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 32 4 10 12.0 18.2 471,275 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,275 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 144 25 69 45.9 51.7 1,638,014 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 27 68 45.9 52.1 1,638,013 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,803 180 3 86,646 1 43,323 osh-native
parse.abuild 10 1 2 2.6 9.2 102,803 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,127 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 1 2.8 8.7 572,127 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 224 0 4 11.6 9.2 990,273 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 227 0 4 11.6 9.4 990,272 15,258 21 50,000 0 3,974 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.4 117,234 277 3 84,008 1 42,004 osh-native
ex.abuild-print-help 22 1 2 3.0 10.1 117,233 277 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
6 6 0 1.7 dash -
13 12 1 3.4 bash -
91 45 52 3.4 zsh -
16 9 7 29.1 bumpleak/osh mut
17 12 4 30.4 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 16 10 25.6 osh-native mut+alloc
28 20 8 25.8 osh-native mut+alloc+free
32 25 7 18.2 osh-native mut+alloc+free+gc
35 29 6 18.1 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
31 21 10 26.3 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 26 9 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 26 13 32.2 _bin/cxx-opt+nopool/osh mut+alloc
44 38 6 22.8 _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 -
42 41 1 3.5 bash -
336 189 170 3.5 zsh -
46 37 9 86.2 bumpleak/osh mut
49 37 12 85.9 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 50 33 73.7 osh-native mut+alloc
95 60 35 75.5 osh-native mut+alloc+free
144 111 33 51.7 osh-native mut+alloc+free+gc
150 128 22 52.5 osh-native mut+alloc+free+gc+exit
92 62 30 73.9 osh-nosouffle mut+alloc
101 65 35 75.9 osh-nosouffle mut+alloc+free
150 123 27 52.1 osh-nosouffle mut+alloc+free+gc
158 138 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
127 76 51 99.3 _bin/cxx-opt+nopool/osh mut+alloc
203 170 33 73.8 _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 1 1 1.7 dash -
4 3 1 3.1 bash -
6 4 2 3.3 zsh -
6 5 1 12.7 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 2 6 10.5 osh-native mut+alloc
8 4 5 10.6 osh-native mut+alloc+free
9 8 1 8.5 osh-native mut+alloc+free+gc
10 4 6 8.9 osh-native mut+alloc+free+gc+exit
9 4 5 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 6 5 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 7 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 9 1 1.6 dash -
30 29 1 3.3 bash -
21 16 5 3.4 zsh -
17 13 4 33.8 bumpleak/osh mut
19 14 5 31.9 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 21 10 27.1 osh-native mut+alloc+free
20 19 1 8.3 osh-native mut+alloc+free+gc
21 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.3 osh-nosouffle mut+alloc
35 28 7 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
47 26 21 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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
104 98 6 3.4 bash -
217 164 52 57.1 bumpleak/osh mut
224 174 50 57.2 _bin/cxx-opt+bumproot/osh mut
242 196 46 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 186 73 48.8 osh-native mut+alloc
264 194 70 50.7 osh-native mut+alloc+free
224 171 53 9.2 osh-native mut+alloc+free+gc
224 179 45 9.0 osh-native mut+alloc+free+gc+exit
265 197 68 49.3 osh-nosouffle mut+alloc
271 196 75 51.4 osh-nosouffle mut+alloc+free
227 181 46 9.4 osh-nosouffle mut+alloc+free+gc
230 181 49 9.7 osh-nosouffle mut+alloc+free+gc+exit
283 203 80 66.2 _bin/cxx-opt+nopool/osh mut+alloc
255 197 58 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 3 6 3.9 dash -
16 9 8 4.8 bash -
15 8 8 3.9 zsh -
19 9 11 13.9 bumpleak/osh mut
18 8 10 12.9 _bin/cxx-opt+bumproot/osh mut
18 8 11 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 10 11 11.5 osh-native mut+alloc
21 10 12 11.7 osh-native mut+alloc+free
21 11 11 9.4 osh-native mut+alloc+free+gc
21 10 12 9.6 osh-native mut+alloc+free+gc+exit
21 9 12 12.2 osh-nosouffle mut+alloc
22 12 11 12.2 osh-nosouffle mut+alloc+free
22 8 14 10.1 osh-nosouffle mut+alloc+free+gc
23 11 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc