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 35 4 10 12.0 18.7 471,263 1,282 6 413,150 5 206,575 osh-nosouffle
parse.configure-coreutils 136 25 63 45.9 51.9 1,638,002 4,764 12 1,056,640 6 787,841 osh-native
parse.configure-coreutils 149 25 66 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 8.7 102,791 180 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 8.1 572,115 22,608 12 50,000 0 2,982 osh-native
ex.compute-fib 24 0 1 2.8 8.7 572,115 22,608 12 50,000 0 2,985 osh-nosouffle
ex.bashcomp-parse-help 221 0 3 11.6 9.0 990,261 15,258 21 50,000 0 3,965 osh-native
ex.bashcomp-parse-help 225 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 9.6 117,219 277 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 13 0 3.3 bash -
90 50 48 3.4 zsh -
15 12 3 29.5 bumpleak/osh mut
17 13 4 30.7 _bin/cxx-opt+bumproot/osh mut
19 14 6 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 15 10 25.4 osh-native mut+alloc
28 18 10 25.7 osh-native mut+alloc+free
31 27 4 18.4 osh-native mut+alloc+free+gc
32 23 9 18.4 osh-native mut+alloc+free+gc+exit
29 21 8 26.1 osh-nosouffle mut+alloc
30 19 11 26.2 osh-nosouffle mut+alloc+free
35 30 5 18.7 osh-nosouffle mut+alloc+free+gc
37 29 8 18.6 osh-nosouffle mut+alloc+free+gc+exit
39 28 11 32.4 _bin/cxx-opt+nopool/osh mut+alloc
46 31 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
23 23 0 1.6 dash -
42 41 1 3.4 bash -
342 198 169 3.8 zsh -
45 38 7 86.3 bumpleak/osh mut
49 35 14 85.2 _bin/cxx-opt+bumproot/osh mut
60 46 13 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
82 49 33 73.8 osh-native mut+alloc
89 60 29 75.5 osh-native mut+alloc+free
136 112 23 51.9 osh-native mut+alloc+free+gc
145 121 24 52.3 osh-native mut+alloc+free+gc+exit
91 62 29 74.1 osh-nosouffle mut+alloc
99 68 31 76.0 osh-nosouffle mut+alloc+free
149 115 34 52.3 osh-nosouffle mut+alloc+free+gc
161 139 22 52.8 osh-nosouffle mut+alloc+free+gc+exit
125 74 51 98.4 _bin/cxx-opt+nopool/osh mut+alloc
194 157 37 71.8 _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 3.1 bash -
7 3 4 3.4 zsh -
6 4 2 11.9 bumpleak/osh mut
6 3 3 12.9 _bin/cxx-opt+bumproot/osh mut
7 5 2 11.9 _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 6 3 8.7 osh-native mut+alloc+free+gc
9 7 2 8.9 osh-native mut+alloc+free+gc+exit
9 4 4 11.0 osh-nosouffle mut+alloc
9 6 3 11.1 osh-nosouffle mut+alloc+free
10 7 3 9.2 osh-nosouffle mut+alloc+free+gc
10 8 2 9.2 osh-nosouffle mut+alloc+free+gc+exit
11 5 6 12.0 _bin/cxx-opt+nopool/osh mut+alloc
12 9 3 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
10 9 1 1.4 dash -
30 30 0 3.3 bash -
21 14 7 3.4 zsh -
16 13 3 33.5 bumpleak/osh mut
18 14 4 31.9 _bin/cxx-opt+bumproot/osh mut
21 19 2 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 22 6 26.9 osh-native mut+alloc
31 16 14 27.1 osh-native mut+alloc+free
20 16 4 8.1 osh-native mut+alloc+free+gc
20 18 2 8.3 osh-native mut+alloc+free+gc+exit
33 21 12 27.3 osh-nosouffle mut+alloc
35 24 11 27.4 osh-nosouffle mut+alloc+free
24 22 2 8.7 osh-nosouffle mut+alloc+free+gc
24 21 3 8.7 osh-nosouffle mut+alloc+free+gc+exit
48 37 11 36.1 _bin/cxx-opt+nopool/osh mut+alloc
31 28 3 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
105 102 3 3.4 bash -
211 163 48 57.1 bumpleak/osh mut
222 173 49 57.0 _bin/cxx-opt+bumproot/osh mut
243 178 65 57.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
255 185 70 48.9 osh-native mut+alloc
265 192 72 50.7 osh-native mut+alloc+free
221 173 47 9.0 osh-native mut+alloc+free+gc
222 173 48 9.2 osh-native mut+alloc+free+gc+exit
264 179 85 49.3 osh-nosouffle mut+alloc
271 202 69 51.3 osh-nosouffle mut+alloc+free
225 178 47 9.6 osh-nosouffle mut+alloc+free+gc
226 186 40 9.6 osh-nosouffle mut+alloc+free+gc+exit
280 205 75 64.0 _bin/cxx-opt+nopool/osh mut+alloc
250 200 50 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 9 7 5.0 bash -
15 6 10 3.8 zsh -
17 9 9 14.0 bumpleak/osh mut
19 7 12 13.2 _bin/cxx-opt+bumproot/osh mut
20 10 10 14.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 11 9 11.4 osh-native mut+alloc
20 10 11 11.7 osh-native mut+alloc+free
20 14 7 9.6 osh-native mut+alloc+free+gc
21 12 9 9.7 osh-native mut+alloc+free+gc+exit
20 7 13 12.1 osh-nosouffle mut+alloc
22 13 9 12.1 osh-nosouffle mut+alloc+free
22 10 13 10.1 osh-nosouffle mut+alloc+free+gc
22 10 12 10.1 osh-nosouffle mut+alloc+free+gc+exit
23 13 11 13.1 _bin/cxx-opt+nopool/osh mut+alloc
24 9 15 10.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc