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 35 5 12 12.0 18.4 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 39 5 13 12.0 18.9 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 143 26 68 45.9 51.7 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 150 26 67 45.9 52.4 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,799 180 3 86,644 1 43,322 osh-native
parse.abuild 10 1 2 2.6 9.0 102,799 180 3 86,652 1 43,326 osh-nosouffle
ex.compute-fib 20 0 2 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 221 0 4 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.8 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 24 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 7 0 1.7 dash -
13 12 1 3.3 bash -
92 47 51 3.4 zsh -
16 11 5 30.1 bumpleak/osh mut
16 12 4 29.8 _bin/cxx-opt+bumproot/osh mut
19 15 4 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 14 12 25.4 osh-native mut+alloc
29 19 10 25.8 osh-native mut+alloc+free
35 28 7 18.4 osh-native mut+alloc+free+gc
35 32 3 18.2 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
32 20 11 26.2 osh-nosouffle mut+alloc+free
39 31 8 18.9 osh-nosouffle mut+alloc+free+gc
37 28 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 29 12 32.6 _bin/cxx-opt+nopool/osh mut+alloc
53 41 12 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 40 2 3.4 bash -
332 197 158 3.7 zsh -
46 36 10 85.4 bumpleak/osh mut
49 40 9 86.6 _bin/cxx-opt+bumproot/osh mut
60 47 13 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 33 73.9 osh-native mut+alloc
93 64 29 75.6 osh-native mut+alloc+free
143 118 25 51.7 osh-native mut+alloc+free+gc
144 117 27 52.4 osh-native mut+alloc+free+gc+exit
93 59 35 74.2 osh-nosouffle mut+alloc
101 60 41 76.0 osh-nosouffle mut+alloc+free
150 125 26 52.4 osh-nosouffle mut+alloc+free+gc
156 142 14 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 81 47 98.6 _bin/cxx-opt+nopool/osh mut+alloc
217 185 32 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 1.6 dash -
4 3 1 3.1 bash -
7 5 1 3.3 zsh -
6 4 3 12.1 bumpleak/osh mut
7 4 3 11.9 _bin/cxx-opt+bumproot/osh mut
8 3 4 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.6 osh-native mut+alloc
8 7 2 10.7 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 12.0 _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
9 9 0 1.6 dash -
31 30 1 3.3 bash -
21 17 4 3.3 zsh -
18 11 7 33.0 bumpleak/osh mut
19 17 2 32.7 _bin/cxx-opt+bumproot/osh mut
21 17 4 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 11 17 26.9 osh-native mut+alloc
31 22 9 27.1 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.4 osh-nosouffle mut+alloc
37 28 9 27.4 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc+exit
47 30 17 36.2 _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
105 101 4 3.4 bash -
211 154 57 57.2 bumpleak/osh mut
222 159 63 56.5 _bin/cxx-opt+bumproot/osh mut
240 192 48 58.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 189 67 48.9 osh-native mut+alloc
269 207 62 50.7 osh-native mut+alloc+free
221 169 52 9.2 osh-native mut+alloc+free+gc
222 163 60 9.0 osh-native mut+alloc+free+gc+exit
263 195 68 49.1 osh-nosouffle mut+alloc
271 218 53 51.1 osh-nosouffle mut+alloc+free
226 180 46 9.8 osh-nosouffle mut+alloc+free+gc
229 175 54 9.7 osh-nosouffle mut+alloc+free+gc+exit
290 211 78 64.2 _bin/cxx-opt+nopool/osh mut+alloc
253 204 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 5 3.9 dash -
16 7 9 4.7 bash -
16 6 10 3.9 zsh -
19 7 13 13.4 bumpleak/osh mut
18 6 13 12.4 _bin/cxx-opt+bumproot/osh mut
19 8 12 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 9 11 11.4 osh-native mut+alloc
21 13 9 11.7 osh-native mut+alloc+free
21 12 10 9.6 osh-native mut+alloc+free+gc
21 9 13 9.6 osh-native mut+alloc+free+gc+exit
21 8 14 12.2 osh-nosouffle mut+alloc
22 8 15 12.3 osh-nosouffle mut+alloc+free
24 9 14 10.0 osh-nosouffle mut+alloc+free+gc
23 12 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 7 16 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc