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 9 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 160 25 71 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.7 101,880 180 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 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 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 1.4 dash -
23 23 0 3.1 bash -
104 62 48 3.3 zsh -
16 16 0 29.3 bumpleak/osh mut
20 16 4 28.5 _bin/cxx-opt+bumproot/osh mut
23 18 5 30.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 24.9 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
35 31 4 18.0 osh-native mut+alloc+free+gc+exit
43 28 16 31.9 _bin/cxx-opt+nopool/osh mut+alloc
46 46 0 22.4 _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 1.4 dash -
77 77 0 3.3 bash -
376 248 149 3.5 zsh -
49 37 11 85.1 bumpleak/osh mut
60 48 12 84.6 _bin/cxx-opt+bumproot/osh mut
70 61 8 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.3 osh-native mut+alloc
106 77 28 75.3 osh-native mut+alloc+free
160 151 8 51.6 osh-native mut+alloc+free+gc
165 149 16 52.1 osh-native mut+alloc+free+gc+exit
140 80 60 98.5 _bin/cxx-opt+nopool/osh mut+alloc
213 172 40 73.1 _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 6 0 3.0 bash -
8 4 4 3.1 zsh -
6 0 6 10.4 bumpleak/osh mut
7 4 4 11.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 4 4 8.7 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 28 0 2.9 bash -
23 19 5 3.1 zsh -
19 14 5 32.4 bumpleak/osh mut
25 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 25 12 26.7 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 41 12 36.4 _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
72 64 8 3.3 bash -
169 124 44 54.6 bumpleak/osh mut
179 142 37 55.1 _bin/cxx-opt+bumproot/osh mut
193 129 64 55.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 121 89 47.1 osh-native mut+alloc
217 133 84 48.8 osh-native mut+alloc+free
181 144 36 8.5 osh-native mut+alloc+free+gc
181 120 60 8.7 osh-native mut+alloc+free+gc+exit
231 115 115 64.3 _bin/cxx-opt+nopool/osh mut+alloc
207 151 56 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 6 4 3.5 dash -
19 18 1 4.3 bash -
17 6 12 3.5 zsh -
18 15 4 11.4 bumpleak/osh mut
21 19 2 12.5 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 7 11.0 osh-native mut+alloc
22 16 7 10.9 osh-native mut+alloc+free
22 20 3 8.8 osh-native mut+alloc+free+gc
23 13 10 8.8 osh-native mut+alloc+free+gc+exit
24 11 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 21 4 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc