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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 161 26 72 46.1 51.7 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 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
7 6 0 1.6 dash -
23 23 0 3.1 bash -
104 53 58 3.4 zsh -
16 12 4 29.3 bumpleak/osh mut
20 20 0 29.9 _bin/cxx-opt+bumproot/osh mut
23 9 13 29.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
37 37 0 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.2 _bin/cxx-opt+nopool/osh mut+alloc
50 46 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
26 25 0 1.6 dash -
77 77 0 3.1 bash -
380 250 151 3.5 zsh -
51 42 8 85.2 bumpleak/osh mut
60 44 16 84.5 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.5 osh-native mut+alloc
105 65 40 75.3 osh-native mut+alloc+free
161 128 32 51.7 osh-native mut+alloc+free+gc
165 145 20 51.9 osh-native mut+alloc+free+gc+exit
139 99 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
237 189 48 73.2 _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 3.3 zsh -
6 3 3 10.9 bumpleak/osh mut
7 4 4 11.4 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.1 osh-native mut+alloc
9 6 3 9.8 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 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
11 11 0 1.4 dash -
28 24 4 2.8 bash -
24 12 12 3.4 zsh -
19 19 0 32.2 bumpleak/osh mut
25 18 7 31.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.5 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.7 osh-native mut+alloc+free+gc+exit
53 49 4 35.7 _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 65 8 3.1 bash -
170 114 55 55.4 bumpleak/osh mut
180 143 37 55.1 _bin/cxx-opt+bumproot/osh mut
194 110 83 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 120 92 47.1 osh-native mut+alloc
218 141 77 48.9 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
180 144 36 8.5 osh-native mut+alloc+free+gc+exit
232 172 60 64.0 _bin/cxx-opt+nopool/osh mut+alloc
209 158 51 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 8 2 3.4 dash -
20 15 5 4.5 bash -
18 11 7 3.5 zsh -
18 13 5 11.6 bumpleak/osh mut
21 14 7 12.8 _bin/cxx-opt+bumproot/osh mut
20 19 2 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 21 1 10.9 osh-native mut+alloc
23 12 12 11.1 osh-native mut+alloc+free
22 21 2 9.0 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
24 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc