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 18.2 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 33 3 9 12.0 18.9 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 130 23 57 45.9 51.9 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 139 23 58 45.9 52.1 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 9 1 2 2.6 9.2 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.3 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.7 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,229 277 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 3.4 bash -
89 43 52 3.5 zsh -
15 13 2 29.7 bumpleak/osh mut
16 12 4 30.0 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 16 10 25.4 osh-native mut+alloc
27 15 13 26.0 osh-native mut+alloc+free
32 27 4 18.2 osh-native mut+alloc+free+gc
33 27 6 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 25.8 osh-nosouffle mut+alloc
30 23 6 26.2 osh-nosouffle mut+alloc+free
33 26 7 18.9 osh-nosouffle mut+alloc+free+gc
36 31 5 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 33.2 _bin/cxx-opt+nopool/osh mut+alloc
45 33 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 23 0 1.7 dash -
42 41 1 3.4 bash -
324 181 166 3.5 zsh -
45 37 8 86.0 bumpleak/osh mut
49 41 8 86.1 _bin/cxx-opt+bumproot/osh mut
59 46 13 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.8 osh-native mut+alloc
91 58 33 75.4 osh-native mut+alloc+free
130 100 30 51.9 osh-native mut+alloc+free+gc
134 106 28 52.5 osh-native mut+alloc+free+gc+exit
91 63 28 74.1 osh-nosouffle mut+alloc
104 72 32 75.9 osh-nosouffle mut+alloc+free
139 112 27 52.1 osh-nosouffle mut+alloc+free+gc
146 122 24 52.7 osh-nosouffle mut+alloc+free+gc+exit
123 79 44 97.8 _bin/cxx-opt+nopool/osh mut+alloc
189 144 45 73.8 _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 1.7 dash -
4 4 0 3.3 bash -
6 4 2 3.4 zsh -
6 4 2 12.9 bumpleak/osh mut
6 2 4 11.6 _bin/cxx-opt+bumproot/osh mut
6 3 4 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 1 7 10.5 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
8 4 5 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.7 _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 9 0 1.6 dash -
30 29 1 3.3 bash -
21 14 7 3.4 zsh -
17 14 3 31.8 bumpleak/osh mut
17 12 5 33.7 _bin/cxx-opt+bumproot/osh mut
21 14 7 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
29 18 12 27.1 osh-native mut+alloc+free
19 16 4 8.3 osh-native mut+alloc+free+gc
20 16 4 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
24 22 3 8.7 osh-nosouffle mut+alloc+free+gc
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 24 21 36.5 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
104 101 3 3.5 bash -
212 153 60 56.6 bumpleak/osh mut
222 171 51 56.8 _bin/cxx-opt+bumproot/osh mut
235 175 60 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 185 70 48.8 osh-native mut+alloc
262 190 72 50.7 osh-native mut+alloc+free
221 171 50 9.2 osh-native mut+alloc+free+gc
220 175 45 9.0 osh-native mut+alloc+free+gc+exit
260 173 87 49.3 osh-nosouffle mut+alloc
269 205 64 51.3 osh-nosouffle mut+alloc+free
227 168 58 9.7 osh-nosouffle mut+alloc+free+gc
225 177 48 9.8 osh-nosouffle mut+alloc+free+gc+exit
280 212 68 64.3 _bin/cxx-opt+nopool/osh mut+alloc
251 195 56 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 3 7 3.9 dash -
16 8 8 4.8 bash -
15 6 10 3.8 zsh -
17 9 8 12.6 bumpleak/osh mut
17 9 9 12.8 _bin/cxx-opt+bumproot/osh mut
18 8 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.7 osh-native mut+alloc
20 8 13 11.7 osh-native mut+alloc+free
20 11 9 9.3 osh-native mut+alloc+free+gc
20 9 12 9.4 osh-native mut+alloc+free+gc+exit
20 9 12 12.1 osh-nosouffle mut+alloc
21 10 12 12.2 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 12 11 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc