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 17.6 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 165 26 76 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,276 478 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 23 0 3.0 bash -
105 65 45 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 16 4 28.4 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 28 8 17.6 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 33.4 _bin/cxx-opt+nopool/osh mut+alloc
52 39 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 21 0 1.4 dash -
78 74 4 3.1 bash -
379 207 193 3.5 zsh -
50 38 11 85.1 bumpleak/osh mut
61 53 8 85.0 _bin/cxx-opt+bumproot/osh mut
71 51 20 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.4 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
165 128 36 51.3 osh-native mut+alloc+free+gc
169 144 24 52.2 osh-native mut+alloc+free+gc+exit
141 98 43 98.6 _bin/cxx-opt+nopool/osh mut+alloc
234 214 20 70.8 _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 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 10.4 bumpleak/osh mut
7 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.8 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
12 0 12 11.4 _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 -
28 28 0 3.0 bash -
24 24 0 3.3 zsh -
19 11 8 31.3 bumpleak/osh mut
26 17 8 32.3 _bin/cxx-opt+bumproot/osh mut
29 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 20 8 8.0 osh-native mut+alloc+free+gc+exit
54 23 31 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.3 _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 73 0 3.1 bash -
167 91 75 54.1 bumpleak/osh mut
180 131 48 55.5 _bin/cxx-opt+bumproot/osh mut
194 121 72 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 144 68 47.1 osh-native mut+alloc
224 144 80 48.9 osh-native mut+alloc+free
180 128 52 8.7 osh-native mut+alloc+free+gc
182 134 47 8.7 osh-native mut+alloc+free+gc+exit
233 137 97 64.3 _bin/cxx-opt+nopool/osh mut+alloc
213 172 40 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 3.4 dash -
19 13 7 4.3 bash -
18 13 5 3.4 zsh -
19 12 7 11.9 bumpleak/osh mut
21 16 6 13.5 _bin/cxx-opt+bumproot/osh mut
20 17 3 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 9 11.0 osh-native mut+alloc
23 10 13 10.9 osh-native mut+alloc+free
23 20 3 9.0 osh-native mut+alloc+free+gc
23 19 5 8.8 osh-native mut+alloc+free+gc+exit
25 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc