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 10 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 148 23 61 46.1 51.5 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,240 478 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 -
104 58 52 3.4 zsh -
17 12 4 29.4 bumpleak/osh mut
20 16 4 28.7 _bin/cxx-opt+bumproot/osh mut
22 14 7 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 14 14 25.2 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
35 35 0 17.8 osh-native mut+alloc+free+gc+exit
44 20 24 31.8 _bin/cxx-opt+nopool/osh mut+alloc
48 32 16 21.9 _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 0 1.6 dash -
77 73 4 3.1 bash -
375 221 175 3.5 zsh -
50 37 12 84.2 bumpleak/osh mut
60 44 16 85.4 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.3 osh-native mut+alloc
105 64 40 75.3 osh-native mut+alloc+free
148 132 16 51.5 osh-native mut+alloc+free+gc
151 127 25 52.0 osh-native mut+alloc+free+gc+exit
141 89 52 98.3 _bin/cxx-opt+nopool/osh mut+alloc
205 162 43 72.3 _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 1.4 dash -
6 3 3 2.9 bash -
8 8 0 3.3 zsh -
5 0 5 11.8 bumpleak/osh mut
7 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 3 6 10.1 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
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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 7 3 1.4 dash -
29 28 0 2.9 bash -
23 19 4 3.3 zsh -
18 14 5 31.4 bumpleak/osh mut
26 19 7 32.5 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
37 30 7 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
27 23 4 7.9 osh-native mut+alloc+free+gc+exit
53 33 20 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.4 _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
72 64 8 3.1 bash -
165 118 47 54.7 bumpleak/osh mut
180 147 32 53.9 _bin/cxx-opt+bumproot/osh mut
192 164 28 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 134 75 46.5 osh-native mut+alloc
213 138 75 48.1 osh-native mut+alloc+free
181 138 43 8.8 osh-native mut+alloc+free+gc
179 119 60 8.7 osh-native mut+alloc+free+gc+exit
228 156 72 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 155 52 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 8 2 3.4 dash -
19 14 5 4.3 bash -
17 12 6 3.7 zsh -
18 5 13 11.4 bumpleak/osh mut
19 6 13 11.8 _bin/cxx-opt+bumproot/osh mut
21 14 7 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.9 osh-native mut+alloc
22 20 2 10.7 osh-native mut+alloc+free
22 11 12 8.7 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc