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 6 13 12.0 18.2 471,276 1,282 6 413,160 5 206,580 osh-native
parse.configure-cpython 38 5 13 12.0 18.9 471,276 1,282 6 413,168 5 206,584 osh-nosouffle
parse.configure-coreutils 163 31 85 45.9 51.7 1,638,015 4,764 12 1,056,658 6 787,850 osh-native
parse.configure-coreutils 164 29 78 45.9 52.4 1,638,014 4,764 12 1,056,666 6 787,854 osh-nosouffle
parse.abuild 9 1 2 2.6 8.5 102,804 180 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 8.3 572,128 22,608 12 50,000 0 2,991 osh-native
ex.compute-fib 25 0 2 2.8 8.7 572,128 22,608 12 50,000 0 2,995 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 8.9 990,274 15,258 21 50,000 0 3,968 osh-native
ex.bashcomp-parse-help 231 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 22 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
6 6 1 1.7 dash -
13 11 2 3.4 bash -
94 57 44 3.7 zsh -
16 13 3 30.2 bumpleak/osh mut
17 14 3 30.4 _bin/cxx-opt+bumproot/osh mut
19 13 7 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 13 13 25.6 osh-native mut+alloc
29 16 13 25.8 osh-native mut+alloc+free
35 29 7 18.2 osh-native mut+alloc+free+gc
35 28 7 18.4 osh-native mut+alloc+free+gc+exit
29 18 10 25.8 osh-nosouffle mut+alloc
31 19 12 26.2 osh-nosouffle mut+alloc+free
38 25 13 18.9 osh-nosouffle mut+alloc+free+gc
37 30 7 18.9 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 37 12 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 22 1 1.7 dash -
43 42 1 3.4 bash -
334 176 183 3.7 zsh -
46 37 9 85.1 bumpleak/osh mut
48 38 10 85.9 _bin/cxx-opt+bumproot/osh mut
60 46 14 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
86 51 35 73.7 osh-native mut+alloc
95 51 43 75.5 osh-native mut+alloc+free
163 137 26 51.7 osh-native mut+alloc+free+gc
165 140 25 52.5 osh-native mut+alloc+free+gc+exit
94 53 41 74.2 osh-nosouffle mut+alloc
103 74 29 76.2 osh-nosouffle mut+alloc+free
164 139 25 52.4 osh-nosouffle mut+alloc+free+gc
170 149 21 53.1 osh-nosouffle mut+alloc+free+gc+exit
129 77 52 97.8 _bin/cxx-opt+nopool/osh mut+alloc
222 184 37 71.6 _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 1 1 1.6 dash -
4 2 1 3.3 bash -
7 2 4 3.4 zsh -
6 2 4 12.9 bumpleak/osh mut
6 3 3 13.0 _bin/cxx-opt+bumproot/osh mut
7 6 1 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 5 4 10.7 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
10 8 2 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.1 osh-nosouffle mut+alloc
9 8 1 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 11.9 _bin/cxx-opt+nopool/osh mut+alloc
13 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 9 1 1.6 dash -
31 30 1 3.1 bash -
21 18 3 3.4 zsh -
17 14 3 33.2 bumpleak/osh mut
19 14 5 33.0 _bin/cxx-opt+bumproot/osh mut
22 13 8 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 26.9 osh-native mut+alloc
31 21 11 27.1 osh-native mut+alloc+free
20 16 4 8.3 osh-native mut+alloc+free+gc
20 18 3 8.4 osh-native mut+alloc+free+gc+exit
34 21 13 27.3 osh-nosouffle mut+alloc
36 23 13 27.7 osh-nosouffle mut+alloc+free
25 24 1 8.7 osh-nosouffle mut+alloc+free+gc
26 24 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 27 19 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 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
105 102 3 3.4 bash -
215 154 61 57.1 bumpleak/osh mut
224 164 60 56.8 _bin/cxx-opt+bumproot/osh mut
242 178 64 57.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
262 185 77 49.0 osh-native mut+alloc
269 200 69 50.7 osh-native mut+alloc+free
225 172 53 8.9 osh-native mut+alloc+free+gc
224 189 35 9.0 osh-native mut+alloc+free+gc+exit
266 200 67 49.2 osh-nosouffle mut+alloc
276 201 75 51.3 osh-nosouffle mut+alloc+free
231 186 45 9.7 osh-nosouffle mut+alloc+free+gc
233 183 50 9.8 osh-nosouffle mut+alloc+free+gc+exit
284 206 78 64.2 _bin/cxx-opt+nopool/osh mut+alloc
257 204 52 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 -
16 6 11 4.8 bash -
16 5 11 3.8 zsh -
19 8 12 13.5 bumpleak/osh mut
18 10 9 12.6 _bin/cxx-opt+bumproot/osh mut
19 7 13 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 11 10 11.5 osh-native mut+alloc
21 9 13 11.8 osh-native mut+alloc+free
21 10 12 9.4 osh-native mut+alloc+free+gc
22 11 12 9.6 osh-native mut+alloc+free+gc+exit
21 8 13 12.1 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
22 7 15 10.0 osh-nosouffle mut+alloc+free+gc
23 12 11 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 14 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc