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 33 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 5 12 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 137 25 63 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 26 66 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 9.0 102,804 180 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 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 3 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.8 990,273 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 10.0 117,234 277 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
7 6 1 1.7 dash -
13 12 1 3.4 bash -
94 61 41 3.5 zsh -
15 12 3 30.4 bumpleak/osh mut
16 14 2 29.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.4 osh-native mut+alloc
28 16 13 26.1 osh-native mut+alloc+free
33 27 6 18.2 osh-native mut+alloc+free+gc
34 25 9 18.5 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
31 17 14 26.2 osh-nosouffle mut+alloc+free
38 32 6 18.7 osh-nosouffle mut+alloc+free+gc
37 31 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 29 10 32.3 _bin/cxx-opt+nopool/osh mut+alloc
47 36 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 -
43 42 1 3.5 bash -
344 187 181 3.7 zsh -
45 34 11 85.8 bumpleak/osh mut
48 38 11 86.1 _bin/cxx-opt+bumproot/osh mut
59 45 14 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 51 33 73.8 osh-native mut+alloc
92 64 28 75.5 osh-native mut+alloc+free
137 115 22 51.7 osh-native mut+alloc+free+gc
148 123 25 52.4 osh-native mut+alloc+free+gc+exit
92 60 32 74.1 osh-nosouffle mut+alloc
102 69 33 75.9 osh-nosouffle mut+alloc+free
152 125 27 52.1 osh-nosouffle mut+alloc+free+gc
166 143 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 87 40 98.7 _bin/cxx-opt+nopool/osh mut+alloc
208 178 30 71.8 _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 2 1 3.1 bash -
7 6 1 3.3 zsh -
6 5 1 12.5 bumpleak/osh mut
6 3 3 12.0 _bin/cxx-opt+bumproot/osh mut
8 5 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
9 5 4 10.7 osh-native mut+alloc+free
9 5 4 8.7 osh-native mut+alloc+free+gc
10 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 8 1 11.0 osh-nosouffle mut+alloc+free
10 9 1 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 9 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
13 11 2 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 1.4 dash -
31 31 0 3.3 bash -
21 17 4 3.5 zsh -
17 10 7 32.2 bumpleak/osh mut
18 13 5 35.6 _bin/cxx-opt+bumproot/osh mut
22 15 6 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 15 26.7 osh-native mut+alloc
31 22 9 27.3 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
34 26 8 27.4 osh-nosouffle mut+alloc
37 27 10 27.7 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 23 23 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.7 _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
104 103 1 3.4 bash -
213 154 59 57.1 bumpleak/osh mut
222 169 53 57.5 _bin/cxx-opt+bumproot/osh mut
242 185 57 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 192 69 48.8 osh-native mut+alloc
266 188 78 50.7 osh-native mut+alloc+free
223 174 49 9.0 osh-native mut+alloc+free+gc
227 184 43 9.2 osh-native mut+alloc+free+gc+exit
261 196 65 49.4 osh-nosouffle mut+alloc
269 190 79 51.3 osh-nosouffle mut+alloc+free
228 182 46 9.8 osh-nosouffle mut+alloc+free+gc
230 188 42 9.8 osh-nosouffle mut+alloc+free+gc+exit
282 210 72 65.1 _bin/cxx-opt+nopool/osh mut+alloc
252 202 50 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 6 4 4.1 dash -
17 10 8 4.7 bash -
16 8 9 3.9 zsh -
18 9 9 13.9 bumpleak/osh mut
18 7 12 12.8 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
20 14 7 9.6 osh-native mut+alloc+free+gc
21 14 8 9.6 osh-native mut+alloc+free+gc+exit
22 9 13 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 11 11 10.0 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 6 19 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 10 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc