.6 osh-nosouffle mut+alloc+free
31 29 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
47 29 18 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
104 100 4 3.4 bash -
213 163 50 56.9 bumpleak/osh mut
221 172 49 57.8 _bin/cxx-opt+bumproot/osh mut
239 192 47 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 196 58 48.8 osh-native mut+alloc
263 178 85 50.7 osh-native mut+alloc+free
221 159 62 9.2 osh-native mut+alloc+free+gc
222 167 55 9.0 osh-native mut+alloc+free+gc+exit
261 200 61 49.2 osh-nosouffle mut+alloc
267 200 67 51.3 osh-nosouffle mut+alloc+free
229 174 55 9.6 osh-nosouffle mut+alloc+free+gc
228 180 48 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 204 74 66.1 _bin/cxx-opt+nopool/osh mut+alloc
250 201 48 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 6 3.9 dash -
16 9 8 4.8 bash -
15 7 9 3.8 zsh -
17 8 9 14.2 bumpleak/osh mut
19 8 11 13.3 _bin/cxx-opt+bumproot/osh mut
18 10 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.4 osh-native mut+alloc
20 13 8 11.7 osh-native mut+alloc+free
20 12 9 9.6 osh-native mut+alloc+free+gc
21 11 11 9.7 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
21 12 10 12.2 osh-nosouffle mut+alloc+free
22 9 13 9.7 osh-nosouffle mut+alloc+free+gc
23 12 11 10.0 osh-nosouffle mut+alloc+free+gc+exit
23 11 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 8 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc