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 18.6 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 136 24 62 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 143 23 59 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 8.8 102,804 180 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 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 220 0 3 11.6 9.2 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 226 0 3 11.6 9.8 990,273 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,235 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,234 277 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 7 0 1.7 dash -
13 12 1 3.4 bash -
89 51 46 3.5 zsh -
15 9 6 28.9 bumpleak/osh mut
16 11 5 30.3 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 20 6 25.4 osh-native mut+alloc
28 14 14 25.7 osh-native mut+alloc+free
31 26 5 18.4 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 21 7 26.1 osh-nosouffle mut+alloc
31 20 11 26.2 osh-nosouffle mut+alloc+free
35 24 11 18.6 osh-nosouffle mut+alloc+free+gc
35 27 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 20 19 33.6 _bin/cxx-opt+nopool/osh mut+alloc
45 30 14 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 1.6 dash -
42 41 1 3.4 bash -
325 185 163 3.5 zsh -
45 33 12 85.0 bumpleak/osh mut
48 39 9 85.7 _bin/cxx-opt+bumproot/osh mut
58 43 15 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 53 30 73.5 osh-native mut+alloc
94 64 30 75.6 osh-native mut+alloc+free
136 114 22 51.7 osh-native mut+alloc+free+gc
149 129 20 52.4 osh-native mut+alloc+free+gc+exit
92 61 31 74.1 osh-nosouffle mut+alloc
101 66 35 75.9 osh-nosouffle mut+alloc+free
143 116 27 52.3 osh-nosouffle mut+alloc+free+gc
143 117 26 52.9 osh-nosouffle mut+alloc+free+gc+exit
125 81 44 98.2 _bin/cxx-opt+nopool/osh mut+alloc
194 170 23 73.6 _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 3.1 bash -
7 5 2 3.4 zsh -
6 3 3 11.5 bumpleak/osh mut
6 4 2 12.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 5 4 8.8 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 4 5 11.0 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 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 10 0 1.4 dash -
31 30 1 3.1 bash -
21 16 5 3.4 zsh -
17 13 4 33.1 bumpleak/osh mut
18 14 3 33.8 _bin/cxx-opt+bumproot/osh mut
21 13 8 33.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 14 26.9 osh-native mut+alloc
30 18 13 27.0 osh-native mut+alloc+free
20 19 1 8.1 osh-native mut+alloc+free+gc
20 18 2 8.1 osh-native mut+alloc+free+gc+exit
33 23 10 27.4 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 22 3 8.7 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
45 25 20 36.3 _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
104 100 4 3.4 bash -
213 158 55 57.3 bumpleak/osh mut
222 170 51 56.4 _bin/cxx-opt+bumproot/osh mut
237 173 64 58.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 197 61 48.9 osh-native mut+alloc
263 191 72 50.7 osh-native mut+alloc+free
220 176 44 9.2 osh-native mut+alloc+free+gc
222 163 59 9.0 osh-native mut+alloc+free+gc+exit
262 192 70 49.2 osh-nosouffle mut+alloc
271 201 70 51.4 osh-nosouffle mut+alloc+free
226 188 38 9.8 osh-nosouffle mut+alloc+free+gc
226 173 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
278 192 86 65.4 _bin/cxx-opt+nopool/osh mut+alloc
253 209 44 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 3 3.9 dash -
16 8 8 4.8 bash -
15 6 10 4.1 zsh -
17 9 8 12.7 bumpleak/osh mut
18 10 8 12.4 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 6 13 11.5 osh-native mut+alloc
21 10 11 11.8 osh-native mut+alloc+free
21 9 12 9.6 osh-native mut+alloc+free+gc
21 8 14 9.7 osh-native mut+alloc+free+gc+exit
20 9 12 12.2 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 11 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
22 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