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 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 152 23 64 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 8.5 101,902 180 2 75,134 1 37,567 osh-native
ex.compute-fib 28 0 1 2.4 7.9 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.7 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,311 270 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 1.4 dash -
23 23 0 3.1 bash -
107 53 61 3.4 zsh -
16 12 4 27.9 bumpleak/osh mut
20 20 0 29.9 _bin/cxx-opt+bumproot/osh mut
23 22 0 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.3 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.3 _bin/cxx-opt+nopool/osh mut+alloc
49 30 19 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 74 4 3.1 bash -
379 234 168 3.4 zsh -
50 38 11 85.1 bumpleak/osh mut
59 51 8 85.7 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.4 osh-native mut+alloc
107 63 43 75.3 osh-native mut+alloc+free
152 116 36 49.9 osh-native mut+alloc+free+gc
159 130 28 50.7 osh-native mut+alloc+free+gc+exit
140 100 40 99.0 _bin/cxx-opt+nopool/osh mut+alloc
211 171 40 67.7 _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 4 4 3.1 zsh -
6 3 3 11.9 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
10 10 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 -
28 25 4 2.9 bash -
24 20 4 3.3 zsh -
19 11 7 31.1 bumpleak/osh mut
25 18 7 31.6 _bin/cxx-opt+bumproot/osh mut
29 21 8 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.2 osh-native mut+alloc
38 26 11 26.3 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 23 30 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.4 _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
74 70 4 3.1 bash -
169 98 71 55.0 bumpleak/osh mut
180 100 80 56.1 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 155 56 47.1 osh-native mut+alloc
217 138 79 48.6 osh-native mut+alloc+free
181 106 75 8.7 osh-native mut+alloc+free+gc
181 120 60 8.7 osh-native mut+alloc+free+gc+exit
233 133 100 64.0 _bin/cxx-opt+nopool/osh mut+alloc
213 169 44 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 3.5 dash -
19 14 5 4.5 bash -
18 11 7 3.5 zsh -
17 16 1 13.0 bumpleak/osh mut
19 12 7 11.9 _bin/cxx-opt+bumproot/osh mut
20 5 16 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 7 10.9 osh-native mut+alloc
22 13 10 11.0 osh-native mut+alloc+free
22 11 12 9.0 osh-native mut+alloc+free+gc
23 10 13 9.0 osh-native mut+alloc+free+gc+exit
25 23 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc