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 161 25 69 46.1 51.3 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 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,240 478 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 3 3 1.6 dash -
23 23 0 3.0 bash -
106 72 41 3.7 zsh -
16 12 4 27.8 bumpleak/osh mut
20 8 12 29.1 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 24.9 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
35 35 0 17.7 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 20 24 31.9 _bin/cxx-opt+nopool/osh mut+alloc
53 41 12 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
22 17 4 1.4 dash -
78 77 0 3.3 bash -
385 210 194 3.5 zsh -
50 38 11 84.4 bumpleak/osh mut
61 57 4 84.4 _bin/cxx-opt+bumproot/osh mut
71 55 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 57 41 73.4 osh-native mut+alloc
106 71 35 75.1 osh-native mut+alloc+free
161 132 28 51.3 osh-native mut+alloc+free+gc
168 132 36 52.2 osh-native mut+alloc+free+gc+exit
140 100 40 98.2 _bin/cxx-opt+nopool/osh mut+alloc
244 203 40 73.2 _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 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 12.1 bumpleak/osh mut
6 0 6 12.3 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _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 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 -
24 12 12 3.1 zsh -
18 18 0 30.9 bumpleak/osh mut
25 25 0 31.6 _bin/cxx-opt+bumproot/osh mut
27 23 5 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 22 15 26.3 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
28 21 7 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 39 15 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 61 12 3.0 bash -
168 112 56 57.1 bumpleak/osh mut
186 129 57 56.9 _bin/cxx-opt+bumproot/osh mut
198 123 75 57.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 116 96 48.9 osh-native mut+alloc
220 164 56 50.7 osh-native mut+alloc+free
182 129 53 8.7 osh-native mut+alloc+free+gc
183 132 52 8.7 osh-native mut+alloc+free+gc+exit
236 152 84 65.2 _bin/cxx-opt+nopool/osh mut+alloc
214 165 48 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 3.5 dash -
20 7 14 4.3 bash -
18 13 5 3.4 zsh -
19 12 7 11.5 bumpleak/osh mut
20 11 9 11.9 _bin/cxx-opt+bumproot/osh mut
20 7 14 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.7 osh-native mut+alloc
23 22 1 11.0 osh-native mut+alloc+free
22 13 10 8.8 osh-native mut+alloc+free+gc
23 15 8 8.9 osh-native mut+alloc+free+gc+exit
26 15 11 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.6 _bin/cxx-opt+nopool/osh mut+alloc+free+gc