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 18.4 471,276 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 147 25 71 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 24 67 45.9 52.3 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 8.1 572,128 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 221 0 4 11.6 9.3 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 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 9.4 117,259 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.2 117,258 277 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
6 6 1 1.6 dash -
13 12 1 3.3 bash -
91 50 48 3.4 zsh -
15 11 4 29.6 bumpleak/osh mut
16 12 4 30.2 _bin/cxx-opt+bumproot/osh mut
20 14 5 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.4 osh-native mut+alloc
28 18 10 26.0 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
33 27 5 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
31 22 9 26.5 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 17 32.5 _bin/cxx-opt+nopool/osh mut+alloc
46 39 7 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 1.6 dash -
42 40 2 3.4 bash -
328 195 158 3.7 zsh -
45 36 9 84.5 bumpleak/osh mut
49 38 11 85.3 _bin/cxx-opt+bumproot/osh mut
59 42 17 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 47 36 73.5 osh-native mut+alloc
91 51 40 75.4 osh-native mut+alloc+free
147 125 22 51.7 osh-native mut+alloc+free+gc
146 124 22 52.3 osh-native mut+alloc+free+gc+exit
93 70 23 74.2 osh-nosouffle mut+alloc
101 77 23 75.9 osh-nosouffle mut+alloc+free
152 129 23 52.3 osh-nosouffle mut+alloc+free+gc
161 135 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
126 86 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
204 176 28 74.5 _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 1.8 dash -
4 3 1 3.1 bash -
7 5 2 3.4 zsh -
6 2 4 13.1 bumpleak/osh mut
6 3 3 13.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 4 4 10.7 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 5 11.9 _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 9 1 1.4 dash -
31 29 2 3.3 bash -
21 14 7 3.4 zsh -
20 16 4 31.9 bumpleak/osh mut
18 16 2 33.6 _bin/cxx-opt+bumproot/osh mut
22 13 9 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 16 12 26.9 osh-native mut+alloc
31 18 13 27.0 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
35 23 12 27.3 osh-nosouffle mut+alloc
35 20 15 27.6 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 20 5 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 25 22 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 24 5 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
104 103 1 3.5 bash -
212 162 50 56.8 bumpleak/osh mut
221 172 50 56.0 _bin/cxx-opt+bumproot/osh mut
239 177 61 57.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
256 200 56 48.8 osh-native mut+alloc
264 194 70 50.7 osh-native mut+alloc+free
221 165 56 9.3 osh-native mut+alloc+free+gc
223 172 51 9.0 osh-native mut+alloc+free+gc+exit
268 197 71 49.4 osh-nosouffle mut+alloc
269 189 80 51.3 osh-nosouffle mut+alloc+free
228 181 47 9.6 osh-nosouffle mut+alloc+free+gc
229 181 48 9.7 osh-nosouffle mut+alloc+free+gc+exit
279 197 82 65.3 _bin/cxx-opt+nopool/osh mut+alloc
250 197 53 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 5 3.9 dash -
16 9 7 4.7 bash -
19 11 9 3.9 zsh -
19 11 9 13.3 bumpleak/osh mut
19 7 12 12.8 _bin/cxx-opt+bumproot/osh mut
24 8 16 14.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 14 7 11.7 osh-native mut+alloc+free
21 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
22 13 9 10.2 osh-nosouffle mut+alloc+free+gc
22 15 8 10.1 osh-nosouffle mut+alloc+free+gc+exit
27 13 15 12.8 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc