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 17.8 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 150 24 63 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 27 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 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 23 0 3.0 bash -
104 64 46 3.4 zsh -
16 10 7 27.9 bumpleak/osh mut
20 19 0 28.5 _bin/cxx-opt+bumproot/osh mut
24 16 8 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.2 osh-native mut+alloc
31 12 19 25.6 osh-native mut+alloc+free
36 28 8 17.8 osh-native mut+alloc+free+gc
37 37 0 18.1 osh-native mut+alloc+free+gc+exit
43 27 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
47 39 8 22.1 _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
21 21 0 1.6 dash -
78 70 8 3.0 bash -
378 203 197 3.5 zsh -
50 33 16 84.0 bumpleak/osh mut
60 51 8 85.6 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 63 32 73.5 osh-native mut+alloc
105 82 23 75.3 osh-native mut+alloc+free
150 110 39 51.4 osh-native mut+alloc+free+gc
154 130 24 52.1 osh-native mut+alloc+free+gc+exit
139 87 51 98.5 _bin/cxx-opt+nopool/osh mut+alloc
208 172 36 73.3 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 4 4 3.1 zsh -
6 0 6 10.5 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
8 3 5 9.8 osh-native mut+alloc+free
9 9 0 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
11 7 4 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 25 4 2.9 bash -
24 8 16 3.3 zsh -
19 15 4 32.1 bumpleak/osh mut
25 21 4 31.4 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.3 osh-native mut+alloc
37 15 22 26.5 osh-native mut+alloc+free
27 23 4 7.9 osh-native mut+alloc+free+gc
27 27 0 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
36 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
73 73 0 2.9 bash -
168 120 48 55.1 bumpleak/osh mut
179 114 65 55.5 _bin/cxx-opt+bumproot/osh mut
194 117 77 56.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 116 92 47.1 osh-native mut+alloc
218 139 79 48.8 osh-native mut+alloc+free
179 126 53 8.7 osh-native mut+alloc+free+gc
178 117 61 8.7 osh-native mut+alloc+free+gc+exit
231 155 76 62.5 _bin/cxx-opt+nopool/osh mut+alloc
207 143 64 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 4 3.5 dash -
20 11 9 4.5 bash -
17 11 7 3.4 zsh -
19 13 7 12.1 bumpleak/osh mut
21 13 8 12.5 _bin/cxx-opt+bumproot/osh mut
22 13 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.7 osh-native mut+alloc
23 12 11 11.0 osh-native mut+alloc+free
22 16 7 8.9 osh-native mut+alloc+free+gc
23 22 2 8.8 osh-native mut+alloc+free+gc+exit
25 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc