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 37 4 10 12.0 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 155 24 67 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 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.7 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,284 478 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 6 0 1.6 dash -
23 19 4 3.1 bash -
104 56 54 3.4 zsh -
17 12 4 27.8 bumpleak/osh mut
20 20 0 28.4 _bin/cxx-opt+bumproot/osh mut
23 18 4 28.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
31 20 12 25.4 osh-native mut+alloc+free
37 26 11 17.8 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 22.4 _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 21 0 1.4 dash -
78 78 0 3.1 bash -
379 194 207 3.5 zsh -
49 36 12 85.5 bumpleak/osh mut
61 53 8 85.0 _bin/cxx-opt+bumproot/osh mut
70 66 4 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.4 osh-native mut+alloc
106 63 43 75.3 osh-native mut+alloc+free
155 131 24 51.4 osh-native mut+alloc+free+gc
159 139 20 52.1 osh-native mut+alloc+free+gc+exit
140 92 48 98.9 _bin/cxx-opt+nopool/osh mut+alloc
213 189 24 72.1 _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 11.2 bumpleak/osh mut
6 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 3 3 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.6 _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 -
28 28 0 2.8 bash -
24 24 0 3.3 zsh -
19 4 15 31.4 bumpleak/osh mut
26 22 4 32.8 _bin/cxx-opt+bumproot/osh mut
27 27 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
39 19 19 26.5 osh-native mut+alloc
40 35 4 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 35 19 36.2 _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 67 4 3.0 bash -
168 112 56 55.8 bumpleak/osh mut
179 131 48 56.2 _bin/cxx-opt+bumproot/osh mut
192 120 72 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 155 56 47.1 osh-native mut+alloc
218 142 75 48.9 osh-native mut+alloc+free
182 134 47 8.7 osh-native mut+alloc+free+gc
179 130 49 8.8 osh-native mut+alloc+free+gc+exit
232 163 69 63.5 _bin/cxx-opt+nopool/osh mut+alloc
205 173 32 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 8 2 3.5 dash -
19 15 4 4.3 bash -
17 10 8 3.5 zsh -
19 14 5 13.1 bumpleak/osh mut
20 15 5 12.1 _bin/cxx-opt+bumproot/osh mut
21 15 7 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 9 10.9 osh-native mut+alloc
22 20 3 11.0 osh-native mut+alloc+free
23 18 5 8.8 osh-native mut+alloc+free+gc
23 20 4 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc