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 18.5 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 4 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 144 26 70 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 147 24 64 45.9 52.1 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.0 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 1 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 3 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,218 277 3 83,998 1 41,999 osh-nosouffle

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.7 dash -
13 11 1 3.4 bash -
88 48 47 3.5 zsh -
15 11 4 30.4 bumpleak/osh mut
16 14 2 28.9 _bin/cxx-opt+bumproot/osh mut
19 15 4 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.6 osh-native mut+alloc
28 16 11 25.8 osh-native mut+alloc+free
31 26 5 18.5 osh-native mut+alloc+free+gc
34 27 7 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 21 9 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.7 osh-nosouffle mut+alloc+free+gc
36 24 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 21 18 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 33 11 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 1.6 dash -
42 40 2 3.4 bash -
323 190 156 3.5 zsh -
45 39 6 85.6 bumpleak/osh mut
48 38 10 86.0 _bin/cxx-opt+bumproot/osh mut
60 43 16 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 60 24 73.5 osh-native mut+alloc
92 56 36 75.4 osh-native mut+alloc+free
144 120 24 51.7 osh-native mut+alloc+free+gc
142 114 28 52.5 osh-native mut+alloc+free+gc+exit
93 60 33 74.2 osh-nosouffle mut+alloc
102 65 37 76.2 osh-nosouffle mut+alloc+free
147 120 27 52.1 osh-nosouffle mut+alloc+free+gc
148 125 23 52.6 osh-nosouffle mut+alloc+free+gc+exit
126 80 47 99.1 _bin/cxx-opt+nopool/osh mut+alloc
222 187 35 72.8 _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 3 1 3.3 bash -
7 2 4 3.5 zsh -
6 4 3 11.9 bumpleak/osh mut
6 3 3 13.0 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.4 osh-native mut+alloc
8 6 2 10.6 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 1.7 dash -
30 28 2 3.3 bash -
21 19 2 3.4 zsh -
18 13 4 33.4 bumpleak/osh mut
18 14 4 33.7 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 26.9 osh-native mut+alloc
30 17 14 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 1 8.3 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
35 22 13 27.5 osh-nosouffle mut+alloc+free
25 25 0 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.2 _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
103 98 5 3.4 bash -
214 165 49 57.9 bumpleak/osh mut
220 164 56 57.2 _bin/cxx-opt+bumproot/osh mut
238 178 60 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 186 73 48.9 osh-native mut+alloc
265 195 70 50.8 osh-native mut+alloc+free
222 176 46 9.0 osh-native mut+alloc+free+gc
221 171 50 8.9 osh-native mut+alloc+free+gc+exit
264 196 68 49.3 osh-nosouffle mut+alloc
270 192 79 51.1 osh-nosouffle mut+alloc+free
227 166 61 9.6 osh-nosouffle mut+alloc+free+gc
228 181 47 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 199 79 64.8 _bin/cxx-opt+nopool/osh mut+alloc
251 204 47 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 6 4 3.9 dash -
16 8 8 4.8 bash -
15 11 5 3.9 zsh -
17 9 9 12.7 bumpleak/osh mut
19 8 12 13.8 _bin/cxx-opt+bumproot/osh mut
19 10 9 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 10 11.5 osh-native mut+alloc
21 10 11 11.7 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 7 13 12.1 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 11 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc