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 36 4 10 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 164 26 75 46.1 51.3 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 179 0 3 10.3 8.7 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 23 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 19 4 3.1 bash -
104 58 52 3.3 zsh -
16 10 6 27.9 bumpleak/osh mut
20 20 0 28.5 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
32 20 12 25.3 osh-native mut+alloc+free
36 20 16 17.8 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
45 28 16 32.3 _bin/cxx-opt+nopool/osh mut+alloc
48 44 4 21.8 _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
23 23 0 1.4 dash -
78 77 0 3.1 bash -
378 201 199 3.5 zsh -
49 41 8 85.3 bumpleak/osh mut
59 51 8 84.6 _bin/cxx-opt+bumproot/osh mut
71 67 4 84.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.4 osh-native mut+alloc
107 83 24 75.3 osh-native mut+alloc+free
164 147 16 51.3 osh-native mut+alloc+free+gc
161 132 28 52.1 osh-native mut+alloc+free+gc+exit
139 103 36 99.0 _bin/cxx-opt+nopool/osh mut+alloc
232 187 44 73.0 _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 3.0 bash -
8 7 0 3.1 zsh -
6 6 0 11.3 bumpleak/osh mut
7 7 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
10 10 0 8.3 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.3 zsh -
20 12 8 32.4 bumpleak/osh mut
25 21 4 31.4 _bin/cxx-opt+bumproot/osh mut
28 23 4 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
39 17 21 26.7 osh-native mut+alloc+free
28 23 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
56 44 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.2 _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 -
168 111 56 54.5 bumpleak/osh mut
180 124 56 54.3 _bin/cxx-opt+bumproot/osh mut
192 112 80 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 126 83 46.4 osh-native mut+alloc
218 139 79 48.0 osh-native mut+alloc+free
179 122 57 8.7 osh-native mut+alloc+free+gc
180 120 60 8.7 osh-native mut+alloc+free+gc+exit
228 167 61 63.4 _bin/cxx-opt+nopool/osh mut+alloc
207 159 48 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 6 4 3.5 dash -
21 13 8 4.3 bash -
18 12 7 3.4 zsh -
18 16 3 11.1 bumpleak/osh mut
22 14 8 13.1 _bin/cxx-opt+bumproot/osh mut
22 16 7 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 10.9 osh-native mut+alloc
23 12 11 10.7 osh-native mut+alloc+free
23 13 10 8.7 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
25 11 14 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc