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 5 11 12.0 18.1 471,276 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 143 25 67 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 25 60 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 8.7 102,804 180 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 1 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 9.8 117,234 277 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 6 1 1.6 dash -
13 13 0 3.4 bash -
89 56 39 3.4 zsh -
15 10 5 29.4 bumpleak/osh mut
17 14 3 28.9 _bin/cxx-opt+bumproot/osh mut
20 15 5 29.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 18 9 25.4 osh-native mut+alloc
28 14 14 26.0 osh-native mut+alloc+free
35 23 12 18.1 osh-native mut+alloc+free+gc
34 27 8 18.4 osh-native mut+alloc+free+gc+exit
29 16 13 26.0 osh-nosouffle mut+alloc
31 18 13 26.3 osh-nosouffle mut+alloc+free
35 28 7 18.7 osh-nosouffle mut+alloc+free+gc
36 25 11 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 17 22 33.7 _bin/cxx-opt+nopool/osh mut+alloc
47 36 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 23 0 1.7 dash -
43 42 1 3.4 bash -
328 189 162 3.7 zsh -
45 36 9 85.5 bumpleak/osh mut
48 37 12 84.8 _bin/cxx-opt+bumproot/osh mut
59 45 15 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 52 32 73.7 osh-native mut+alloc
94 65 29 75.4 osh-native mut+alloc+free
143 109 34 51.6 osh-native mut+alloc+free+gc
141 119 22 52.4 osh-native mut+alloc+free+gc+exit
93 59 34 74.1 osh-nosouffle mut+alloc
101 74 27 75.9 osh-nosouffle mut+alloc+free
143 119 24 52.3 osh-nosouffle mut+alloc+free+gc
152 120 32 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 82 44 98.4 _bin/cxx-opt+nopool/osh mut+alloc
198 169 29 74.2 _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 1.7 dash -
4 3 1 3.1 bash -
7 4 3 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 4 2 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.5 osh-native mut+alloc
8 3 5 10.7 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 5 4 8.8 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 9 0 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 5 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 4 7 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 9 2 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 -
31 30 1 3.3 bash -
21 16 5 3.3 zsh -
18 12 6 33.1 bumpleak/osh mut
18 14 4 33.6 _bin/cxx-opt+bumproot/osh mut
21 12 9 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 19 11 26.9 osh-native mut+alloc
31 20 11 27.0 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 19 1 8.1 osh-native mut+alloc+free+gc+exit
33 24 9 27.3 osh-nosouffle mut+alloc
36 28 8 27.3 osh-nosouffle mut+alloc+free
25 23 2 8.8 osh-nosouffle mut+alloc+free+gc
27 27 0 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 31 16 36.9 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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
105 96 9 3.5 bash -
215 168 47 56.2 bumpleak/osh mut
223 171 52 57.2 _bin/cxx-opt+bumproot/osh mut
239 183 56 57.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
260 197 63 48.6 osh-native mut+alloc
265 190 74 50.7 osh-native mut+alloc+free
224 185 39 8.9 osh-native mut+alloc+free+gc
223 166 57 9.2 osh-native mut+alloc+free+gc+exit
263 192 70 49.3 osh-nosouffle mut+alloc
270 211 59 51.1 osh-nosouffle mut+alloc+free
226 170 56 9.6 osh-nosouffle mut+alloc+free+gc
230 185 45 9.7 osh-nosouffle mut+alloc+free+gc+exit
283 199 84 65.6 _bin/cxx-opt+nopool/osh mut+alloc
258 211 47 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 10 4.7 bash -
16 7 9 3.9 zsh -
19 8 11 13.6 bumpleak/osh mut
20 11 9 14.0 _bin/cxx-opt+bumproot/osh mut
18 9 10 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 7 13 11.4 osh-native mut+alloc
20 11 10 11.7 osh-native mut+alloc+free
20 9 12 9.6 osh-native mut+alloc+free+gc
20 11 10 9.6 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
21 8 14 12.2 osh-nosouffle mut+alloc+free
22 15 8 9.8 osh-nosouffle mut+alloc+free+gc
22 10 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
22 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc