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 10 12.0 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 161 26 72 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 28 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 4 10.3 8.7 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,240 478 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 23 0 3.1 bash -
104 61 50 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
20 20 0 28.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 17 12 25.0 osh-native mut+alloc
31 23 8 25.4 osh-native mut+alloc+free
35 35 0 17.7 osh-native mut+alloc+free+gc
36 32 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 39 9 21.8 _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 -
78 78 0 3.3 bash -
374 222 176 3.5 zsh -
47 31 16 85.6 bumpleak/osh mut
62 54 8 85.0 _bin/cxx-opt+bumproot/osh mut
71 55 16 84.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 80 16 73.4 osh-native mut+alloc
104 68 36 75.3 osh-native mut+alloc+free
161 132 28 51.4 osh-native mut+alloc+free+gc
161 149 12 52.1 osh-native mut+alloc+free+gc+exit
139 107 32 99.3 _bin/cxx-opt+nopool/osh mut+alloc
220 168 52 74.0 _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 6 0 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 11.6 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 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 4 4 8.4 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 6 6 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 29 0 2.9 bash -
25 20 4 3.3 zsh -
18 15 4 32.9 bumpleak/osh mut
25 25 0 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 23 15 26.6 osh-native mut+alloc+free
28 27 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 38 15 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 4 9.5 _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 3.3 bash -
165 104 60 54.0 bumpleak/osh mut
179 111 68 53.8 _bin/cxx-opt+bumproot/osh mut
193 128 64 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 149 60 46.5 osh-native mut+alloc
219 111 107 48.0 osh-native mut+alloc+free
180 112 68 8.7 osh-native mut+alloc+free+gc
182 126 55 8.5 osh-native mut+alloc+free+gc+exit
231 175 56 62.1 _bin/cxx-opt+nopool/osh mut+alloc
207 154 53 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 5 5 3.4 dash -
31 16 7 4.5 bash -
18 14 5 3.4 zsh -
20 18 2 12.1 bumpleak/osh mut
22 19 3 13.0 _bin/cxx-opt+bumproot/osh mut
21 18 3 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.7 osh-native mut+alloc
23 15 9 11.0 osh-native mut+alloc+free
23 16 8 8.8 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
25 25 0 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 23 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc