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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 150 26 62 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.3 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,284 478 3 85,332 1 42,666 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
6 3 3 1.6 dash -
23 19 4 2.9 bash -
104 51 60 3.4 zsh -
17 8 8 28.4 bumpleak/osh mut
20 16 4 30.4 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 8 21 25.2 osh-native mut+alloc
31 22 9 25.4 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 16 20 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.0 _bin/cxx-opt+nopool/osh mut+alloc
50 29 21 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
22 18 4 1.4 dash -
77 77 0 3.3 bash -
371 220 172 3.5 zsh -
49 37 11 85.4 bumpleak/osh mut
60 44 16 85.5 _bin/cxx-opt+bumproot/osh mut
70 61 8 86.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 69 28 73.2 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
150 133 16 51.4 osh-native mut+alloc+free+gc
158 126 31 52.2 osh-native mut+alloc+free+gc+exit
142 110 31 97.7 _bin/cxx-opt+nopool/osh mut+alloc
207 175 32 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 4 4 3.3 zsh -
5 5 0 11.9 bumpleak/osh mut
7 4 4 11.9 _bin/cxx-opt+bumproot/osh mut
7 4 4 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 6 3 8.3 osh-native mut+alloc+free+gc+exit
12 12 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _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 12 12 3.3 zsh -
19 14 5 31.9 bumpleak/osh mut
26 18 7 31.9 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.5 osh-native mut+alloc
38 37 0 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.3 _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
72 68 4 3.3 bash -
165 94 71 54.4 bumpleak/osh mut
180 132 48 56.1 _bin/cxx-opt+bumproot/osh mut
192 136 56 55.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 148 60 47.0 osh-native mut+alloc
214 127 87 48.7 osh-native mut+alloc+free
180 112 68 8.7 osh-native mut+alloc+free+gc
180 125 55 8.8 osh-native mut+alloc+free+gc+exit
228 140 88 62.8 _bin/cxx-opt+nopool/osh mut+alloc
207 154 53 10.2 _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 8 1 3.4 dash -
19 18 1 4.5 bash -
18 13 5 3.4 zsh -
18 14 5 11.7 bumpleak/osh mut
20 17 3 12.4 _bin/cxx-opt+bumproot/osh mut
20 10 10 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 11.0 osh-native mut+alloc
22 17 5 11.0 osh-native mut+alloc+free
22 22 0 8.7 osh-native mut+alloc+free+gc
23 17 6 8.8 osh-native mut+alloc+free+gc+exit
25 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc