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 4 10 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 4 10 12.0 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 133 23 57 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 23 60 45.9 52.4 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 19 0 1 2.8 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 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 229 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 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 3.4 bash -
91 46 52 3.5 zsh -
15 11 4 29.9 bumpleak/osh mut
16 11 5 28.9 _bin/cxx-opt+bumproot/osh mut
19 12 8 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 18 7 25.4 osh-native mut+alloc
27 16 11 25.8 osh-native mut+alloc+free
31 22 9 18.4 osh-native mut+alloc+free+gc
32 29 2 18.4 osh-native mut+alloc+free+gc+exit
28 17 11 26.0 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
36 30 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 35 10 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 22 1 1.7 dash -
42 40 2 3.4 bash -
330 193 159 3.7 zsh -
45 36 9 85.7 bumpleak/osh mut
48 40 8 85.2 _bin/cxx-opt+bumproot/osh mut
60 47 13 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 62 21 73.7 osh-native mut+alloc
92 49 43 75.4 osh-native mut+alloc+free
133 106 27 51.7 osh-native mut+alloc+free+gc
136 122 14 52.5 osh-native mut+alloc+free+gc+exit
93 59 34 74.2 osh-nosouffle mut+alloc
104 59 45 76.2 osh-nosouffle mut+alloc+free
143 116 27 52.4 osh-nosouffle mut+alloc+free+gc
150 121 29 52.8 osh-nosouffle mut+alloc+free+gc+exit
128 76 51 98.1 _bin/cxx-opt+nopool/osh mut+alloc
194 161 34 72.1 _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 1.6 dash -
4 4 0 3.1 bash -
6 4 2 3.3 zsh -
6 2 4 11.8 bumpleak/osh mut
6 4 2 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 1 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 10.9 osh-nosouffle mut+alloc
9 5 4 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 11 1 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 10 0 1.4 dash -
31 30 1 3.3 bash -
21 16 5 3.4 zsh -
17 14 3 33.0 bumpleak/osh mut
18 15 3 33.3 _bin/cxx-opt+bumproot/osh mut
21 16 5 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 19 9 26.9 osh-native mut+alloc
29 19 10 27.1 osh-native mut+alloc+free
19 16 3 8.3 osh-native mut+alloc+free+gc
19 16 3 8.1 osh-native mut+alloc+free+gc+exit
33 25 8 27.4 osh-nosouffle mut+alloc
35 25 10 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
25 22 3 8.9 osh-nosouffle mut+alloc+free+gc+exit
45 29 16 36.6 _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
106 103 3 3.4 bash -
212 151 61 57.3 bumpleak/osh mut
221 176 45 57.9 _bin/cxx-opt+bumproot/osh mut
239 167 72 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 187 74 48.8 osh-native mut+alloc
265 193 72 50.7 osh-native mut+alloc+free
223 178 45 9.2 osh-native mut+alloc+free+gc
222 171 51 9.2 osh-native mut+alloc+free+gc+exit
264 193 71 49.2 osh-nosouffle mut+alloc
270 188 82 51.4 osh-nosouffle mut+alloc+free
229 168 61 9.6 osh-nosouffle mut+alloc+free+gc
229 188 41 9.7 osh-nosouffle mut+alloc+free+gc+exit
277 206 71 64.4 _bin/cxx-opt+nopool/osh mut+alloc
253 205 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 3 6 4.1 dash -
16 6 10 4.8 bash -
18 7 11 4.1 zsh -
20 8 13 12.9 bumpleak/osh mut
18 7 12 12.6 _bin/cxx-opt+bumproot/osh mut
19 7 13 14.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.4 osh-native mut+alloc
21 5 16 11.8 osh-native mut+alloc+free
20 8 13 9.4 osh-native mut+alloc+free+gc
21 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 5 16 12.1 osh-nosouffle mut+alloc
21 10 12 12.2 osh-nosouffle mut+alloc+free
21 11 10 10.0 osh-nosouffle mut+alloc+free+gc
22 13 10 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc