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 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 4 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 128 22 56 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 139 22 57 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.8 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.3 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 19 0 1 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 218 0 3 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 224 0 3 11.6 9.4 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 10.1 117,218 277 3 83,998 1 41,999 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 12 1 3.3 bash -
87 49 45 3.4 zsh -
15 14 1 30.2 bumpleak/osh mut
16 13 3 30.2 _bin/cxx-opt+bumproot/osh mut
19 12 7 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.6 osh-native mut+alloc
27 14 13 25.8 osh-native mut+alloc+free
32 27 5 18.4 osh-native mut+alloc+free+gc
33 20 13 18.3 osh-native mut+alloc+free+gc+exit
29 21 8 25.8 osh-nosouffle mut+alloc
30 23 7 26.2 osh-nosouffle mut+alloc+free
34 28 6 18.7 osh-nosouffle mut+alloc+free+gc
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc+exit
39 23 16 32.8 _bin/cxx-opt+nopool/osh mut+alloc
45 39 6 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 -
43 42 1 3.5 bash -
325 173 174 3.7 zsh -
45 36 9 84.6 bumpleak/osh mut
47 42 5 86.5 _bin/cxx-opt+bumproot/osh mut
58 51 7 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 53 29 73.8 osh-native mut+alloc
91 53 38 75.6 osh-native mut+alloc+free
128 109 19 51.7 osh-native mut+alloc+free+gc
134 112 22 52.4 osh-native mut+alloc+free+gc+exit
91 56 35 74.2 osh-nosouffle mut+alloc
99 64 35 75.9 osh-nosouffle mut+alloc+free
139 119 19 52.3 osh-nosouffle mut+alloc+free+gc
143 123 20 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 82 43 98.4 _bin/cxx-opt+nopool/osh mut+alloc
187 158 30 74.0 _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 4 0 3.3 bash -
6 5 2 3.3 zsh -
6 3 3 12.9 bumpleak/osh mut
6 5 1 13.4 _bin/cxx-opt+bumproot/osh mut
7 2 5 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 7 1 10.6 osh-native mut+alloc
8 4 4 10.5 osh-native mut+alloc+free
9 7 2 8.8 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
8 4 5 11.1 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc
10 9 1 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _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 1.4 dash -
30 29 1 3.3 bash -
21 15 6 3.5 zsh -
17 12 5 33.2 bumpleak/osh mut
18 14 3 33.7 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 15 13 26.7 osh-native mut+alloc
30 22 7 27.1 osh-native mut+alloc+free
19 16 4 8.3 osh-native mut+alloc+free+gc
19 18 1 8.3 osh-native mut+alloc+free+gc+exit
32 21 12 27.3 osh-nosouffle mut+alloc
35 22 12 27.4 osh-nosouffle mut+alloc+free
24 20 4 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.5 osh-nosouffle mut+alloc+free+gc+exit
46 31 14 36.1 _bin/cxx-opt+nopool/osh mut+alloc
30 27 3 9.8 _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
102 97 5 3.5 bash -
211 157 54 56.8 bumpleak/osh mut
218 165 53 57.7 _bin/cxx-opt+bumproot/osh mut
239 175 64 57.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 194 60 48.6 osh-native mut+alloc
262 189 73 50.7 osh-native mut+alloc+free
218 183 35 9.0 osh-native mut+alloc+free+gc
220 167 53 9.2 osh-native mut+alloc+free+gc+exit
259 189 69 49.3 osh-nosouffle mut+alloc
264 198 67 51.1 osh-nosouffle mut+alloc+free
224 171 52 9.4 osh-nosouffle mut+alloc+free+gc
227 192 35 9.4 osh-nosouffle mut+alloc+free+gc+exit
278 191 87 64.2 _bin/cxx-opt+nopool/osh mut+alloc
249 206 43 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 5 4.1 dash -
16 6 10 4.8 bash -
15 8 8 4.1 zsh -
17 8 10 12.7 bumpleak/osh mut
19 9 10 13.6 _bin/cxx-opt+bumproot/osh mut
18 7 12 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 9 11.5 osh-native mut+alloc
20 7 14 11.7 osh-native mut+alloc+free
20 13 8 9.6 osh-native mut+alloc+free+gc
20 10 11 9.6 osh-native mut+alloc+free+gc+exit
20 9 11 12.1 osh-nosouffle mut+alloc
21 14 8 12.2 osh-nosouffle mut+alloc+free
21 11 11 10.1 osh-nosouffle mut+alloc+free+gc
22 11 12 9.8 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
23 10 13 10.3 _bin/cxx-opt+nopool/osh mut+alloc+free+gc