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 36 6 13 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 40 7 14 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 160 29 83 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 163 28 78 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.4 572,128 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 229 0 6 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 235 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 9.4 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 23 1 2 3.0 10.1 117,234 277 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 7 0 1.8 dash -
13 12 1 3.4 bash -
91 49 49 3.5 zsh -
15 11 4 29.6 bumpleak/osh mut
17 11 6 29.2 _bin/cxx-opt+bumproot/osh mut
20 13 7 30.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 14 25.3 osh-native mut+alloc
28 16 12 26.0 osh-native mut+alloc+free
36 29 7 18.2 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
29 16 13 26.0 osh-nosouffle mut+alloc
31 17 14 26.2 osh-nosouffle mut+alloc+free
40 31 9 18.7 osh-nosouffle mut+alloc+free+gc
39 32 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 30 9 32.8 _bin/cxx-opt+nopool/osh mut+alloc
51 41 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 23 0 1.8 dash -
43 40 3 3.5 bash -
337 195 166 3.8 zsh -
45 34 11 85.8 bumpleak/osh mut
50 40 9 86.6 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 54 30 73.7 osh-native mut+alloc
93 57 36 75.5 osh-native mut+alloc+free
160 135 25 51.7 osh-native mut+alloc+free+gc
161 141 19 52.4 osh-native mut+alloc+free+gc+exit
93 54 39 74.2 osh-nosouffle mut+alloc
103 61 42 75.8 osh-nosouffle mut+alloc+free
163 143 20 52.1 osh-nosouffle mut+alloc+free+gc
173 151 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
126 88 38 98.3 _bin/cxx-opt+nopool/osh mut+alloc
239 209 30 74.0 _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 1.8 dash -
4 2 2 3.1 bash -
7 4 3 3.4 zsh -
7 4 3 12.5 bumpleak/osh mut
7 4 3 12.2 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.5 osh-native mut+alloc
9 4 5 10.6 osh-native mut+alloc+free
10 4 5 8.7 osh-native mut+alloc+free+gc
10 5 5 8.8 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.6 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 10 0 1.6 dash -
30 29 1 3.3 bash -
21 15 6 3.3 zsh -
17 11 7 33.0 bumpleak/osh mut
18 13 5 32.4 _bin/cxx-opt+bumproot/osh mut
22 17 4 34.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.7 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 16 5 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
35 24 11 27.3 osh-nosouffle mut+alloc
36 27 9 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 28 18 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 10.0 _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
106 101 4 3.5 bash -
212 153 59 57.3 bumpleak/osh mut
222 178 44 57.8 _bin/cxx-opt+bumproot/osh mut
241 196 44 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 187 71 48.9 osh-native mut+alloc
270 206 64 50.9 osh-native mut+alloc+free
229 167 62 9.0 osh-native mut+alloc+free+gc
231 171 60 9.0 osh-native mut+alloc+free+gc+exit
265 213 52 49.4 osh-nosouffle mut+alloc
274 203 71 51.3 osh-nosouffle mut+alloc+free
235 185 51 9.6 osh-nosouffle mut+alloc+free+gc
232 186 46 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 194 86 65.7 _bin/cxx-opt+nopool/osh mut+alloc
266 218 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 7 3.8 dash -
16 8 8 4.8 bash -
16 8 8 3.9 zsh -
19 5 14 13.3 bumpleak/osh mut
19 7 13 13.3 _bin/cxx-opt+bumproot/osh mut
20 10 10 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.7 osh-native mut+alloc
21 11 11 11.8 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
22 10 12 9.4 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 12 11 12.3 osh-nosouffle mut+alloc+free
23 14 10 10.1 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 9 16 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc