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 159 27 70 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 8.3 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.5 979,369 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 3.0 bash -
104 78 32 3.4 zsh -
17 8 8 28.0 bumpleak/osh mut
19 15 4 29.9 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
35 35 0 17.8 osh-native mut+alloc+free+gc
38 33 4 17.8 osh-native mut+alloc+free+gc+exit
43 38 4 31.7 _bin/cxx-opt+nopool/osh mut+alloc
48 47 0 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
21 21 0 1.6 dash -
78 78 0 3.3 bash -
374 220 177 3.5 zsh -
49 42 8 85.3 bumpleak/osh mut
61 53 8 85.2 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 68 32 73.4 osh-native mut+alloc
106 65 41 75.4 osh-native mut+alloc+free
159 151 8 51.4 osh-native mut+alloc+free+gc
158 138 20 52.2 osh-native mut+alloc+free+gc+exit
139 100 40 98.0 _bin/cxx-opt+nopool/osh mut+alloc
220 204 16 74.0 _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 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.4 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 4 8 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 1.6 dash -
29 29 0 2.9 bash -
24 24 0 3.1 zsh -
20 15 4 32.2 bumpleak/osh mut
26 22 4 32.3 _bin/cxx-opt+bumproot/osh mut
29 16 12 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.5 osh-native mut+alloc
39 34 4 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 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
73 69 4 3.1 bash -
168 92 76 53.8 bumpleak/osh mut
181 120 60 54.2 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 134 75 46.4 osh-native mut+alloc
215 154 61 48.0 osh-native mut+alloc+free
180 124 56 8.5 osh-native mut+alloc+free+gc
181 145 36 8.7 osh-native mut+alloc+free+gc+exit
231 154 77 62.7 _bin/cxx-opt+nopool/osh mut+alloc
206 142 63 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 5 6 3.5 dash -
20 12 8 4.3 bash -
19 12 7 3.4 zsh -
21 13 8 12.7 bumpleak/osh mut
22 11 11 12.8 _bin/cxx-opt+bumproot/osh mut
20 14 6 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 8 11.0 osh-native mut+alloc
23 6 17 11.1 osh-native mut+alloc+free
22 12 10 8.7 osh-native mut+alloc+free+gc
24 16 8 8.8 osh-native mut+alloc+free+gc+exit
25 19 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc