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 3 9 12.0 18.4 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 34 3 10 12.0 18.6 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 138 24 64 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 149 25 66 45.9 52.1 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 10 1 2 2.6 9.0 102,791 180 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 2 2.8 8.8 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 220 0 4 11.6 8.9 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 3 11.6 9.7 990,260 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 22 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 7 0 1.7 dash -
13 12 1 3.3 bash -
90 47 51 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
16 13 3 29.7 _bin/cxx-opt+bumproot/osh mut
19 14 5 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 11 25.3 osh-native mut+alloc
28 19 8 25.8 osh-native mut+alloc+free
31 24 7 18.4 osh-native mut+alloc+free+gc
32 24 8 18.2 osh-native mut+alloc+free+gc+exit
28 15 13 26.0 osh-nosouffle mut+alloc
30 18 12 26.3 osh-nosouffle mut+alloc+free
34 27 7 18.6 osh-nosouffle mut+alloc+free+gc
35 31 4 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 15 32.6 _bin/cxx-opt+nopool/osh mut+alloc
46 35 11 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 1.6 dash -
42 42 0 3.4 bash -
328 191 159 3.7 zsh -
45 34 11 85.2 bumpleak/osh mut
48 42 6 85.7 _bin/cxx-opt+bumproot/osh mut
59 39 20 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
83 48 35 73.8 osh-native mut+alloc
91 61 30 75.5 osh-native mut+alloc+free
138 115 23 51.7 osh-native mut+alloc+free+gc
144 122 22 52.4 osh-native mut+alloc+free+gc+exit
93 51 42 74.1 osh-nosouffle mut+alloc
102 66 36 76.0 osh-nosouffle mut+alloc+free
149 124 25 52.1 osh-nosouffle mut+alloc+free+gc
154 132 22 52.9 osh-nosouffle mut+alloc+free+gc+exit
129 91 38 98.9 _bin/cxx-opt+nopool/osh mut+alloc
207 167 41 74.2 _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 3.0 bash -
6 4 3 3.5 zsh -
6 4 2 13.0 bumpleak/osh mut
6 3 3 11.4 _bin/cxx-opt+bumproot/osh mut
7 6 1 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.5 osh-native mut+alloc
8 4 4 10.6 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 5 4 11.0 osh-nosouffle mut+alloc
9 5 4 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 6 5 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 12.0 _bin/cxx-opt+nopool/osh mut+alloc
13 9 4 9.8 _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 1.6 dash -
31 30 1 3.3 bash -
21 18 3 3.4 zsh -
17 15 2 32.5 bumpleak/osh mut
18 13 5 32.7 _bin/cxx-opt+bumproot/osh mut
21 14 7 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 26.7 osh-native mut+alloc
30 17 13 27.1 osh-native mut+alloc+free
20 15 5 8.1 osh-native mut+alloc+free+gc
20 17 3 8.3 osh-native mut+alloc+free+gc+exit
34 23 11 27.4 osh-nosouffle mut+alloc
36 24 12 27.5 osh-nosouffle mut+alloc+free
25 24 1 8.8 osh-nosouffle mut+alloc+free+gc
25 23 2 8.7 osh-nosouffle mut+alloc+free+gc+exit
46 25 21 36.8 _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
105 101 4 3.5 bash -
213 160 52 56.1 bumpleak/osh mut
221 163 58 56.1 _bin/cxx-opt+bumproot/osh mut
240 183 57 57.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
254 189 65 48.6 osh-native mut+alloc
266 190 75 50.7 osh-native mut+alloc+free
220 170 49 8.9 osh-native mut+alloc+free+gc
222 186 36 9.2 osh-native mut+alloc+free+gc+exit
262 182 80 49.4 osh-nosouffle mut+alloc
277 214 64 51.4 osh-nosouffle mut+alloc+free
229 186 43 9.7 osh-nosouffle mut+alloc+free+gc
228 194 34 9.4 osh-nosouffle mut+alloc+free+gc+exit
281 208 73 64.2 _bin/cxx-opt+nopool/osh mut+alloc
255 206 48 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 6 4 4.1 dash -
16 8 9 4.7 bash -
15 7 9 4.2 zsh -
18 8 11 12.8 bumpleak/osh mut
19 10 10 14.0 _bin/cxx-opt+bumproot/osh mut
19 7 12 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 9 11 11.5 osh-native mut+alloc
21 12 10 11.7 osh-native mut+alloc+free
20 14 7 9.6 osh-native mut+alloc+free+gc
21 11 11 9.6 osh-native mut+alloc+free+gc+exit
20 8 13 12.1 osh-nosouffle mut+alloc
22 11 11 12.1 osh-nosouffle mut+alloc+free
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc
22 9 14 10.2 osh-nosouffle mut+alloc+free+gc+exit
23 9 14 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 13 11 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc