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 31 3 9 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 135 24 61 45.9 51.9 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 26 68 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 9.0 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 22 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 233 0 5 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 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 11 2 3.3 bash -
91 59 38 3.5 zsh -
15 10 5 29.8 bumpleak/osh mut
17 13 4 29.4 _bin/cxx-opt+bumproot/osh mut
19 12 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 11 15 25.7 osh-native mut+alloc
27 14 13 25.8 osh-native mut+alloc+free
31 23 8 18.2 osh-native mut+alloc+free+gc
34 27 7 18.4 osh-native mut+alloc+free+gc+exit
28 15 13 26.1 osh-nosouffle mut+alloc
30 20 10 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 25 14 32.6 _bin/cxx-opt+nopool/osh mut+alloc
45 36 8 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 22 1 1.7 dash -
43 42 1 3.4 bash -
328 177 175 3.8 zsh -
46 36 10 84.8 bumpleak/osh mut
49 40 8 85.6 _bin/cxx-opt+bumproot/osh mut
59 43 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 54 31 73.7 osh-native mut+alloc
92 58 34 75.5 osh-native mut+alloc+free
135 115 20 51.9 osh-native mut+alloc+free+gc
140 120 20 52.4 osh-native mut+alloc+free+gc+exit
93 69 24 74.2 osh-nosouffle mut+alloc
101 69 32 75.9 osh-nosouffle mut+alloc+free
152 124 27 52.1 osh-nosouffle mut+alloc+free+gc
154 128 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 87 39 97.7 _bin/cxx-opt+nopool/osh mut+alloc
203 176 27 72.9 _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 3 1 3.3 bash -
7 3 4 3.4 zsh -
6 4 2 13.0 bumpleak/osh mut
6 4 2 11.3 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 8 1 8.5 osh-native mut+alloc+free+gc
9 8 1 8.8 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 9.4 _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 1.4 dash -
31 30 1 3.3 bash -
39 28 11 3.4 zsh -
17 12 5 32.1 bumpleak/osh mut
18 14 4 33.8 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 13 26.9 osh-native mut+alloc
32 23 9 27.1 osh-native mut+alloc+free
22 19 3 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 20 14 27.3 osh-nosouffle mut+alloc
37 23 14 27.7 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 27 20 36.4 _bin/cxx-opt+nopool/osh mut+alloc
30 29 1 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 98 5 3.5 bash -
214 165 49 56.3 bumpleak/osh mut
222 169 53 57.0 _bin/cxx-opt+bumproot/osh mut
239 176 63 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
257 182 75 48.8 osh-native mut+alloc
265 199 66 50.7 osh-native mut+alloc+free
225 172 53 9.0 osh-native mut+alloc+free+gc
223 168 55 9.0 osh-native mut+alloc+free+gc+exit
264 189 75 49.3 osh-nosouffle mut+alloc
274 203 71 51.1 osh-nosouffle mut+alloc+free
233 186 47 9.6 osh-nosouffle mut+alloc+free+gc
233 186 47 9.8 osh-nosouffle mut+alloc+free+gc+exit
279 191 88 65.3 _bin/cxx-opt+nopool/osh mut+alloc
250 209 41 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 6 4.1 dash -
16 8 9 5.0 bash -
16 5 12 4.1 zsh -
19 11 9 13.4 bumpleak/osh mut
19 13 7 13.4 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.5 osh-native mut+alloc
21 9 12 11.7 osh-native mut+alloc+free
21 9 12 9.6 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
21 10 11 12.2 osh-nosouffle mut+alloc
23 12 11 12.2 osh-nosouffle mut+alloc+free
23 15 9 10.0 osh-nosouffle mut+alloc+free+gc
24 9 16 10.1 osh-nosouffle mut+alloc+free+gc+exit
24 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc