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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 164 25 74 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.3 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.7 116,284 478 3 85,332 1 42,666 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 19 4 3.0 bash -
105 70 41 3.3 zsh -
16 8 8 28.7 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
23 22 0 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 24.9 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 31 4 17.8 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 34 9 32.1 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 21.9 _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 18 4 1.4 dash -
78 74 4 3.1 bash -
379 201 199 3.5 zsh -
47 35 12 85.2 bumpleak/osh mut
59 43 16 85.8 _bin/cxx-opt+bumproot/osh mut
70 70 0 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
107 63 43 75.3 osh-native mut+alloc+free
164 140 24 51.6 osh-native mut+alloc+free+gc
162 134 28 52.1 osh-native mut+alloc+free+gc+exit
139 103 36 98.9 _bin/cxx-opt+nopool/osh mut+alloc
211 155 56 73.7 _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 7 0 3.3 zsh -
6 3 3 11.7 bumpleak/osh mut
7 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 5 5 8.3 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.2 _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 29 0 2.8 bash -
24 20 4 3.3 zsh -
20 12 8 32.2 bumpleak/osh mut
25 21 4 32.5 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 18 18 26.2 osh-native mut+alloc
38 29 8 26.7 osh-native mut+alloc+free
28 20 8 8.0 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
53 38 15 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
72 68 4 3.1 bash -
168 108 60 54.6 bumpleak/osh mut
179 139 40 54.1 _bin/cxx-opt+bumproot/osh mut
195 138 57 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 125 85 47.1 osh-native mut+alloc
216 140 76 48.9 osh-native mut+alloc+free
180 125 55 8.7 osh-native mut+alloc+free+gc
180 116 64 8.8 osh-native mut+alloc+free+gc+exit
230 139 91 63.4 _bin/cxx-opt+nopool/osh mut+alloc
208 156 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 5 5 3.4 dash -
20 15 5 4.3 bash -
18 11 7 3.5 zsh -
18 14 5 11.8 bumpleak/osh mut
21 15 6 13.0 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 11.0 osh-native mut+alloc
23 16 8 10.9 osh-native mut+alloc+free
23 17 6 8.7 osh-native mut+alloc+free+gc
24 18 6 8.8 osh-native mut+alloc+free+gc+exit
25 8 17 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc