Memory Management Overhead

Source code: oil/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 36 4 10 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 62 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 27 0 2 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 4 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 6 0 1.6 dash -
24 23 0 3.1 bash -
104 64 46 3.4 zsh -
16 12 4 28.5 bumpleak/osh mut
19 12 8 29.3 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 13 18 25.6 osh-native mut+alloc+free
36 24 12 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 25 17 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 22.1 _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
22 18 4 1.4 dash -
81 81 0 3.1 bash -
371 203 190 3.5 zsh -
48 40 8 84.4 bumpleak/osh mut
61 60 0 85.2 _bin/cxx-opt+bumproot/osh mut
69 61 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 56 40 73.6 osh-native mut+alloc
105 84 20 75.1 osh-native mut+alloc+free
148 116 32 51.4 osh-native mut+alloc+free+gc
155 123 32 52.4 osh-native mut+alloc+free+gc+exit
137 101 36 99.3 _bin/cxx-opt+nopool/osh mut+alloc
203 162 41 72.7 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
6 6 0 12.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 4 4 9.8 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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
11 7 4 1.3 dash -
28 24 4 2.9 bash -
24 20 4 3.3 zsh -
19 19 0 32.7 bumpleak/osh mut
25 25 0 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 27 8 26.3 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
27 27 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 23 31 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 26 11 9.5 _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
73 69 4 3.1 bash -
168 100 68 53.7 bumpleak/osh mut
180 132 48 55.8 _bin/cxx-opt+bumproot/osh mut
192 132 60 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 123 87 46.9 osh-native mut+alloc
217 144 72 48.9 osh-native mut+alloc+free
183 151 32 8.7 osh-native mut+alloc+free+gc
181 133 48 8.8 osh-native mut+alloc+free+gc+exit
230 157 73 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 10.2 _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
10 10 0 3.5 dash -
19 19 1 4.3 bash -
18 10 9 3.5 zsh -
18 18 0 11.4 bumpleak/osh mut
20 10 10 12.4 _bin/cxx-opt+bumproot/osh mut
20 10 11 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
22 13 9 11.1 osh-native mut+alloc+free
22 14 9 8.8 osh-native mut+alloc+free+gc
23 14 10 8.9 osh-native mut+alloc+free+gc+exit
25 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc