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 18.1 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 33 3 9 12.0 18.9 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 136 25 63 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 141 22 57 45.9 52.4 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 9 1 2 2.6 8.7 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 9 1 2 2.6 9.3 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.1 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 1 2.8 8.5 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 226 0 4 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 20 1 2 3.0 9.3 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 21 1 2 3.0 10.0 117,218 277 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 3.4 bash -
89 50 46 3.4 zsh -
15 10 6 29.7 bumpleak/osh mut
16 13 3 29.5 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 8 25.6 osh-native mut+alloc
27 18 9 25.7 osh-native mut+alloc+free
32 25 7 18.1 osh-native mut+alloc+free+gc
32 25 7 18.2 osh-native mut+alloc+free+gc+exit
28 19 9 26.0 osh-nosouffle mut+alloc
29 20 9 26.5 osh-nosouffle mut+alloc+free
33 24 9 18.9 osh-nosouffle mut+alloc+free+gc
34 27 6 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 21 18 33.6 _bin/cxx-opt+nopool/osh mut+alloc
44 32 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 23 0 1.7 dash -
42 41 1 3.4 bash -
325 177 170 3.8 zsh -
45 34 11 84.8 bumpleak/osh mut
49 40 9 86.0 _bin/cxx-opt+bumproot/osh mut
59 48 11 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 56 27 73.7 osh-native mut+alloc
90 64 26 75.4 osh-native mut+alloc+free
136 116 20 51.7 osh-native mut+alloc+free+gc
141 119 22 52.4 osh-native mut+alloc+free+gc+exit
91 57 34 74.1 osh-nosouffle mut+alloc
101 57 43 75.9 osh-nosouffle mut+alloc+free
141 115 23 52.4 osh-nosouffle mut+alloc+free+gc
145 122 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
124 71 53 97.9 _bin/cxx-opt+nopool/osh mut+alloc
198 157 41 73.3 _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 2 2 3.1 bash -
6 6 1 3.4 zsh -
6 4 2 11.7 bumpleak/osh mut
6 4 2 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 3 10.5 osh-native mut+alloc
8 7 1 10.5 osh-native mut+alloc+free
9 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.8 osh-native mut+alloc+free+gc+exit
8 7 1 10.9 osh-nosouffle mut+alloc
9 6 2 11.1 osh-nosouffle mut+alloc+free
9 8 1 9.3 osh-nosouffle mut+alloc+free+gc
10 7 3 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 8 3 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 9 2 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 8 1 1.4 dash -
30 29 1 3.3 bash -
21 14 7 3.4 zsh -
17 13 4 33.1 bumpleak/osh mut
18 14 4 32.5 _bin/cxx-opt+bumproot/osh mut
21 19 2 33.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 27.0 osh-native mut+alloc
30 19 11 27.0 osh-native mut+alloc+free
20 18 2 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
35 20 15 27.5 osh-nosouffle mut+alloc+free
25 23 2 8.5 osh-nosouffle mut+alloc+free+gc
24 22 2 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 34 12 36.4 _bin/cxx-opt+nopool/osh mut+alloc
29 27 2 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
104 101 3 3.4 bash -
211 161 50 57.1 bumpleak/osh mut
221 163 58 56.7 _bin/cxx-opt+bumproot/osh mut
240 178 62 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
259 186 73 48.8 osh-native mut+alloc
265 205 60 50.7 osh-native mut+alloc+free
220 173 47 9.0 osh-native mut+alloc+free+gc
225 186 39 8.9 osh-native mut+alloc+free+gc+exit
262 188 74 49.3 osh-nosouffle mut+alloc
270 199 71 51.1 osh-nosouffle mut+alloc+free
226 184 42 9.6 osh-nosouffle mut+alloc+free+gc
226 183 43 9.6 osh-nosouffle mut+alloc+free+gc+exit
277 212 65 64.6 _bin/cxx-opt+nopool/osh mut+alloc
249 194 55 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 3.9 dash -
16 8 8 4.8 bash -
15 5 10 4.1 zsh -
17 8 9 14.0 bumpleak/osh mut
18 8 10 14.3 _bin/cxx-opt+bumproot/osh mut
19 8 11 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 11 11.5 osh-native mut+alloc
20 13 8 11.7 osh-native mut+alloc+free
20 11 10 9.3 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 7 14 11.9 osh-nosouffle mut+alloc
21 12 10 12.2 osh-nosouffle mut+alloc+free
21 14 8 10.0 osh-nosouffle mut+alloc+free+gc
22 10 13 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 11 13 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc