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 17.6 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 149 23 61 46.1 51.6 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 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 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 9.0 116,289 478 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 1.4 dash -
23 23 0 3.1 bash -
104 67 43 3.4 zsh -
17 10 7 29.6 bumpleak/osh mut
19 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 19 25.3 osh-native mut+alloc
31 16 16 25.4 osh-native mut+alloc+free
35 26 9 17.6 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 30 13 32.8 _bin/cxx-opt+nopool/osh mut+alloc
48 48 0 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 78 0 3.1 bash -
378 240 161 3.5 zsh -
49 33 15 85.9 bumpleak/osh mut
61 46 15 84.6 _bin/cxx-opt+bumproot/osh mut
70 62 8 84.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 67 31 73.3 osh-native mut+alloc
107 63 44 75.3 osh-native mut+alloc+free
149 129 20 51.6 osh-native mut+alloc+free+gc
156 127 28 52.3 osh-native mut+alloc+free+gc+exit
137 80 56 98.1 _bin/cxx-opt+nopool/osh mut+alloc
211 183 28 71.6 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 10.6 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 4 8 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 1.6 dash -
28 24 4 3.0 bash -
24 4 20 3.3 zsh -
19 14 5 32.1 bumpleak/osh mut
26 21 4 32.3 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.5 osh-native mut+alloc
38 30 8 26.7 osh-native mut+alloc+free
28 24 4 7.7 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
53 37 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
36 36 0 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 68 4 3.1 bash -
169 104 64 54.7 bumpleak/osh mut
178 99 79 56.4 _bin/cxx-opt+bumproot/osh mut
192 112 80 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 135 75 47.1 osh-native mut+alloc
215 147 68 49.1 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
180 140 40 8.5 osh-native mut+alloc+free+gc+exit
231 147 84 63.9 _bin/cxx-opt+nopool/osh mut+alloc
206 150 57 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 18 2 4.3 bash -
18 6 13 3.4 zsh -
20 11 9 12.6 bumpleak/osh mut
21 15 7 12.6 _bin/cxx-opt+bumproot/osh mut
22 17 6 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
23 15 8 11.0 osh-native mut+alloc+free
22 16 7 9.0 osh-native mut+alloc+free+gc
23 20 4 9.0 osh-native mut+alloc+free+gc+exit
25 12 13 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc