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 34 4 11 12.0 18.4 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 36 4 11 12.0 18.7 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 140 24 65 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 150 26 67 45.9 52.1 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 9.2 102,804 180 3 86,654 1 43,327 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.5 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 222 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 228 0 4 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 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 1.6 dash -
13 12 1 3.4 bash -
88 53 42 3.5 zsh -
15 14 1 30.3 bumpleak/osh mut
16 14 2 30.2 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.6 osh-native mut+alloc
28 17 11 25.8 osh-native mut+alloc+free
34 28 6 18.4 osh-native mut+alloc+free+gc
33 29 4 18.1 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
31 22 8 26.3 osh-nosouffle mut+alloc+free
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc
37 32 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
40 27 13 33.5 _bin/cxx-opt+nopool/osh mut+alloc
45 38 7 22.6 _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 21 2 1.7 dash -
42 41 1 3.4 bash -
329 184 167 3.7 zsh -
46 39 7 85.7 bumpleak/osh mut
49 39 10 85.5 _bin/cxx-opt+bumproot/osh mut
60 44 16 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
87 54 33 73.7 osh-native mut+alloc
93 68 25 75.6 osh-native mut+alloc+free
140 120 20 51.7 osh-native mut+alloc+free+gc
147 119 27 52.7 osh-native mut+alloc+free+gc+exit
93 63 31 74.1 osh-nosouffle mut+alloc
102 55 47 75.9 osh-nosouffle mut+alloc+free
150 130 20 52.1 osh-nosouffle mut+alloc+free+gc
152 128 24 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 83 44 99.2 _bin/cxx-opt+nopool/osh mut+alloc
205 168 37 73.9 _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 -
6 6 0 3.4 zsh -
6 2 4 11.7 bumpleak/osh mut
6 6 0 12.6 _bin/cxx-opt+bumproot/osh mut
7 4 3 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 6 2 10.6 osh-native mut+alloc
8 6 2 10.7 osh-native mut+alloc+free
9 6 4 8.8 osh-native mut+alloc+free+gc
9 5 4 8.9 osh-native mut+alloc+free+gc+exit
8 5 3 10.7 osh-nosouffle mut+alloc
9 5 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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 1.6 dash -
30 30 0 3.4 bash -
21 16 5 3.5 zsh -
17 12 5 32.5 bumpleak/osh mut
18 15 3 33.2 _bin/cxx-opt+bumproot/osh mut
21 13 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 23 8 27.2 osh-native mut+alloc+free
20 17 3 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 12 27.4 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
25 20 5 8.5 osh-nosouffle mut+alloc+free+gc
25 20 6 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 29 17 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
104 99 5 3.4 bash -
213 158 55 57.9 bumpleak/osh mut
229 181 47 57.8 _bin/cxx-opt+bumproot/osh mut
242 193 49 58.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 185 73 48.8 osh-native mut+alloc
266 207 58 50.7 osh-native mut+alloc+free
222 162 60 8.9 osh-native mut+alloc+free+gc
222 175 46 9.0 osh-native mut+alloc+free+gc+exit
263 177 85 49.4 osh-nosouffle mut+alloc
271 205 66 51.1 osh-nosouffle mut+alloc+free
228 186 42 9.7 osh-nosouffle mut+alloc+free+gc
231 188 43 9.8 osh-nosouffle mut+alloc+free+gc+exit
277 205 72 64.6 _bin/cxx-opt+nopool/osh mut+alloc
252 203 49 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 4 6 3.9 dash -
16 6 10 4.7 bash -
15 8 8 4.1 zsh -
18 4 14 13.0 bumpleak/osh mut
17 7 11 14.2 _bin/cxx-opt+bumproot/osh mut
20 10 11 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.5 osh-native mut+alloc
21 8 14 11.7 osh-native mut+alloc+free
21 12 10 9.4 osh-native mut+alloc+free+gc
22 13 9 9.7 osh-native mut+alloc+free+gc+exit
20 11 10 12.2 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
21 11 11 10.0 osh-nosouffle mut+alloc+free+gc
22 12 11 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 12 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 14 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc