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 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 143 26 69 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 10 1 2 2.6 8.7 102,804 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.3 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 21 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 231 0 4 11.6 9.6 990,273 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 22 1 2 3.0 10.1 117,258 277 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 5 1 1.6 dash -
13 12 1 3.3 bash -
92 54 45 3.5 zsh -
16 12 4 28.9 bumpleak/osh mut
16 12 5 30.7 _bin/cxx-opt+bumproot/osh mut
19 16 3 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 8 25.4 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
32 27 5 18.2 osh-native mut+alloc+free+gc
34 27 7 18.4 osh-native mut+alloc+free+gc+exit
29 19 10 26.0 osh-nosouffle mut+alloc
31 19 12 26.3 osh-nosouffle mut+alloc+free
35 29 6 18.6 osh-nosouffle mut+alloc+free+gc
36 27 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 27 12 33.5 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 23 0 1.6 dash -
42 41 1 3.5 bash -
338 188 174 3.7 zsh -
46 37 8 86.5 bumpleak/osh mut
48 39 10 85.2 _bin/cxx-opt+bumproot/osh mut
59 49 10 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.8 osh-native mut+alloc
92 55 37 75.6 osh-native mut+alloc+free
143 117 26 51.9 osh-native mut+alloc+free+gc
150 129 21 52.5 osh-native mut+alloc+free+gc+exit
92 53 39 74.1 osh-nosouffle mut+alloc
100 62 38 75.9 osh-nosouffle mut+alloc+free
152 128 24 52.1 osh-nosouffle mut+alloc+free+gc
156 127 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 79 48 98.0 _bin/cxx-opt+nopool/osh mut+alloc
215 181 34 73.2 _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 1.7 dash -
4 3 1 3.1 bash -
7 4 3 3.4 zsh -
6 2 4 11.3 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
7 3 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 4 5 10.7 osh-native mut+alloc+free
10 6 4 8.7 osh-native mut+alloc+free+gc
10 6 4 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
10 3 7 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 11 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 14 8 3.4 zsh -
17 10 7 32.3 bumpleak/osh mut
19 13 6 33.5 _bin/cxx-opt+bumproot/osh mut
21 16 5 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 17 12 26.7 osh-native mut+alloc
30 22 8 27.1 osh-native mut+alloc+free
21 17 4 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
34 19 15 27.3 osh-nosouffle mut+alloc
35 27 9 27.5 osh-nosouffle mut+alloc+free
25 21 4 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 28 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
104 99 5 3.5 bash -
215 167 48 56.4 bumpleak/osh mut
221 178 43 57.6 _bin/cxx-opt+bumproot/osh mut
243 181 62 57.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 184 73 48.8 osh-native mut+alloc
270 201 69 50.7 osh-native mut+alloc+free
223 172 51 9.0 osh-native mut+alloc+free+gc
223 172 51 9.0 osh-native mut+alloc+free+gc+exit
265 187 78 49.4 osh-nosouffle mut+alloc
266 192 74 51.4 osh-nosouffle mut+alloc+free
231 183 48 9.6 osh-nosouffle mut+alloc+free+gc
229 189 40 9.6 osh-nosouffle mut+alloc+free+gc+exit
279 202 78 65.5 _bin/cxx-opt+nopool/osh mut+alloc
252 204 48 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 5 4 3.9 dash -
16 8 8 4.6 bash -
16 6 10 3.8 zsh -
19 9 10 13.4 bumpleak/osh mut
18 7 11 12.6 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.5 osh-native mut+alloc
21 7 14 11.8 osh-native mut+alloc+free
20 11 10 9.4 osh-native mut+alloc+free+gc
21 12 10 9.8 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc
22 17 6 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 10 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc