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 148 25 61 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 2 2.4 7.7 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.8 995,244 12,911 21 50,000 0 3,834 osh-native
ex.abuild-print-help 23 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 19 4 3.0 bash -
104 56 55 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
20 12 8 28.7 _bin/cxx-opt+bumproot/osh mut
22 11 11 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 23 8 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 39 4 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 43 4 22.0 _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 1.6 dash -
78 74 4 3.1 bash -
377 180 217 3.7 zsh -
51 38 13 85.5 bumpleak/osh mut
61 56 4 84.5 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.4 osh-native mut+alloc
107 67 39 75.3 osh-native mut+alloc+free
148 128 20 49.9 osh-native mut+alloc+free+gc
161 145 16 50.6 osh-native mut+alloc+free+gc+exit
141 90 51 98.8 _bin/cxx-opt+nopool/osh mut+alloc
223 203 20 66.6 _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 2.9 bash -
8 0 8 3.1 zsh -
6 6 0 10.7 bumpleak/osh mut
7 0 7 11.2 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 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
11 7 3 1.4 dash -
28 28 0 2.9 bash -
24 16 8 3.1 zsh -
19 16 4 32.6 bumpleak/osh mut
26 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
29 21 8 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.2 osh-native mut+alloc
43 27 16 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
29 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 43 12 36.3 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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 -
168 128 40 53.7 bumpleak/osh mut
179 98 81 56.3 _bin/cxx-opt+bumproot/osh mut
194 134 59 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 102 106 47.0 osh-native mut+alloc
218 134 83 48.7 osh-native mut+alloc+free
179 123 56 8.8 osh-native mut+alloc+free+gc
180 132 48 8.5 osh-native mut+alloc+free+gc+exit
234 169 64 63.8 _bin/cxx-opt+nopool/osh mut+alloc
221 160 60 10.0 _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 3.4 dash -
20 14 6 4.5 bash -
18 10 9 3.4 zsh -
18 6 12 11.3 bumpleak/osh mut
20 10 10 13.9 _bin/cxx-opt+bumproot/osh mut
21 14 7 13.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 19 3 11.0 osh-native mut+alloc
23 13 10 11.0 osh-native mut+alloc+free
23 13 10 9.0 osh-native mut+alloc+free+gc
23 20 4 9.0 osh-native mut+alloc+free+gc+exit
25 21 4 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc