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 18.0 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 146 23 59 44.6 49.9 1,653,299 4,764 12 1,030,676 6 769,422 osh-native
parse.abuild 9 1 1 2.6 8.4 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 31,810 12 50,000 0 2,842 osh-native
ex.bashcomp-parse-help 180 0 3 10.3 8.8 995,244 27,376 21 50,000 0 3,824 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,311 478 3 85,370 1 42,685 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 -
104 60 51 3.3 zsh -
17 10 7 29.9 bumpleak/osh mut
20 16 4 30.4 _bin/cxx-opt+bumproot/osh mut
23 15 8 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 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
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 33.5 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 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 78 0 3.1 bash -
376 207 190 3.7 zsh -
49 41 8 84.5 bumpleak/osh mut
60 60 0 86.2 _bin/cxx-opt+bumproot/osh mut
70 54 15 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 60 36 73.3 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
146 121 24 49.9 osh-native mut+alloc+free+gc
151 131 20 50.7 osh-native mut+alloc+free+gc+exit
139 107 32 98.5 _bin/cxx-opt+nopool/osh mut+alloc
202 178 24 67.9 _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 0 7 3.3 zsh -
6 3 3 10.4 bumpleak/osh mut
6 6 0 11.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.2 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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 3.0 bash -
24 23 0 3.3 zsh -
19 19 0 31.2 bumpleak/osh mut
25 22 4 31.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
37 33 4 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 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 65 8 3.3 bash -
167 123 44 55.3 bumpleak/osh mut
177 102 75 55.1 _bin/cxx-opt+bumproot/osh mut
193 124 68 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 144 64 46.9 osh-native mut+alloc
213 130 83 48.7 osh-native mut+alloc+free
180 112 68 8.8 osh-native mut+alloc+free+gc
180 131 48 8.8 osh-native mut+alloc+free+gc+exit
231 150 81 63.3 _bin/cxx-opt+nopool/osh mut+alloc
207 151 56 10.2 _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 8 1 3.5 dash -
20 14 6 4.5 bash -
18 14 5 3.5 zsh -
19 11 8 12.2 bumpleak/osh mut
19 10 9 12.1 _bin/cxx-opt+bumproot/osh mut
19 11 9 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 2 11.0 osh-native mut+alloc
22 10 12 11.0 osh-native mut+alloc+free
22 14 8 8.7 osh-native mut+alloc+free+gc
22 23 0 8.9 osh-native mut+alloc+free+gc+exit
24 11 13 12.7 _bin/cxx-opt+nopool/osh mut+alloc
24 18 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc