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 37 7 14 12.0 18.4 471,271 1,282 6 413,158 5 206,579 osh-native
parse.configure-cpython 41 7 15 12.0 18.7 471,271 1,282 6 413,166 5 206,583 osh-nosouffle
parse.configure-coreutils 182 38 103 45.9 51.6 1,638,010 4,764 12 1,056,656 6 787,849 osh-native
parse.configure-coreutils 181 31 94 45.9 52.1 1,638,009 4,764 12 1,056,664 6 787,853 osh-nosouffle
parse.abuild 10 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 21 0 2 2.8 8.1 572,123 22,608 12 50,000 0 2,990 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,123 22,608 12 50,000 0 2,994 osh-nosouffle
ex.bashcomp-parse-help 234 0 6 11.6 9.2 990,269 15,258 21 50,000 0 3,967 osh-native
ex.bashcomp-parse-help 240 0 7 11.6 9.4 990,268 15,258 21 50,000 0 3,973 osh-nosouffle
ex.abuild-print-help 22 1 2 3.0 9.4 117,230 277 3 84,006 1 42,003 osh-native
ex.abuild-print-help 23 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 6 1 1.6 dash -
13 11 2 3.3 bash -
95 48 54 3.5 zsh -
16 11 6 30.7 bumpleak/osh mut
18 11 7 28.6 _bin/cxx-opt+bumproot/osh mut
20 14 6 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 13 25.6 osh-native mut+alloc
28 15 13 25.8 osh-native mut+alloc+free
37 29 8 18.4 osh-native mut+alloc+free+gc
41 30 11 18.4 osh-native mut+alloc+free+gc+exit
29 19 10 25.8 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
41 27 14 18.7 osh-nosouffle mut+alloc+free+gc
47 37 10 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 32.2 _bin/cxx-opt+nopool/osh mut+alloc
58 48 10 22.8 _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 21 2 1.6 dash -
43 42 1 3.5 bash -
331 176 178 3.7 zsh -
47 39 8 86.3 bumpleak/osh mut
51 43 8 85.2 _bin/cxx-opt+bumproot/osh mut
60 48 12 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 52 30 73.7 osh-native mut+alloc
95 59 36 75.5 osh-native mut+alloc+free
182 152 30 51.6 osh-native mut+alloc+free+gc
191 162 29 52.4 osh-native mut+alloc+free+gc+exit
93 55 37 74.2 osh-nosouffle mut+alloc
102 70 32 75.9 osh-nosouffle mut+alloc+free
181 156 25 52.1 osh-nosouffle mut+alloc+free+gc
211 182 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 77 49 99.1 _bin/cxx-opt+nopool/osh mut+alloc
232 200 32 72.0 _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 3.1 bash -
7 4 2 3.3 zsh -
7 5 2 12.5 bumpleak/osh mut
7 6 1 13.2 _bin/cxx-opt+bumproot/osh mut
8 5 3 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 9 0 10.6 osh-native mut+alloc+free
10 6 4 8.7 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.1 osh-nosouffle mut+alloc
10 5 4 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
11 7 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 1 10 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 10 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
10 9 1 1.6 dash -
31 30 1 3.3 bash -
22 20 2 3.3 zsh -
17 14 3 32.2 bumpleak/osh mut
19 13 6 32.7 _bin/cxx-opt+bumproot/osh mut
22 16 6 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 23 6 26.9 osh-native mut+alloc
32 21 11 27.1 osh-native mut+alloc+free
21 20 1 8.1 osh-native mut+alloc+free+gc
20 16 4 8.4 osh-native mut+alloc+free+gc+exit
34 22 12 27.3 osh-nosouffle mut+alloc
39 26 13 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
26 21 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 26 20 36.2 _bin/cxx-opt+nopool/osh mut+alloc
33 29 4 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
103 100 3 3.4 bash -
215 160 55 57.6 bumpleak/osh mut
222 171 51 58.0 _bin/cxx-opt+bumproot/osh mut
246 182 64 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 191 66 48.9 osh-native mut+alloc
273 193 80 50.9 osh-native mut+alloc+free
234 189 45 9.2 osh-native mut+alloc+free+gc
234 176 58 9.0 osh-native mut+alloc+free+gc+exit
267 201 66 49.3 osh-nosouffle mut+alloc
282 218 63 51.3 osh-nosouffle mut+alloc+free
240 180 60 9.4 osh-nosouffle mut+alloc+free+gc
234 194 40 9.4 osh-nosouffle mut+alloc+free+gc+exit
280 207 73 65.7 _bin/cxx-opt+nopool/osh mut+alloc
293 245 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 5 5 4.1 dash -
17 8 9 4.7 bash -
16 4 13 3.9 zsh -
20 10 11 13.3 bumpleak/osh mut
19 7 13 13.0 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 9 13 11.5 osh-native mut+alloc
21 7 15 11.8 osh-native mut+alloc+free
22 11 11 9.4 osh-native mut+alloc+free+gc
23 10 13 9.6 osh-native mut+alloc+free+gc+exit
22 7 16 12.1 osh-nosouffle mut+alloc
24 13 11 12.3 osh-nosouffle mut+alloc+free
23 11 13 10.1 osh-nosouffle mut+alloc+free+gc
24 13 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 15 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc