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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 147 23 60 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,284 478 3 85,332 1 42,666 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 3.0 bash -
105 55 56 3.4 zsh -
16 12 4 29.4 bumpleak/osh mut
20 16 4 30.2 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
38 25 12 17.8 osh-native mut+alloc+free+gc+exit
43 31 12 32.2 _bin/cxx-opt+nopool/osh mut+alloc
47 43 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
22 22 0 1.6 dash -
78 78 0 3.3 bash -
376 202 195 3.5 zsh -
48 39 8 85.6 bumpleak/osh mut
61 53 8 84.9 _bin/cxx-opt+bumproot/osh mut
70 58 12 85.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 74 23 73.4 osh-native mut+alloc
106 74 31 75.2 osh-native mut+alloc+free
147 134 12 51.6 osh-native mut+alloc+free+gc
155 127 28 52.1 osh-native mut+alloc+free+gc+exit
139 90 49 97.6 _bin/cxx-opt+nopool/osh mut+alloc
223 191 32 72.0 _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 3.1 zsh -
6 0 6 12.1 bumpleak/osh mut
6 0 6 10.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 0 9 8.8 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
10 10 0 1.6 dash -
28 28 0 3.0 bash -
23 20 4 3.4 zsh -
19 18 0 31.4 bumpleak/osh mut
25 21 4 33.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
53 41 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 37 0 9.5 _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 73 0 3.0 bash -
167 84 84 55.4 bumpleak/osh mut
179 103 76 55.8 _bin/cxx-opt+bumproot/osh mut
191 116 76 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 136 72 47.1 osh-native mut+alloc
227 144 84 48.9 osh-native mut+alloc+free
180 124 56 8.5 osh-native mut+alloc+free+gc
180 104 76 8.7 osh-native mut+alloc+free+gc+exit
231 159 72 64.2 _bin/cxx-opt+nopool/osh mut+alloc
206 154 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 3.5 dash -
20 15 5 4.5 bash -
17 7 12 3.5 zsh -
19 19 0 12.0 bumpleak/osh mut
21 13 8 12.4 _bin/cxx-opt+bumproot/osh mut
22 17 5 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.9 osh-native mut+alloc
23 12 12 11.1 osh-native mut+alloc+free
23 22 1 8.8 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 22 3 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 24 1 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc