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 9 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 152 25 65 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 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 9.0 116,240 478 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
7 7 0 1.4 dash -
23 23 0 3.1 bash -
105 62 51 3.4 zsh -
16 8 8 29.2 bumpleak/osh mut
20 20 0 30.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
31 20 12 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
39 31 8 17.8 osh-native mut+alloc+free+gc+exit
43 23 19 32.8 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 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 17 4 1.4 dash -
79 78 0 3.1 bash -
374 187 209 3.5 zsh -
48 36 12 84.8 bumpleak/osh mut
60 44 16 85.1 _bin/cxx-opt+bumproot/osh mut
72 44 28 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 66 33 73.5 osh-native mut+alloc
107 55 51 75.1 osh-native mut+alloc+free
152 128 24 51.4 osh-native mut+alloc+free+gc
158 126 32 52.2 osh-native mut+alloc+free+gc+exit
140 96 44 98.0 _bin/cxx-opt+nopool/osh mut+alloc
217 192 24 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 8 0 3.3 zsh -
6 6 0 10.5 bumpleak/osh mut
6 6 0 12.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 6 3 9.8 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 0 9 8.4 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 11 0 9.2 _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 10 0 1.4 dash -
29 29 0 3.0 bash -
23 15 8 3.1 zsh -
19 15 4 32.0 bumpleak/osh mut
25 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
38 21 17 26.6 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
29 28 0 8.0 osh-native mut+alloc+free+gc+exit
52 36 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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
74 74 0 3.0 bash -
170 93 77 57.1 bumpleak/osh mut
181 116 64 57.4 _bin/cxx-opt+bumproot/osh mut
194 131 63 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 153 60 48.8 osh-native mut+alloc
219 163 56 50.6 osh-native mut+alloc+free
182 109 73 8.7 osh-native mut+alloc+free+gc
183 123 60 8.7 osh-native mut+alloc+free+gc+exit
233 148 84 65.9 _bin/cxx-opt+nopool/osh mut+alloc
210 145 65 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
9 9 1 3.5 dash -
19 16 4 4.3 bash -
17 6 12 3.5 zsh -
20 15 5 12.4 bumpleak/osh mut
20 13 7 12.1 _bin/cxx-opt+bumproot/osh mut
20 19 2 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.7 osh-native mut+alloc
23 18 5 11.0 osh-native mut+alloc+free
22 19 4 9.0 osh-native mut+alloc+free+gc
23 11 12 9.0 osh-native mut+alloc+free+gc+exit
25 24 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc