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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 146 23 60 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 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 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 23 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 1.4 dash -
23 23 0 2.9 bash -
104 69 41 3.3 zsh -
16 12 4 28.6 bumpleak/osh mut
19 15 4 29.9 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 24 4 25.0 osh-native mut+alloc
31 19 11 25.4 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
37 24 12 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 48 0 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
22 21 0 1.6 dash -
78 78 0 3.3 bash -
376 211 187 3.5 zsh -
48 44 4 84.7 bumpleak/osh mut
60 47 12 84.3 _bin/cxx-opt+bumproot/osh mut
70 54 16 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.4 osh-native mut+alloc
106 66 39 75.3 osh-native mut+alloc+free
146 129 16 51.7 osh-native mut+alloc+free+gc
152 132 20 52.2 osh-native mut+alloc+free+gc+exit
136 92 44 99.1 _bin/cxx-opt+nopool/osh mut+alloc
208 184 24 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 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.4 zsh -
6 0 6 12.1 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _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 -
24 12 12 3.4 zsh -
19 11 8 31.8 bumpleak/osh mut
25 25 0 32.5 _bin/cxx-opt+bumproot/osh mut
29 24 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
37 25 12 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
54 46 8 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 29 8 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 72 0 3.3 bash -
168 104 64 54.6 bumpleak/osh mut
177 137 39 55.1 _bin/cxx-opt+bumproot/osh mut
194 117 76 56.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 135 75 47.2 osh-native mut+alloc
217 141 76 48.9 osh-native mut+alloc+free
180 139 40 8.8 osh-native mut+alloc+free+gc
181 121 60 8.5 osh-native mut+alloc+free+gc+exit
231 150 81 63.6 _bin/cxx-opt+nopool/osh mut+alloc
209 160 48 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 8 1 3.5 dash -
19 13 7 4.5 bash -
18 16 3 3.4 zsh -
19 7 13 11.5 bumpleak/osh mut
21 15 7 12.0 _bin/cxx-opt+bumproot/osh mut
23 21 3 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 10 14 10.9 osh-native mut+alloc
23 18 6 10.9 osh-native mut+alloc+free
23 18 6 8.9 osh-native mut+alloc+free+gc
24 16 8 8.8 osh-native mut+alloc+free+gc+exit
26 17 10 12.3 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc