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 34 5 12 12.0 18.2 471,263 1,282 6 413,142 5 206,571 osh-native
parse.configure-cpython 36 4 10 12.0 18.6 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 141 27 67 45.9 51.7 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 155 26 72 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 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 8.3 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 24 0 2 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 225 0 4 11.6 9.2 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 229 0 4 11.6 9.4 990,260 15,258 21 50,000 0 3,969 osh-nosouffle
ex.abuild-print-help 21 1 2 3.0 9.6 117,219 277 3 83,990 1 41,995 osh-native
ex.abuild-print-help 23 1 2 3.0 9.8 117,218 277 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 10 3 3.3 bash -
91 45 52 3.5 zsh -
15 14 1 30.0 bumpleak/osh mut
16 13 4 30.8 _bin/cxx-opt+bumproot/osh mut
19 14 5 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 14 12 25.3 osh-native mut+alloc
28 19 9 25.8 osh-native mut+alloc+free
34 28 6 18.2 osh-native mut+alloc+free+gc
34 26 8 18.4 osh-native mut+alloc+free+gc+exit
29 15 14 26.0 osh-nosouffle mut+alloc
31 15 16 26.2 osh-nosouffle mut+alloc+free
36 25 11 18.6 osh-nosouffle mut+alloc+free+gc
37 30 7 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 24 16 33.3 _bin/cxx-opt+nopool/osh mut+alloc
46 39 7 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 22 1 1.6 dash -
43 41 1 3.5 bash -
330 182 173 3.5 zsh -
46 34 12 86.3 bumpleak/osh mut
49 36 13 85.3 _bin/cxx-opt+bumproot/osh mut
60 49 10 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
84 56 28 73.5 osh-native mut+alloc
91 54 36 75.5 osh-native mut+alloc+free
141 122 19 51.7 osh-native mut+alloc+free+gc
155 129 26 52.4 osh-native mut+alloc+free+gc+exit
92 62 30 74.1 osh-nosouffle mut+alloc
101 69 32 76.0 osh-nosouffle mut+alloc+free
155 122 32 52.4 osh-nosouffle mut+alloc+free+gc
151 130 21 52.9 osh-nosouffle mut+alloc+free+gc+exit
127 84 43 98.0 _bin/cxx-opt+nopool/osh mut+alloc
203 170 33 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 2 0 1.6 dash -
4 3 1 3.3 bash -
6 3 4 3.5 zsh -
6 5 1 12.2 bumpleak/osh mut
7 2 4 12.3 _bin/cxx-opt+bumproot/osh mut
7 5 2 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 5 3 10.6 osh-native mut+alloc
8 5 3 10.9 osh-native mut+alloc+free
9 7 2 8.7 osh-native mut+alloc+free+gc
9 8 1 8.9 osh-native mut+alloc+free+gc+exit
9 6 3 11.0 osh-nosouffle mut+alloc
9 7 2 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.0 osh-nosouffle mut+alloc+free+gc
10 8 2 9.3 osh-nosouffle mut+alloc+free+gc+exit
11 7 4 11.9 _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 1.6 dash -
32 32 0 3.3 bash -
21 15 6 3.4 zsh -
17 14 3 33.0 bumpleak/osh mut
19 14 5 32.7 _bin/cxx-opt+bumproot/osh mut
21 18 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 14 14 26.9 osh-native mut+alloc
30 22 8 27.3 osh-native mut+alloc+free
20 17 3 8.3 osh-native mut+alloc+free+gc
20 19 1 8.4 osh-native mut+alloc+free+gc+exit
33 19 14 27.4 osh-nosouffle mut+alloc
35 23 12 27.4 osh-nosouffle mut+alloc+free
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc
25 21 4 8.8 osh-nosouffle mut+alloc+free+gc+exit
46 30 16 36.1 _bin/cxx-opt+nopool/osh mut+alloc
29 26 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
105 104 1 3.4 bash -
213 152 61 58.1 bumpleak/osh mut
222 163 59 56.7 _bin/cxx-opt+bumproot/osh mut
241 197 44 59.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 190 65 48.8 osh-native mut+alloc
269 194 74 50.7 osh-native mut+alloc+free
225 174 51 9.2 osh-native mut+alloc+free+gc
224 175 49 9.2 osh-native mut+alloc+free+gc+exit
265 191 74 49.2 osh-nosouffle mut+alloc
273 193 80 51.1 osh-nosouffle mut+alloc+free
229 181 48 9.4 osh-nosouffle mut+alloc+free+gc
228 175 53 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 194 86 64.2 _bin/cxx-opt+nopool/osh mut+alloc
253 204 49 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 3 6 3.9 dash -
16 9 7 4.7 bash -
16 5 12 3.9 zsh -
17 9 9 14.1 bumpleak/osh mut
19 9 10 13.1 _bin/cxx-opt+bumproot/osh mut
19 13 6 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 10 10 11.5 osh-native mut+alloc
21 9 13 11.7 osh-native mut+alloc+free
21 13 9 9.6 osh-native mut+alloc+free+gc
21 13 8 9.6 osh-native mut+alloc+free+gc+exit
20 10 11 12.2 osh-nosouffle mut+alloc
22 11 11 12.2 osh-nosouffle mut+alloc+free
23 12 13 9.8 osh-nosouffle mut+alloc+free+gc
23 14 9 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 15 8 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 15 10 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc