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 3 10 12.0 17.8 476,711 1,282 6 408,792 5 204,396 osh-native
parse.configure-coreutils 150 23 63 44.6 50.0 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 8.0 584,167 22,608 12 50,000 0 2,844 osh-native
ex.bashcomp-parse-help 180 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 8.8 116,311 270 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 1.6 dash -
24 20 4 3.0 bash -
104 60 51 3.4 zsh -
16 8 8 29.8 bumpleak/osh mut
20 15 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 21 0 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
31 16 16 25.7 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
37 29 7 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 38 8 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 3.0 bash -
374 231 163 3.5 zsh -
50 46 4 85.1 bumpleak/osh mut
59 59 0 85.9 _bin/cxx-opt+bumproot/osh mut
71 62 8 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.4 osh-native mut+alloc
106 86 20 75.3 osh-native mut+alloc+free
150 130 20 50.0 osh-native mut+alloc+free+gc
151 111 40 50.6 osh-native mut+alloc+free+gc+exit
141 93 47 97.8 _bin/cxx-opt+nopool/osh mut+alloc
205 169 36 68.4 _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 8 0 3.3 zsh -
6 6 0 11.9 bumpleak/osh mut
6 6 0 12.5 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 8 10.0 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 -
29 25 4 2.9 bash -
23 12 12 3.1 zsh -
19 15 4 31.4 bumpleak/osh mut
25 25 0 31.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 23 15 26.5 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 50 4 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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
73 65 8 3.1 bash -
168 96 72 53.8 bumpleak/osh mut
178 133 44 54.8 _bin/cxx-opt+bumproot/osh mut
193 120 72 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 134 75 47.0 osh-native mut+alloc
216 134 82 48.6 osh-native mut+alloc+free
180 120 60 8.7 osh-native mut+alloc+free+gc
180 104 76 8.7 osh-native mut+alloc+free+gc+exit
233 164 68 63.3 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 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 -
20 11 9 4.5 bash -
17 15 4 3.5 zsh -
17 16 2 12.9 bumpleak/osh mut
21 11 10 13.3 _bin/cxx-opt+bumproot/osh mut
21 19 2 13.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 10.9 osh-native mut+alloc
22 21 1 11.1 osh-native mut+alloc+free
22 14 8 8.8 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
24 18 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc