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 3 9 12.0 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 157 27 69 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 8.7 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.5 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,240 478 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 3.0 bash -
104 74 37 3.4 zsh -
17 16 0 29.6 bumpleak/osh mut
20 20 0 28.8 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
36 32 4 17.7 osh-native mut+alloc+free+gc
36 24 12 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.3 _bin/cxx-opt+nopool/osh mut+alloc
50 46 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
24 24 0 1.6 dash -
81 81 0 3.1 bash -
376 217 181 3.7 zsh -
49 37 12 83.7 bumpleak/osh mut
59 47 12 85.7 _bin/cxx-opt+bumproot/osh mut
71 43 27 86.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 63 35 73.4 osh-native mut+alloc
106 63 43 75.3 osh-native mut+alloc+free
157 125 32 51.4 osh-native mut+alloc+free+gc
161 141 20 52.3 osh-native mut+alloc+free+gc+exit
139 99 40 99.1 _bin/cxx-opt+nopool/osh mut+alloc
220 188 32 71.4 _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 2.9 bash -
8 4 4 3.1 zsh -
6 6 0 11.5 bumpleak/osh mut
7 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 9 0 8.7 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
20 20 0 32.6 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
29 20 8 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
54 42 12 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 70 4 3.1 bash -
169 90 79 54.4 bumpleak/osh mut
180 140 40 55.0 _bin/cxx-opt+bumproot/osh mut
193 125 68 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 150 61 46.3 osh-native mut+alloc
216 152 64 48.1 osh-native mut+alloc+free
182 129 52 8.5 osh-native mut+alloc+free+gc
184 128 56 8.4 osh-native mut+alloc+free+gc+exit
230 143 87 62.3 _bin/cxx-opt+nopool/osh mut+alloc
210 146 63 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 9 1 3.4 dash -
20 12 8 4.3 bash -
18 14 5 3.4 zsh -
20 12 9 12.7 bumpleak/osh mut
20 15 5 13.8 _bin/cxx-opt+bumproot/osh mut
22 16 7 13.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 18 4 10.6 osh-native mut+alloc
23 9 15 11.1 osh-native mut+alloc+free
22 15 8 8.9 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 23 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 24 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc