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 160 27 72 46.1 51.4 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 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 182 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 1.6 dash -
23 20 4 3.0 bash -
105 55 56 3.3 zsh -
16 12 4 28.0 bumpleak/osh mut
20 20 0 29.8 _bin/cxx-opt+bumproot/osh mut
23 19 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
32 28 4 25.4 osh-native mut+alloc+free
35 23 12 18.0 osh-native mut+alloc+free+gc
37 25 11 18.0 osh-native mut+alloc+free+gc+exit
43 23 19 32.0 _bin/cxx-opt+nopool/osh mut+alloc
51 39 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 21 0 1.6 dash -
78 69 8 3.3 bash -
383 237 167 3.7 zsh -
51 39 12 84.1 bumpleak/osh mut
61 57 4 85.3 _bin/cxx-opt+bumproot/osh mut
72 63 8 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 73 24 73.4 osh-native mut+alloc
107 71 35 75.4 osh-native mut+alloc+free
160 140 20 51.4 osh-native mut+alloc+free+gc
160 128 32 52.2 osh-native mut+alloc+free+gc+exit
137 90 47 99.5 _bin/cxx-opt+nopool/osh mut+alloc
239 219 20 72.7 _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 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
7 7 0 11.2 bumpleak/osh mut
7 0 7 11.3 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 6 3 9.8 osh-native mut+alloc+free
9 4 4 8.4 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
12 8 4 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
10 10 0 1.4 dash -
29 29 0 3.0 bash -
24 20 4 3.3 zsh -
19 11 7 30.9 bumpleak/osh mut
27 22 4 33.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 26 11 26.3 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 22 7 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 36.5 _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
75 70 4 3.1 bash -
168 104 64 54.6 bumpleak/osh mut
181 112 68 54.3 _bin/cxx-opt+bumproot/osh mut
193 120 72 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 132 80 46.9 osh-native mut+alloc
220 156 64 48.9 osh-native mut+alloc+free
182 110 71 8.8 osh-native mut+alloc+free+gc
182 115 67 8.7 osh-native mut+alloc+free+gc+exit
232 148 84 62.9 _bin/cxx-opt+nopool/osh mut+alloc
212 148 64 10.3 _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 4 6 3.4 dash -
20 17 4 4.2 bash -
18 10 9 3.5 zsh -
20 19 2 12.9 bumpleak/osh mut
20 19 1 12.0 _bin/cxx-opt+bumproot/osh mut
22 11 11 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
23 14 9 11.0 osh-native mut+alloc
23 21 2 11.1 osh-native mut+alloc+free
23 11 12 8.9 osh-native mut+alloc+free+gc
23 22 1 8.9 osh-native mut+alloc+free+gc+exit
25 12 13 12.4 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc