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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 153 25 66 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 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 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 10.6 8.5 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,276 478 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 1.4 dash -
24 23 0 3.1 bash -
105 44 68 3.4 zsh -
16 16 0 28.6 bumpleak/osh mut
20 16 4 28.8 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 27 4 25.4 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 19 23 31.9 _bin/cxx-opt+nopool/osh mut+alloc
50 46 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 22 0 1.6 dash -
78 74 4 3.3 bash -
376 242 156 3.5 zsh -
49 38 11 85.5 bumpleak/osh mut
61 57 4 85.2 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.3 osh-native mut+alloc
105 72 32 75.3 osh-native mut+alloc+free
153 137 16 51.4 osh-native mut+alloc+free+gc
164 140 24 52.3 osh-native mut+alloc+free+gc+exit
139 98 41 98.2 _bin/cxx-opt+nopool/osh mut+alloc
220 180 40 73.5 _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 1.3 dash -
6 3 3 3.0 bash -
8 4 4 3.1 zsh -
6 0 6 11.3 bumpleak/osh mut
6 6 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.0 osh-native mut+alloc
8 8 0 10.2 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
10 7 3 1.3 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
19 19 0 31.7 bumpleak/osh mut
25 21 4 33.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 26 13 26.6 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 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
75 67 8 3.0 bash -
169 100 68 54.7 bumpleak/osh mut
179 147 32 55.5 _bin/cxx-opt+bumproot/osh mut
194 111 83 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
216 156 60 47.1 osh-native mut+alloc
220 160 60 48.9 osh-native mut+alloc+free
182 113 69 8.5 osh-native mut+alloc+free+gc
182 146 36 8.7 osh-native mut+alloc+free+gc+exit
233 168 64 62.7 _bin/cxx-opt+nopool/osh mut+alloc
208 116 92 10.3 _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 18 2 4.5 bash -
18 12 6 3.4 zsh -
18 17 2 11.5 bumpleak/osh mut
20 13 7 12.1 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 13 9 10.7 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
22 13 9 8.7 osh-native mut+alloc+free+gc
23 11 12 8.8 osh-native mut+alloc+free+gc+exit
24 22 3 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc