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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 152 26 64 46.1 51.4 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 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,284 478 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 1.4 dash -
23 19 4 2.9 bash -
104 62 49 3.4 zsh -
16 16 0 28.1 bumpleak/osh mut
20 13 7 28.9 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.2 osh-native mut+alloc
31 19 12 25.7 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 35 9 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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
22 22 0 1.6 dash -
80 80 0 3.3 bash -
378 226 171 3.5 zsh -
50 49 0 84.7 bumpleak/osh mut
61 52 8 84.4 _bin/cxx-opt+bumproot/osh mut
70 62 8 85.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.4 osh-native mut+alloc
105 58 47 75.0 osh-native mut+alloc+free
152 124 28 51.4 osh-native mut+alloc+free+gc
153 133 20 52.0 osh-native mut+alloc+free+gc+exit
139 90 49 98.0 _bin/cxx-opt+nopool/osh mut+alloc
215 199 16 72.8 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 10.5 bumpleak/osh mut
6 6 0 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _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 0 9 8.4 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 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 1.4 dash -
29 29 0 3.0 bash -
24 8 16 3.1 zsh -
19 14 5 32.0 bumpleak/osh mut
25 18 7 32.0 _bin/cxx-opt+bumproot/osh mut
28 23 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.5 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 27 0 7.9 osh-native mut+alloc+free+gc
28 27 0 7.9 osh-native mut+alloc+free+gc+exit
54 33 21 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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 68 4 3.1 bash -
174 121 53 55.8 bumpleak/osh mut
183 119 64 56.2 _bin/cxx-opt+bumproot/osh mut
194 146 47 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 61 46.9 osh-native mut+alloc
218 129 89 48.8 osh-native mut+alloc+free
181 137 44 8.8 osh-native mut+alloc+free+gc
181 136 44 8.7 osh-native mut+alloc+free+gc+exit
230 141 89 64.1 _bin/cxx-opt+nopool/osh mut+alloc
205 173 32 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 3 3.4 dash -
19 15 5 4.3 bash -
18 14 4 3.4 zsh -
20 6 14 12.7 bumpleak/osh mut
20 11 10 12.5 _bin/cxx-opt+bumproot/osh mut
20 6 14 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.9 osh-native mut+alloc
23 22 1 10.9 osh-native mut+alloc+free
22 18 5 8.7 osh-native mut+alloc+free+gc
23 12 12 8.8 osh-native mut+alloc+free+gc+exit
24 11 14 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc