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 18.0 476,685 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 24 61 46.1 51.6 1,653,273 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.3 101,876 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,141 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.5 995,218 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,285 478 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 3 3 1.6 dash -
23 19 4 3.0 bash -
103 67 42 3.4 zsh -
16 16 0 28.8 bumpleak/osh mut
19 11 8 29.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
30 15 15 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
35 27 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.4 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.3 _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
22 21 0 1.6 dash -
77 77 0 3.3 bash -
375 207 189 3.7 zsh -
49 32 16 85.3 bumpleak/osh mut
60 44 16 85.3 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.4 osh-native mut+alloc
106 63 43 75.3 osh-native mut+alloc+free
147 119 28 51.6 osh-native mut+alloc+free+gc
151 131 20 52.2 osh-native mut+alloc+free+gc+exit
141 76 64 98.5 _bin/cxx-opt+nopool/osh mut+alloc
207 175 32 72.4 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 10.5 bumpleak/osh mut
7 0 7 12.0 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 0 8 9.8 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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
10 10 0 1.6 dash -
29 28 0 2.9 bash -
23 16 8 3.3 zsh -
19 9 9 31.8 bumpleak/osh mut
25 25 0 32.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 31 4 26.5 osh-native mut+alloc
38 25 12 26.6 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 36.0 _bin/cxx-opt+nopool/osh mut+alloc
36 36 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 68 4 3.1 bash -
165 98 67 54.6 bumpleak/osh mut
178 127 52 54.9 _bin/cxx-opt+bumproot/osh mut
194 137 56 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
221 129 92 47.1 osh-native mut+alloc
231 135 96 48.9 osh-native mut+alloc+free
180 120 60 8.5 osh-native mut+alloc+free+gc
179 114 65 8.7 osh-native mut+alloc+free+gc+exit
232 116 116 64.1 _bin/cxx-opt+nopool/osh mut+alloc
206 150 55 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 4 5 3.4 dash -
20 7 13 4.5 bash -
18 8 10 3.5 zsh -
20 6 15 12.7 bumpleak/osh mut
21 14 7 12.6 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 7 15 10.9 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
22 13 10 8.9 osh-native mut+alloc+free+gc+exit
25 22 3 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 12 13 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc