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 38 5 11 12.0 18.0 476,685 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 177 30 88 46.1 51.6 1,653,273 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,876 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,141 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 4 10.6 8.8 995,218 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,285 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.4 dash -
24 23 0 3.1 bash -
104 51 59 3.4 zsh -
16 12 4 29.1 bumpleak/osh mut
20 16 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 9 25.0 osh-native mut+alloc
32 28 4 25.7 osh-native mut+alloc+free
38 33 4 18.0 osh-native mut+alloc+free+gc
38 37 0 17.8 osh-native mut+alloc+free+gc+exit
44 16 28 31.9 _bin/cxx-opt+nopool/osh mut+alloc
51 35 16 22.0 _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 78 0 3.1 bash -
377 217 182 3.5 zsh -
48 36 12 85.9 bumpleak/osh mut
60 52 8 85.5 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
103 79 24 73.4 osh-native mut+alloc
106 66 39 75.4 osh-native mut+alloc+free
177 169 8 51.6 osh-native mut+alloc+free+gc
179 158 20 52.1 osh-native mut+alloc+free+gc+exit
141 96 44 99.6 _bin/cxx-opt+nopool/osh mut+alloc
239 207 32 74.5 _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 6 0 3.0 bash -
8 8 0 3.3 zsh -
7 0 7 11.7 bumpleak/osh mut
7 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 0 12 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _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 1.6 dash -
29 28 0 3.0 bash -
24 20 4 3.3 zsh -
19 19 0 32.5 bumpleak/osh mut
25 18 7 31.5 _bin/cxx-opt+bumproot/osh mut
29 21 7 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.5 osh-native mut+alloc
39 35 4 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 35 19 36.5 _bin/cxx-opt+nopool/osh mut+alloc
38 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
74 74 0 3.1 bash -
166 113 53 54.3 bumpleak/osh mut
180 112 68 54.9 _bin/cxx-opt+bumproot/osh mut
194 126 67 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 46.9 osh-native mut+alloc
222 117 105 48.9 osh-native mut+alloc+free
183 123 60 8.8 osh-native mut+alloc+free+gc
183 138 45 8.7 osh-native mut+alloc+free+gc+exit
233 138 95 63.1 _bin/cxx-opt+nopool/osh mut+alloc
211 159 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 10 0 3.5 dash -
20 12 9 4.3 bash -
18 7 12 3.5 zsh -
19 18 1 13.2 bumpleak/osh mut
22 15 6 12.8 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 10.7 osh-native mut+alloc
24 21 3 10.9 osh-native mut+alloc+free
23 15 9 8.8 osh-native mut+alloc+free+gc
24 15 9 8.8 osh-native mut+alloc+free+gc+exit
25 16 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc