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 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 133 23 61 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 142 25 60 45.9 52.3 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 222 0 3 11.6 9.0 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,229 277 3 84,014 1 42,007 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 12 1 3.3 bash -
88 46 48 3.5 zsh -
15 10 5 30.2 bumpleak/osh mut
16 15 1 29.4 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
27 17 11 25.8 osh-native mut+alloc+free
31 18 13 18.2 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 14 14 26.0 osh-nosouffle mut+alloc
30 18 11 26.3 osh-nosouffle mut+alloc+free
34 26 8 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 17 32.3 _bin/cxx-opt+nopool/osh mut+alloc
45 32 13 22.3 _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
22 20 2 1.7 dash -
43 42 1 3.4 bash -
323 179 165 3.7 zsh -
45 39 6 84.8 bumpleak/osh mut
48 37 11 85.7 _bin/cxx-opt+bumproot/osh mut
59 49 10 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 59 25 73.6 osh-native mut+alloc
90 57 33 75.4 osh-native mut+alloc+free
133 113 20 51.7 osh-native mut+alloc+free+gc
136 103 33 52.4 osh-native mut+alloc+free+gc+exit
91 65 26 74.1 osh-nosouffle mut+alloc
99 66 33 76.0 osh-nosouffle mut+alloc+free
142 122 20 52.3 osh-nosouffle mut+alloc+free+gc
147 125 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
124 75 49 99.0 _bin/cxx-opt+nopool/osh mut+alloc
195 160 35 73.4 _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 2 2 3.1 bash -
6 3 3 3.4 zsh -
6 3 3 11.5 bumpleak/osh mut
6 4 2 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.6 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 4 5 8.7 osh-native mut+alloc+free+gc
9 5 5 8.9 osh-native mut+alloc+free+gc+exit
8 3 6 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
11 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 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 14 3 32.6 bumpleak/osh mut
18 15 3 32.4 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
32 20 12 26.9 osh-native mut+alloc
30 20 10 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 28 7 27.5 osh-nosouffle mut+alloc+free
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.8 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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 98 6 3.4 bash -
213 165 48 56.4 bumpleak/osh mut
223 173 50 57.0 _bin/cxx-opt+bumproot/osh mut
237 176 61 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 181 75 48.8 osh-native mut+alloc
264 198 66 50.7 osh-native mut+alloc+free
222 184 38 9.0 osh-native mut+alloc+free+gc
222 176 46 9.0 osh-native mut+alloc+free+gc+exit
262 179 83 49.3 osh-nosouffle mut+alloc
270 201 70 51.3 osh-nosouffle mut+alloc+free
227 164 63 9.4 osh-nosouffle mut+alloc+free+gc
228 178 50 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 196 83 66.0 _bin/cxx-opt+nopool/osh mut+alloc
252 199 53 10.7 _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 3 6 4.1 dash -
16 8 8 4.8 bash -
15 8 8 3.8 zsh -
18 11 8 13.3 bumpleak/osh mut
18 11 7 14.4 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 8 13 11.5 osh-native mut+alloc+free
20 12 8 9.4 osh-native mut+alloc+free+gc
22 14 8 9.7 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
22 7 16 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 10 14 13.0 _bin/cxx-opt+nopool/osh mut+alloc
24 12 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc