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 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,289 478 3 85,334 1 42,667 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 -
104 51 59 3.4 zsh -
16 12 4 28.7 bumpleak/osh mut
19 15 4 29.0 _bin/cxx-opt+bumproot/osh mut
22 13 9 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 25 4 25.2 osh-native mut+alloc
31 19 12 25.4 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 24 12 17.8 osh-native mut+alloc+free+gc+exit
42 34 8 31.9 _bin/cxx-opt+nopool/osh mut+alloc
47 35 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 -
77 70 8 3.3 bash -
376 207 191 3.5 zsh -
49 36 12 84.4 bumpleak/osh mut
61 49 11 86.2 _bin/cxx-opt+bumproot/osh mut
71 57 11 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
105 68 36 75.4 osh-native mut+alloc+free
148 123 25 51.4 osh-native mut+alloc+free+gc
152 104 48 52.1 osh-native mut+alloc+free+gc+exit
136 104 32 99.3 _bin/cxx-opt+nopool/osh mut+alloc
203 174 28 73.9 _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 3 3 3.0 bash -
8 7 0 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
11 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 4 7 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
11 7 3 1.6 dash -
28 25 4 2.9 bash -
24 16 8 3.4 zsh -
19 14 5 32.3 bumpleak/osh mut
25 21 4 33.4 _bin/cxx-opt+bumproot/osh mut
29 28 0 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.5 osh-native mut+alloc
38 30 8 26.6 osh-native mut+alloc+free
29 24 4 8.0 osh-native mut+alloc+free+gc
28 20 8 7.7 osh-native mut+alloc+free+gc+exit
53 38 15 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 69 4 3.1 bash -
167 95 71 54.6 bumpleak/osh mut
178 115 63 55.4 _bin/cxx-opt+bumproot/osh mut
195 143 52 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 123 88 47.1 osh-native mut+alloc
215 155 60 48.9 osh-native mut+alloc+free
180 120 60 8.8 osh-native mut+alloc+free+gc
181 132 48 8.8 osh-native mut+alloc+free+gc+exit
227 146 81 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 7 3 3.4 dash -
19 11 9 4.3 bash -
18 18 1 3.5 zsh -
20 16 4 12.7 bumpleak/osh mut
21 12 10 13.2 _bin/cxx-opt+bumproot/osh mut
21 7 14 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
24 23 1 10.7 osh-native mut+alloc
23 15 9 10.9 osh-native mut+alloc+free
22 22 0 8.9 osh-native mut+alloc+free+gc
23 15 9 8.8 osh-native mut+alloc+free+gc+exit
24 18 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc