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 3 10 12.0 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 155 27 67 46.1 51.7 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 10 1 2 2.6 8.5 101,875 180 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 182 0 4 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 24 1 2 2.8 9.0 116,284 478 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 3 3 1.4 dash -
23 19 4 3.0 bash -
105 60 50 3.4 zsh -
16 8 8 29.1 bumpleak/osh mut
19 15 4 29.3 _bin/cxx-opt+bumproot/osh mut
22 13 9 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
31 27 4 25.6 osh-native mut+alloc+free
36 36 0 17.8 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
44 20 24 33.1 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 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 21 0 1.6 dash -
78 78 0 3.1 bash -
379 212 187 3.7 zsh -
49 42 8 83.9 bumpleak/osh mut
61 57 4 85.5 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 67 31 73.3 osh-native mut+alloc
107 86 20 75.1 osh-native mut+alloc+free
155 123 32 51.7 osh-native mut+alloc+free+gc
160 133 27 52.2 osh-native mut+alloc+free+gc+exit
139 111 28 97.9 _bin/cxx-opt+nopool/osh mut+alloc
214 198 16 72.6 _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 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 10.6 bumpleak/osh mut
7 7 0 10.6 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 5 5 10.0 osh-native mut+alloc+free
10 3 6 8.5 osh-native mut+alloc+free+gc
10 10 0 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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
11 11 0 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.4 zsh -
20 16 4 32.5 bumpleak/osh mut
26 18 7 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 29 8 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
29 21 7 7.9 osh-native mut+alloc+free+gc+exit
54 37 17 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 30 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
74 74 0 3.0 bash -
169 125 44 54.7 bumpleak/osh mut
179 106 73 55.7 _bin/cxx-opt+bumproot/osh mut
197 122 75 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 121 92 46.9 osh-native mut+alloc
222 165 56 48.8 osh-native mut+alloc+free
182 122 59 8.8 osh-native mut+alloc+free+gc
183 138 45 8.7 osh-native mut+alloc+free+gc+exit
233 142 91 63.2 _bin/cxx-opt+nopool/osh mut+alloc
212 168 44 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 7 3 3.5 dash -
20 12 9 4.3 bash -
18 6 14 3.5 zsh -
20 8 13 11.1 bumpleak/osh mut
23 14 9 12.8 _bin/cxx-opt+bumproot/osh mut
23 11 12 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 10 10.9 osh-native mut+alloc
23 14 10 10.9 osh-native mut+alloc+free
24 14 10 9.0 osh-native mut+alloc+free+gc
24 17 8 8.7 osh-native mut+alloc+free+gc+exit
26 18 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
27 16 12 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc