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 18.1 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 22 58 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 141 24 58 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 8.5 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 24 0 1 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 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.7 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,258 277 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 7 0 1.6 dash -
13 13 0 3.4 bash -
90 52 45 3.4 zsh -
16 11 5 29.2 bumpleak/osh mut
16 13 3 29.9 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
32 24 8 18.1 osh-native mut+alloc+free+gc
32 25 8 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 18 12 26.2 osh-nosouffle mut+alloc+free
34 29 5 18.9 osh-nosouffle mut+alloc+free+gc
34 23 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 21 18 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 34 10 22.5 _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 22 1 1.7 dash -
42 41 1 3.4 bash -
326 196 153 3.7 zsh -
45 35 10 84.6 bumpleak/osh mut
48 38 10 86.5 _bin/cxx-opt+bumproot/osh mut
59 49 10 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 50 31 73.5 osh-native mut+alloc
89 57 32 75.5 osh-native mut+alloc+free
133 106 27 51.9 osh-native mut+alloc+free+gc
144 119 25 52.5 osh-native mut+alloc+free+gc+exit
91 61 30 74.2 osh-nosouffle mut+alloc
100 72 28 76.0 osh-nosouffle mut+alloc+free
141 116 25 52.1 osh-nosouffle mut+alloc+free+gc
153 127 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 77 50 99.5 _bin/cxx-opt+nopool/osh mut+alloc
190 159 31 72.3 _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 1.6 dash -
4 3 1 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 12.1 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
7 5 3 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 5 3 10.7 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 3 6 11.0 osh-nosouffle mut+alloc+free
10 5 6 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 10 2 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 -
21 19 2 3.4 zsh -
17 14 3 32.5 bumpleak/osh mut
18 14 4 32.0 _bin/cxx-opt+bumproot/osh mut
20 15 5 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.9 osh-native mut+alloc
30 17 13 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 23 9 27.5 osh-nosouffle mut+alloc
35 22 13 27.7 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
24 23 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 26 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
30 26 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 95 8 3.4 bash -
213 159 54 56.9 bumpleak/osh mut
222 167 55 56.8 _bin/cxx-opt+bumproot/osh mut
237 197 39 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 190 66 48.8 osh-native mut+alloc
261 191 70 50.9 osh-native mut+alloc+free
223 166 57 9.2 osh-native mut+alloc+free+gc
224 167 57 9.2 osh-native mut+alloc+free+gc+exit
262 190 72 49.3 osh-nosouffle mut+alloc
267 208 59 51.3 osh-nosouffle mut+alloc+free
227 181 46 9.7 osh-nosouffle mut+alloc+free+gc
228 181 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
276 197 78 64.8 _bin/cxx-opt+nopool/osh mut+alloc
250 191 58 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 4 3.9 dash -
16 6 11 5.0 bash -
16 7 9 4.1 zsh -
17 12 6 14.2 bumpleak/osh mut
17 8 10 14.4 _bin/cxx-opt+bumproot/osh mut
18 11 8 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
21 12 10 11.8 osh-native mut+alloc+free
20 10 11 9.4 osh-native mut+alloc+free+gc
21 9 13 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 10 13 12.3 osh-nosouffle mut+alloc+free
21 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 14 9 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.2 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc