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 4 9 12.0 17.8 476,680 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 146 23 60 46.1 51.5 1,653,268 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,871 180 2 75,086 1 37,543 osh-native
ex.compute-fib 30 0 2 2.6 7.7 584,136 31,810 12 50,000 0 2,820 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.5 1,002,893 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,244 478 3 85,322 1 42,661 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 19 4 3.0 bash -
104 57 53 3.4 zsh -
16 16 0 29.1 bumpleak/osh mut
20 20 0 28.7 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
31 15 15 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
37 18 18 18.0 osh-native mut+alloc+free+gc+exit
43 23 20 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 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 18 4 1.4 dash -
77 77 0 3.1 bash -
376 215 182 3.5 zsh -
49 41 8 84.5 bumpleak/osh mut
59 51 8 84.5 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.3 osh-native mut+alloc
104 79 24 75.3 osh-native mut+alloc+free
146 109 36 51.5 osh-native mut+alloc+free+gc
148 112 36 52.0 osh-native mut+alloc+free+gc+exit
138 97 40 99.4 _bin/cxx-opt+nopool/osh mut+alloc
208 180 28 72.9 _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 -
6 6 0 11.5 bumpleak/osh mut
7 0 7 11.7 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.1 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 0 11 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
10 7 3 1.3 dash -
29 28 0 2.9 bash -
24 12 12 3.4 zsh -
20 15 4 32.5 bumpleak/osh mut
26 25 0 32.1 _bin/cxx-opt+bumproot/osh mut
28 23 4 33.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 35 0 26.3 osh-native mut+alloc
38 25 13 26.5 osh-native mut+alloc+free
30 26 4 7.7 osh-native mut+alloc+free+gc
28 28 0 7.6 osh-native mut+alloc+free+gc+exit
53 49 4 36.0 _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
74 66 8 3.0 bash -
168 120 48 56.6 bumpleak/osh mut
178 130 49 57.4 _bin/cxx-opt+bumproot/osh mut
196 128 68 57.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 147 63 48.8 osh-native mut+alloc
219 155 64 50.7 osh-native mut+alloc+free
182 121 61 8.5 osh-native mut+alloc+free+gc
182 129 52 8.5 osh-native mut+alloc+free+gc+exit
233 126 106 65.5 _bin/cxx-opt+nopool/osh mut+alloc
209 150 59 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 10 0 3.4 dash -
19 18 2 4.5 bash -
18 12 6 3.5 zsh -
18 12 7 11.4 bumpleak/osh mut
21 17 4 12.8 _bin/cxx-opt+bumproot/osh mut
20 15 5 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 8 10.7 osh-native mut+alloc
22 21 2 10.9 osh-native mut+alloc+free
22 21 2 8.8 osh-native mut+alloc+free+gc
23 11 12 8.9 osh-native mut+alloc+free+gc+exit
25 22 3 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 19 6 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc