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 34 4 11 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 35 4 10 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 145 27 71 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 152 26 67 45.9 52.1 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,804 180 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 20 0 2 2.8 8.3 572,128 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 224 0 5 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.7 990,273 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 10.0 117,258 277 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 2 1.7 dash -
13 12 1 3.4 bash -
96 54 49 3.5 zsh -
21 15 6 29.5 bumpleak/osh mut
17 11 6 30.7 _bin/cxx-opt+bumproot/osh mut
19 14 6 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 21 5 25.6 osh-native mut+alloc
28 17 11 25.7 osh-native mut+alloc+free
34 24 10 18.2 osh-native mut+alloc+free+gc
36 31 5 18.2 osh-native mut+alloc+free+gc+exit
29 18 11 26.0 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
35 27 8 18.7 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 24 16 32.4 _bin/cxx-opt+nopool/osh mut+alloc
45 29 15 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 38 4 3.4 bash -
325 183 166 3.5 zsh -
45 36 9 86.3 bumpleak/osh mut
50 43 7 85.9 _bin/cxx-opt+bumproot/osh mut
59 43 17 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 54 31 73.5 osh-native mut+alloc
95 66 29 75.6 osh-native mut+alloc+free
145 125 20 51.7 osh-native mut+alloc+free+gc
149 122 27 52.4 osh-native mut+alloc+free+gc+exit
92 52 40 74.1 osh-nosouffle mut+alloc
103 74 29 75.8 osh-nosouffle mut+alloc+free
152 132 20 52.1 osh-nosouffle mut+alloc+free+gc
160 134 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 88 41 99.3 _bin/cxx-opt+nopool/osh mut+alloc
221 185 36 73.0 _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 1 1 1.6 dash -
4 2 2 3.1 bash -
7 4 3 3.5 zsh -
6 5 1 11.2 bumpleak/osh mut
6 3 3 11.5 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 7 1 10.5 osh-native mut+alloc+free
9 8 1 8.8 osh-native mut+alloc+free+gc
10 7 3 8.9 osh-native mut+alloc+free+gc+exit
9 5 3 11.0 osh-nosouffle mut+alloc
9 5 4 11.3 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 6 6 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 10 0 1.6 dash -
31 29 2 3.3 bash -
21 14 7 3.3 zsh -
16 12 5 31.9 bumpleak/osh mut
18 12 6 32.4 _bin/cxx-opt+bumproot/osh mut
21 17 5 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 12 17 26.7 osh-native mut+alloc
31 24 7 27.0 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 17 3 8.1 osh-native mut+alloc+free+gc+exit
34 24 10 27.4 osh-nosouffle mut+alloc
36 19 16 27.5 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc+exit
48 30 18 36.2 _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
103 100 3 3.5 bash -
212 163 49 56.3 bumpleak/osh mut
223 189 34 56.4 _bin/cxx-opt+bumproot/osh mut
243 184 58 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 185 74 48.9 osh-native mut+alloc
269 194 75 50.9 osh-native mut+alloc+free
224 186 38 9.2 osh-native mut+alloc+free+gc
225 171 54 9.2 osh-native mut+alloc+free+gc+exit
265 199 65 49.3 osh-nosouffle mut+alloc
276 195 80 51.4 osh-nosouffle mut+alloc+free
226 183 43 9.7 osh-nosouffle mut+alloc+free+gc
227 172 55 9.7 osh-nosouffle mut+alloc+free+gc+exit
283 209 73 65.5 _bin/cxx-opt+nopool/osh mut+alloc
256 203 53 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 3 6 3.9 dash -
16 7 9 5.0 bash -
16 7 9 4.1 zsh -
19 8 11 13.2 bumpleak/osh mut
18 9 10 12.4 _bin/cxx-opt+bumproot/osh mut
19 9 10 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
21 13 9 9.4 osh-native mut+alloc+free+gc
21 9 13 9.7 osh-native mut+alloc+free+gc+exit
21 10 12 12.1 osh-nosouffle mut+alloc
22 9 14 12.3 osh-nosouffle mut+alloc+free
22 11 12 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 10 13.2 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc