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 35 3 9 12.0 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 148 23 62 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,276 478 3 85,322 1 42,661 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 -
23 23 0 3.1 bash -
105 65 46 3.5 zsh -
16 12 4 29.4 bumpleak/osh mut
20 12 8 28.4 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 29 0 25.0 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 33.4 _bin/cxx-opt+nopool/osh mut+alloc
49 33 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
21 18 4 1.4 dash -
77 77 0 3.1 bash -
379 199 202 3.5 zsh -
48 40 8 85.6 bumpleak/osh mut
60 52 8 84.7 _bin/cxx-opt+bumproot/osh mut
70 59 12 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 56 40 73.5 osh-native mut+alloc
104 72 32 75.1 osh-native mut+alloc+free
148 124 24 51.4 osh-native mut+alloc+free+gc
152 132 20 52.1 osh-native mut+alloc+free+gc+exit
137 109 28 99.1 _bin/cxx-opt+nopool/osh mut+alloc
210 165 44 72.2 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 6 0 10.3 bumpleak/osh mut
7 7 0 11.6 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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 3 1.4 dash -
28 28 0 3.0 bash -
23 16 8 3.3 zsh -
19 15 4 31.8 bumpleak/osh mut
25 16 8 32.0 _bin/cxx-opt+bumproot/osh mut
29 24 4 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 33 20 35.9 _bin/cxx-opt+nopool/osh mut+alloc
36 36 0 9.2 _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 68 4 3.0 bash -
168 124 44 54.9 bumpleak/osh mut
181 120 60 54.7 _bin/cxx-opt+bumproot/osh mut
193 112 80 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 120 92 47.1 osh-native mut+alloc
219 155 64 48.9 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
181 128 52 8.7 osh-native mut+alloc+free+gc+exit
231 143 88 64.4 _bin/cxx-opt+nopool/osh mut+alloc
207 147 60 10.1 _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 9 1 3.4 dash -
19 17 3 4.5 bash -
18 5 13 3.4 zsh -
20 11 9 12.0 bumpleak/osh mut
21 17 5 13.0 _bin/cxx-opt+bumproot/osh mut
22 20 2 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
22 11 12 10.9 osh-native mut+alloc+free
22 20 3 8.8 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
25 18 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc