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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 153 24 66 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 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 22 1 2 2.8 8.8 116,284 478 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 23 0 3.1 bash -
105 65 46 3.5 zsh -
16 16 0 28.7 bumpleak/osh mut
20 16 4 29.2 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 27 4 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
37 33 4 17.8 osh-native mut+alloc+free+gc+exit
43 23 19 32.4 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 22.2 _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 -
78 78 0 3.1 bash -
378 202 197 3.7 zsh -
49 37 12 84.7 bumpleak/osh mut
60 52 8 86.1 _bin/cxx-opt+bumproot/osh mut
70 61 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 82 16 73.3 osh-native mut+alloc
105 61 44 75.3 osh-native mut+alloc+free
153 129 24 51.4 osh-native mut+alloc+free+gc
159 123 36 52.2 osh-native mut+alloc+free+gc+exit
138 90 47 97.7 _bin/cxx-opt+nopool/osh mut+alloc
218 194 24 73.2 _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 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.8 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _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 7 3 1.4 dash -
29 28 0 2.8 bash -
24 20 4 3.3 zsh -
19 19 0 32.3 bumpleak/osh mut
25 21 4 31.7 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
38 26 11 26.3 osh-native mut+alloc
38 30 8 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 35 19 35.9 _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
72 68 4 3.1 bash -
167 107 60 54.0 bumpleak/osh mut
180 139 40 54.5 _bin/cxx-opt+bumproot/osh mut
193 100 92 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 134 75 47.1 osh-native mut+alloc
217 157 59 48.8 osh-native mut+alloc+free
180 124 56 8.7 osh-native mut+alloc+free+gc
181 124 56 8.8 osh-native mut+alloc+free+gc+exit
230 165 65 63.9 _bin/cxx-opt+nopool/osh mut+alloc
210 138 71 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 4 6 3.5 dash -
19 18 2 4.5 bash -
18 11 7 3.5 zsh -
19 14 5 11.9 bumpleak/osh mut
21 12 10 13.3 _bin/cxx-opt+bumproot/osh mut
20 18 3 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.9 osh-native mut+alloc
22 14 9 11.0 osh-native mut+alloc+free
22 14 9 8.8 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
25 19 7 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc