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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 155 24 67 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 28 0 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,276 478 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 -
23 23 0 3.0 bash -
104 50 60 3.4 zsh -
16 12 4 28.7 bumpleak/osh mut
20 19 0 29.7 _bin/cxx-opt+bumproot/osh mut
23 11 11 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.3 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 24 20 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 22.3 _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 -
77 77 0 3.1 bash -
376 193 204 3.5 zsh -
48 44 4 85.3 bumpleak/osh mut
59 42 17 85.6 _bin/cxx-opt+bumproot/osh mut
70 47 23 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 68 28 73.4 osh-native mut+alloc
106 71 35 75.3 osh-native mut+alloc+free
155 119 36 51.4 osh-native mut+alloc+free+gc
153 141 12 52.1 osh-native mut+alloc+free+gc+exit
139 83 56 98.7 _bin/cxx-opt+nopool/osh mut+alloc
215 190 24 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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 12.2 bumpleak/osh mut
6 6 0 10.6 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 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 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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 10 0 1.4 dash -
29 25 4 2.9 bash -
24 24 0 3.3 zsh -
19 15 4 32.1 bumpleak/osh mut
25 20 4 33.1 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
53 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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
74 74 0 3.3 bash -
168 84 84 55.1 bumpleak/osh mut
179 131 48 54.8 _bin/cxx-opt+bumproot/osh mut
208 128 80 55.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 128 84 47.1 osh-native mut+alloc
218 155 63 48.9 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
182 141 40 8.8 osh-native mut+alloc+free+gc+exit
232 120 112 63.5 _bin/cxx-opt+nopool/osh mut+alloc
211 150 61 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 17 3 4.3 bash -
18 6 12 3.5 zsh -
18 11 8 11.2 bumpleak/osh mut
21 14 7 13.0 _bin/cxx-opt+bumproot/osh mut
20 11 9 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 8 14 10.7 osh-native mut+alloc
23 16 7 11.0 osh-native mut+alloc+free
23 17 6 8.9 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc