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 31 4 10 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 37 4 12 12.0 18.5 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 134 25 61 45.9 51.6 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 147 25 65 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 8.5 102,791 180 3 86,628 1 43,314 osh-native
parse.abuild 10 1 2 2.6 9.2 102,791 180 3 86,636 1 43,318 osh-nosouffle
ex.compute-fib 20 0 2 2.8 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 232 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 227 0 4 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 9.4 117,219 277 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 1.6 dash -
13 12 1 3.3 bash -
89 53 42 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
17 10 6 30.3 _bin/cxx-opt+bumproot/osh mut
19 17 2 30.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 19 6 25.4 osh-native mut+alloc
27 19 8 26.0 osh-native mut+alloc+free
31 25 6 18.4 osh-native mut+alloc+free+gc
32 26 6 18.3 osh-native mut+alloc+free+gc+exit
28 18 10 26.0 osh-nosouffle mut+alloc
30 21 9 26.2 osh-nosouffle mut+alloc+free
37 29 8 18.5 osh-nosouffle mut+alloc+free+gc
36 29 7 18.7 osh-nosouffle mut+alloc+free+gc+exit
38 24 15 32.2 _bin/cxx-opt+nopool/osh mut+alloc
45 30 15 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
24 21 2 1.7 dash -
42 41 2 3.4 bash -
323 178 167 3.7 zsh -
46 36 10 85.8 bumpleak/osh mut
49 39 10 86.5 _bin/cxx-opt+bumproot/osh mut
59 46 13 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
81 53 27 73.5 osh-native mut+alloc
91 59 32 75.6 osh-native mut+alloc+free
134 115 19 51.6 osh-native mut+alloc+free+gc
142 122 20 52.4 osh-native mut+alloc+free+gc+exit
91 60 31 74.1 osh-nosouffle mut+alloc
99 71 28 76.0 osh-nosouffle mut+alloc+free
147 120 27 52.3 osh-nosouffle mut+alloc+free+gc
153 124 29 52.9 osh-nosouffle mut+alloc+free+gc+exit
128 80 47 97.8 _bin/cxx-opt+nopool/osh mut+alloc
198 161 37 71.7 _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 2 0 1.6 dash -
4 2 2 3.3 bash -
7 7 0 3.4 zsh -
6 3 3 11.4 bumpleak/osh mut
6 5 1 11.9 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.6 osh-native mut+alloc
8 5 3 10.6 osh-native mut+alloc+free
9 7 2 8.5 osh-native mut+alloc+free+gc
9 7 3 8.8 osh-native mut+alloc+free+gc+exit
9 5 3 10.9 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 9 1 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.4 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.8 _bin/cxx-opt+nopool/osh mut+alloc
12 7 5 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 10 0 1.4 dash -
31 30 1 3.3 bash -
21 13 8 3.3 zsh -
17 12 5 33.1 bumpleak/osh mut
19 14 5 32.2 _bin/cxx-opt+bumproot/osh mut
21 18 3 33.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.9 osh-native mut+alloc
30 20 11 27.0 osh-native mut+alloc+free
20 18 2 8.3 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
33 22 11 27.3 osh-nosouffle mut+alloc
36 26 10 27.5 osh-nosouffle mut+alloc+free
25 20 5 8.8 osh-nosouffle mut+alloc+free+gc
25 22 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 24 21 36.3 _bin/cxx-opt+nopool/osh mut+alloc
30 28 2 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 99 4 3.4 bash -
218 166 52 56.3 bumpleak/osh mut
222 153 69 56.8 _bin/cxx-opt+bumproot/osh mut
245 180 64 58.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
258 188 70 48.8 osh-native mut+alloc
267 207 60 50.7 osh-native mut+alloc+free
232 189 42 9.0 osh-native mut+alloc+free+gc
231 183 48 9.0 osh-native mut+alloc+free+gc+exit
279 210 69 49.3 osh-nosouffle mut+alloc
271 213 58 51.4 osh-nosouffle mut+alloc+free
227 179 48 9.4 osh-nosouffle mut+alloc+free+gc
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc+exit
283 198 85 64.8 _bin/cxx-opt+nopool/osh mut+alloc
272 211 61 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 3 6 3.9 dash -
16 8 8 4.8 bash -
16 4 12 3.9 zsh -
17 7 11 13.9 bumpleak/osh mut
18 10 8 14.5 _bin/cxx-opt+bumproot/osh mut
20 8 13 14.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 8 12 11.7 osh-native mut+alloc
20 10 11 11.8 osh-native mut+alloc+free
20 12 9 9.4 osh-native mut+alloc+free+gc
21 8 13 9.6 osh-native mut+alloc+free+gc+exit
20 13 8 12.2 osh-nosouffle mut+alloc
22 12 10 12.3 osh-nosouffle mut+alloc+free
21 12 10 10.1 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 11 13 12.9 _bin/cxx-opt+nopool/osh mut+alloc
23 12 12 10.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc