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 37 3 10 12.0 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 163 26 74 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 29 0 2 2.4 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 3 10.3 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 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
6 6 0 1.6 dash -
23 23 0 3.1 bash -
105 51 61 3.4 zsh -
17 13 4 29.9 bumpleak/osh mut
20 12 8 29.2 _bin/cxx-opt+bumproot/osh mut
23 11 11 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 23 8 25.2 osh-native mut+alloc
32 16 16 25.7 osh-native mut+alloc+free
37 33 4 17.8 osh-native mut+alloc+free+gc
42 34 7 17.8 osh-native mut+alloc+free+gc+exit
46 33 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
51 39 12 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 21 0 1.6 dash -
77 77 0 3.0 bash -
380 200 201 3.5 zsh -
50 41 8 84.4 bumpleak/osh mut
60 48 12 86.1 _bin/cxx-opt+bumproot/osh mut
71 66 4 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 59 40 73.4 osh-native mut+alloc
108 64 44 75.3 osh-native mut+alloc+free
163 130 33 51.7 osh-native mut+alloc+free+gc
180 156 24 52.2 osh-native mut+alloc+free+gc+exit
141 76 64 99.0 _bin/cxx-opt+nopool/osh mut+alloc
229 193 36 73.8 _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 3.0 bash -
8 0 8 3.4 zsh -
6 0 6 10.8 bumpleak/osh mut
7 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
14 5 9 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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 16 8 3.1 zsh -
20 4 16 32.1 bumpleak/osh mut
26 22 4 32.1 _bin/cxx-opt+bumproot/osh mut
28 16 12 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.2 osh-native mut+alloc
40 24 16 26.3 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
55 43 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 30 8 9.3 _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
74 66 8 3.1 bash -
169 104 64 54.0 bumpleak/osh mut
183 130 53 55.4 _bin/cxx-opt+bumproot/osh mut
194 150 44 55.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 156 56 47.1 osh-native mut+alloc
221 150 71 48.7 osh-native mut+alloc+free
183 103 79 8.7 osh-native mut+alloc+free+gc
184 128 56 8.8 osh-native mut+alloc+free+gc+exit
235 151 83 63.1 _bin/cxx-opt+nopool/osh mut+alloc
211 155 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 4 3.4 dash -
20 12 8 4.3 bash -
18 11 8 3.4 zsh -
20 11 10 12.0 bumpleak/osh mut
22 13 10 12.7 _bin/cxx-opt+bumproot/osh mut
22 20 2 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 9 11.0 osh-native mut+alloc
23 22 2 11.0 osh-native mut+alloc+free
23 18 5 9.0 osh-native mut+alloc+free+gc
24 12 12 9.0 osh-native mut+alloc+free+gc+exit
25 5 20 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 20 6 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc