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 9 12.0 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 168 27 79 46.1 51.4 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 29 0 1 2.6 7.9 584,128 31,810 12 50,000 0 2,818 osh-native
ex.bashcomp-parse-help 183 0 4 12.3 8.7 1,002,882 27,376 21 50,000 0 3,802 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,069 478 3 85,320 1 42,660 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
24 20 4 3.1 bash -
105 58 53 3.5 zsh -
17 16 0 29.7 bumpleak/osh mut
20 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
23 18 5 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 31 0 24.9 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
44 20 24 32.0 _bin/cxx-opt+nopool/osh mut+alloc
53 44 8 21.9 _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 -
77 74 4 3.3 bash -
378 254 147 3.5 zsh -
49 45 4 84.9 bumpleak/osh mut
62 45 16 85.5 _bin/cxx-opt+bumproot/osh mut
71 43 28 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 59 39 73.3 osh-native mut+alloc
108 80 28 75.3 osh-native mut+alloc+free
168 140 28 51.4 osh-native mut+alloc+free+gc
169 148 20 52.1 osh-native mut+alloc+free+gc+exit
139 102 37 98.4 _bin/cxx-opt+nopool/osh mut+alloc
248 196 52 71.7 _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 3 3 2.9 bash -
8 0 7 3.3 zsh -
6 6 0 10.4 bumpleak/osh mut
7 3 3 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 0 9 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.3 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.4 _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 7 3 1.4 dash -
29 29 0 2.9 bash -
24 8 16 3.3 zsh -
19 11 8 31.8 bumpleak/osh mut
26 22 4 31.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 35 4 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
55 35 20 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 3.0 bash -
169 102 67 56.4 bumpleak/osh mut
180 136 44 56.9 _bin/cxx-opt+bumproot/osh mut
197 129 67 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 146 69 48.9 osh-native mut+alloc
221 161 60 50.7 osh-native mut+alloc+free
183 131 51 8.7 osh-native mut+alloc+free+gc
182 129 53 8.8 osh-native mut+alloc+free+gc+exit
234 133 101 65.4 _bin/cxx-opt+nopool/osh mut+alloc
215 159 56 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 9 1 3.5 dash -
20 13 7 4.5 bash -
18 6 12 3.4 zsh -
18 18 0 11.2 bumpleak/osh mut
20 13 7 13.7 _bin/cxx-opt+bumproot/osh mut
22 12 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 16 6 10.7 osh-native mut+alloc
24 12 12 11.0 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
24 19 6 8.8 osh-native mut+alloc+free+gc+exit
25 17 9 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc