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 153 23 66 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 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 179 0 3 10.2 8.5 982,889 27,376 21 50,000 0 3,805 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,248 478 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 3.1 bash -
104 57 53 3.4 zsh -
16 15 0 28.7 bumpleak/osh mut
19 14 5 30.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.2 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 27 8 18.0 osh-native mut+alloc+free+gc+exit
45 32 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 18 4 1.4 dash -
78 78 0 3.3 bash -
375 218 180 3.4 zsh -
48 48 0 85.7 bumpleak/osh mut
59 51 8 84.5 _bin/cxx-opt+bumproot/osh mut
69 53 16 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 56 40 73.4 osh-native mut+alloc
104 60 44 75.1 osh-native mut+alloc+free
153 129 23 51.4 osh-native mut+alloc+free+gc
156 120 36 52.2 osh-native mut+alloc+free+gc+exit
138 103 36 97.6 _bin/cxx-opt+nopool/osh mut+alloc
219 174 44 72.3 _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 3 3 3.0 bash -
8 7 0 3.3 zsh -
6 0 6 10.9 bumpleak/osh mut
7 7 0 11.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 0 9 10.0 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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
11 11 0 1.4 dash -
28 28 0 2.9 bash -
24 24 0 3.3 zsh -
19 11 8 31.2 bumpleak/osh mut
27 19 8 32.9 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 22 15 26.6 osh-native mut+alloc+free
28 20 8 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 30 23 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 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
73 69 4 3.1 bash -
167 99 68 54.9 bumpleak/osh mut
177 94 82 55.3 _bin/cxx-opt+bumproot/osh mut
191 143 48 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 124 84 46.4 osh-native mut+alloc
216 120 96 48.2 osh-native mut+alloc+free
179 102 77 8.5 osh-native mut+alloc+free+gc
180 116 64 8.5 osh-native mut+alloc+free+gc+exit
228 176 52 63.3 _bin/cxx-opt+nopool/osh mut+alloc
206 131 75 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 3.7 dash -
19 17 3 4.3 bash -
18 5 13 3.5 zsh -
20 11 10 12.8 bumpleak/osh mut
20 16 4 13.6 _bin/cxx-opt+bumproot/osh mut
21 9 13 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 5 10.9 osh-native mut+alloc
22 20 3 10.9 osh-native mut+alloc+free
22 13 9 8.7 osh-native mut+alloc+free+gc
23 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 17 8 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc