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 4 12 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 3 9 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 140 25 66 45.9 51.9 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 150 24 65 45.9 52.3 1,638,001 4,764 12 1,056,648 6 787,845 osh-nosouffle
parse.abuild 10 1 2 2.6 8.7 102,791 180 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 8.4 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 25 0 2 2.8 8.9 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 223 0 4 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 228 0 3 11.6 9.6 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 22 1 3 3.0 9.4 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 22 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 5 2 1.7 dash -
13 13 0 3.3 bash -
89 54 42 3.5 zsh -
16 13 3 29.1 bumpleak/osh mut
17 10 6 30.6 _bin/cxx-opt+bumproot/osh mut
19 13 6 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 17 9 25.7 osh-native mut+alloc
27 18 9 25.7 osh-native mut+alloc+free
35 25 10 18.4 osh-native mut+alloc+free+gc
33 27 6 18.2 osh-native mut+alloc+free+gc+exit
28 16 12 26.0 osh-nosouffle mut+alloc
30 22 8 26.2 osh-nosouffle mut+alloc+free
34 20 14 18.7 osh-nosouffle mut+alloc+free+gc
36 26 9 18.6 osh-nosouffle mut+alloc+free+gc+exit
40 25 15 32.6 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 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 23 0 1.7 dash -
42 41 1 3.5 bash -
331 186 166 3.7 zsh -
45 37 8 85.2 bumpleak/osh mut
48 39 8 86.3 _bin/cxx-opt+bumproot/osh mut
58 45 14 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 49 34 73.7 osh-native mut+alloc
91 49 42 75.5 osh-native mut+alloc+free
140 119 21 51.9 osh-native mut+alloc+free+gc
145 122 23 52.4 osh-native mut+alloc+free+gc+exit
92 57 35 74.2 osh-nosouffle mut+alloc
102 65 37 75.9 osh-nosouffle mut+alloc+free
150 121 29 52.3 osh-nosouffle mut+alloc+free+gc
149 126 23 52.8 osh-nosouffle mut+alloc+free+gc+exit
130 82 48 98.4 _bin/cxx-opt+nopool/osh mut+alloc
213 175 37 73.5 _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 1 3.1 bash -
7 3 4 3.4 zsh -
6 3 3 11.5 bumpleak/osh mut
6 4 2 11.6 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
9 1 8 10.6 osh-native mut+alloc+free
10 7 3 8.7 osh-native mut+alloc+free+gc
10 6 4 8.9 osh-native mut+alloc+free+gc+exit
9 8 1 10.9 osh-nosouffle mut+alloc
9 6 3 11.0 osh-nosouffle mut+alloc+free
10 6 4 9.2 osh-nosouffle mut+alloc+free+gc
10 10 0 9.3 osh-nosouffle mut+alloc+free+gc+exit
12 7 5 11.9 _bin/cxx-opt+nopool/osh mut+alloc
12 8 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 10 0 1.6 dash -
31 31 0 3.1 bash -
21 14 7 3.4 zsh -
17 13 4 33.5 bumpleak/osh mut
19 14 5 32.6 _bin/cxx-opt+bumproot/osh mut
21 15 6 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 13 27.0 osh-native mut+alloc
31 18 13 27.1 osh-native mut+alloc+free
20 16 4 8.4 osh-native mut+alloc+free+gc
21 17 4 8.3 osh-native mut+alloc+free+gc+exit
34 25 8 27.4 osh-nosouffle mut+alloc
35 22 14 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.9 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
47 30 16 36.3 _bin/cxx-opt+nopool/osh mut+alloc
31 28 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
103 101 2 3.4 bash -
213 168 45 56.1 bumpleak/osh mut
220 176 44 58.0 _bin/cxx-opt+bumproot/osh mut
237 175 62 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 181 73 48.8 osh-native mut+alloc
264 187 77 50.7 osh-native mut+alloc+free
223 182 41 9.0 osh-native mut+alloc+free+gc
223 174 49 9.0 osh-native mut+alloc+free+gc+exit
263 186 77 49.2 osh-nosouffle mut+alloc
273 203 70 51.2 osh-nosouffle mut+alloc+free
228 177 51 9.6 osh-nosouffle mut+alloc+free+gc
228 178 50 9.7 osh-nosouffle mut+alloc+free+gc+exit
282 197 84 64.1 _bin/cxx-opt+nopool/osh mut+alloc
252 212 40 10.7 _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 5 3.9 dash -
16 6 10 4.8 bash -
16 4 12 3.8 zsh -
17 6 12 12.7 bumpleak/osh mut
19 6 13 13.4 _bin/cxx-opt+bumproot/osh mut
19 10 10 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
22 9 14 11.7 osh-native mut+alloc+free
22 11 12 9.4 osh-native mut+alloc+free+gc
23 16 8 9.4 osh-native mut+alloc+free+gc+exit
21 10 11 12.1 osh-nosouffle mut+alloc
22 9 13 12.3 osh-nosouffle mut+alloc+free
22 12 11 10.0 osh-nosouffle mut+alloc+free+gc
23 9 14 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 12 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 9 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc