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 35 6 12 12.0 18.0 471,252 1,282 6 413,132 5 206,566 osh-native
parse.configure-cpython 36 4 10 12.0 18.7 471,252 1,282 6 413,140 5 206,570 osh-nosouffle
parse.configure-coreutils 168 31 89 45.9 51.7 1,637,991 4,764 12 1,056,630 6 787,836 osh-native
parse.configure-coreutils 166 31 82 45.9 52.1 1,637,990 4,764 12 1,056,638 6 787,840 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,780 180 3 86,618 1 43,309 osh-native
parse.abuild 10 1 2 2.6 9.0 102,780 180 3 86,626 1 43,313 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,104 22,608 12 50,000 0 2,977 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,104 22,608 12 50,000 0 2,981 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 8.9 990,250 15,258 21 50,000 0 3,957 osh-native
ex.bashcomp-parse-help 228 0 4 11.6 9.6 990,249 15,258 21 50,000 0 3,966 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,208 277 3 83,980 1 41,990 osh-native
ex.abuild-print-help 22 1 2 3.0 10.0 117,207 277 3 83,988 1 41,994 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 13 0 3.3 bash -
92 50 49 3.5 zsh -
16 11 5 28.7 bumpleak/osh mut
17 14 3 29.8 _bin/cxx-opt+bumproot/osh mut
20 17 3 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 17 9 25.4 osh-native mut+alloc
28 17 12 25.7 osh-native mut+alloc+free
35 29 6 18.0 osh-native mut+alloc+free+gc
35 29 6 18.4 osh-native mut+alloc+free+gc+exit
29 17 11 26.0 osh-nosouffle mut+alloc
31 23 8 26.5 osh-nosouffle mut+alloc+free
36 30 5 18.7 osh-nosouffle mut+alloc+free+gc
37 28 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 26 14 33.7 _bin/cxx-opt+nopool/osh mut+alloc
49 43 6 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 1.7 dash -
42 41 1 3.4 bash -
335 199 160 3.7 zsh -
45 39 6 86.1 bumpleak/osh mut
49 42 7 85.0 _bin/cxx-opt+bumproot/osh mut
59 50 9 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.7 osh-native mut+alloc
95 60 35 75.6 osh-native mut+alloc+free
168 147 21 51.7 osh-native mut+alloc+free+gc
167 140 27 52.2 osh-native mut+alloc+free+gc+exit
92 59 33 74.1 osh-nosouffle mut+alloc
101 67 34 75.8 osh-nosouffle mut+alloc+free
166 142 24 52.1 osh-nosouffle mut+alloc+free+gc
174 148 26 52.8 osh-nosouffle mut+alloc+free+gc+exit
129 82 47 99.0 _bin/cxx-opt+nopool/osh mut+alloc
206 183 23 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 1.7 dash -
4 2 1 3.3 bash -
7 5 2 3.5 zsh -
7 6 1 12.3 bumpleak/osh mut
7 6 1 12.4 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
9 8 1 10.7 osh-native mut+alloc+free
9 9 1 8.8 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 4 5 11.1 osh-nosouffle mut+alloc+free
10 8 2 9.0 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 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
9 9 0 1.4 dash -
30 29 1 3.3 bash -
21 18 3 3.4 zsh -
17 14 3 32.4 bumpleak/osh mut
19 14 5 33.3 _bin/cxx-opt+bumproot/osh mut
21 17 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
31 21 10 27.0 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
21 19 2 8.3 osh-native mut+alloc+free+gc+exit
33 23 10 27.1 osh-nosouffle mut+alloc
36 23 13 27.6 osh-nosouffle mut+alloc+free
25 24 1 8.5 osh-nosouffle mut+alloc+free+gc
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 29 18 36.3 _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
104 101 3 3.4 bash -
213 162 51 56.9 bumpleak/osh mut
223 177 45 57.5 _bin/cxx-opt+bumproot/osh mut
243 183 60 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 185 73 48.8 osh-native mut+alloc
267 210 57 50.7 osh-native mut+alloc+free
225 168 57 8.9 osh-native mut+alloc+free+gc
225 186 39 9.0 osh-native mut+alloc+free+gc+exit
265 190 75 49.3 osh-nosouffle mut+alloc
273 216 57 51.5 osh-nosouffle mut+alloc+free
228 187 41 9.6 osh-nosouffle mut+alloc+free+gc
230 183 47 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 207 75 65.0 _bin/cxx-opt+nopool/osh mut+alloc
253 208 45 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 10 7 5.0 bash -
16 7 10 3.9 zsh -
19 8 11 13.1 bumpleak/osh mut
20 10 10 13.8 _bin/cxx-opt+bumproot/osh mut
19 13 7 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 11.5 osh-native mut+alloc
22 9 13 11.7 osh-native mut+alloc+free
21 14 8 9.6 osh-native mut+alloc+free+gc
22 12 10 9.4 osh-native mut+alloc+free+gc+exit
21 12 10 11.9 osh-nosouffle mut+alloc
22 7 16 12.2 osh-nosouffle mut+alloc+free
22 16 7 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
24 14 10 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 16 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc