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 4 12 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 6 13 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 155 29 79 45.9 51.6 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 172 29 85 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 2 2.8 8.4 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 26 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 227 0 5 11.6 9.0 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 235 0 5 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 9.4 117,235 277 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 1.7 dash -
13 11 2 3.4 bash -
91 45 53 3.4 zsh -
15 11 4 29.5 bumpleak/osh mut
16 12 4 29.5 _bin/cxx-opt+bumproot/osh mut
20 14 6 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 17 10 25.3 osh-native mut+alloc
29 15 13 25.8 osh-native mut+alloc+free
35 29 6 18.2 osh-native mut+alloc+free+gc
35 27 8 18.2 osh-native mut+alloc+free+gc+exit
29 15 14 26.0 osh-nosouffle mut+alloc
31 23 8 26.2 osh-nosouffle mut+alloc+free
38 33 5 18.7 osh-nosouffle mut+alloc+free+gc
38 31 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
41 25 16 32.6 _bin/cxx-opt+nopool/osh mut+alloc
54 48 7 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 23 0 1.6 dash -
42 41 1 3.4 bash -
343 190 168 3.7 zsh -
45 37 7 84.8 bumpleak/osh mut
49 38 11 86.6 _bin/cxx-opt+bumproot/osh mut
60 50 10 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
85 55 30 73.7 osh-native mut+alloc
93 57 36 75.5 osh-native mut+alloc+free
155 134 21 51.6 osh-native mut+alloc+free+gc
160 136 24 52.4 osh-native mut+alloc+free+gc+exit
93 62 31 74.2 osh-nosouffle mut+alloc
102 70 32 75.9 osh-nosouffle mut+alloc+free
172 151 21 52.3 osh-nosouffle mut+alloc+free+gc
177 149 28 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 73 56 98.4 _bin/cxx-opt+nopool/osh mut+alloc
232 203 29 73.7 _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 1 3.1 bash -
7 4 3 3.4 zsh -
6 3 3 12.6 bumpleak/osh mut
7 2 5 12.1 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 3 6 10.7 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
9 7 2 11.0 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 9 2 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 9.4 _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 3.4 bash -
22 11 10 3.5 zsh -
17 11 6 33.6 bumpleak/osh mut
19 14 5 33.4 _bin/cxx-opt+bumproot/osh mut
21 15 6 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 9 26.9 osh-native mut+alloc
31 19 12 27.2 osh-native mut+alloc+free
20 17 3 8.4 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 17 17 27.4 osh-nosouffle mut+alloc
36 27 9 27.7 osh-nosouffle mut+alloc+free
26 22 4 8.7 osh-nosouffle mut+alloc+free+gc
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 28 19 36.2 _bin/cxx-opt+nopool/osh mut+alloc
30 26 4 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 98 5 3.3 bash -
215 168 47 57.5 bumpleak/osh mut
223 167 57 56.7 _bin/cxx-opt+bumproot/osh mut
240 185 55 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 177 80 48.8 osh-native mut+alloc
269 197 72 50.7 osh-native mut+alloc+free
227 182 45 9.0 osh-native mut+alloc+free+gc
223 169 54 9.0 osh-native mut+alloc+free+gc+exit
262 190 71 49.3 osh-nosouffle mut+alloc
272 210 61 51.4 osh-nosouffle mut+alloc+free
235 180 55 9.7 osh-nosouffle mut+alloc+free+gc
234 198 36 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 209 73 65.1 _bin/cxx-opt+nopool/osh mut+alloc
266 219 47 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 4 3.9 dash -
17 9 8 4.6 bash -
16 7 9 3.9 zsh -
17 8 10 14.2 bumpleak/osh mut
18 9 9 14.2 _bin/cxx-opt+bumproot/osh mut
21 11 10 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 9 11.7 osh-native mut+alloc
22 10 12 11.4 osh-native mut+alloc+free
21 15 7 9.4 osh-native mut+alloc+free+gc
22 10 12 9.6 osh-native mut+alloc+free+gc+exit
22 10 12 12.1 osh-nosouffle mut+alloc
22 9 14 12.2 osh-nosouffle mut+alloc+free
22 13 10 9.8 osh-nosouffle mut+alloc+free+gc
24 12 12 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc