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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 158 25 71 46.1 51.3 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 10 1 1 2.6 8.4 101,875 180 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 180 0 3 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,284 478 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 -
24 23 0 3.0 bash -
104 61 50 3.4 zsh -
17 8 8 28.2 bumpleak/osh mut
20 19 0 29.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 15 15 24.9 osh-native mut+alloc
32 12 20 25.6 osh-native mut+alloc+free
35 26 9 17.8 osh-native mut+alloc+free+gc
37 32 4 17.8 osh-native mut+alloc+free+gc+exit
44 28 16 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 21.9 _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 1.6 dash -
77 73 4 3.3 bash -
376 222 176 3.5 zsh -
49 37 12 84.1 bumpleak/osh mut
61 45 15 85.8 _bin/cxx-opt+bumproot/osh mut
69 49 20 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 62 35 73.4 osh-native mut+alloc
105 86 19 75.4 osh-native mut+alloc+free
158 138 20 51.3 osh-native mut+alloc+free+gc
163 123 40 52.2 osh-native mut+alloc+free+gc+exit
140 108 32 98.8 _bin/cxx-opt+nopool/osh mut+alloc
226 194 32 73.5 _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 4 4 3.4 zsh -
6 6 0 12.0 bumpleak/osh mut
7 4 4 12.0 _bin/cxx-opt+bumproot/osh mut
7 4 4 10.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 5 5 10.1 osh-native mut+alloc+free
10 10 0 8.4 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.2 _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 2.8 bash -
24 19 5 3.4 zsh -
19 19 0 31.0 bumpleak/osh mut
26 17 9 32.7 _bin/cxx-opt+bumproot/osh mut
29 20 8 31.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
39 23 16 26.7 osh-native mut+alloc+free
28 20 8 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 39 16 36.3 _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
73 69 4 3.1 bash -
169 108 60 54.7 bumpleak/osh mut
181 144 36 55.5 _bin/cxx-opt+bumproot/osh mut
194 122 71 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 124 88 47.1 osh-native mut+alloc
219 143 76 49.1 osh-native mut+alloc+free
180 108 72 8.5 osh-native mut+alloc+free+gc
182 93 89 8.7 osh-native mut+alloc+free+gc+exit
233 150 83 62.8 _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 9 1 3.5 dash -
20 17 3 4.5 bash -
18 12 7 3.5 zsh -
20 12 9 12.8 bumpleak/osh mut
21 20 2 12.7 _bin/cxx-opt+bumproot/osh mut
21 13 8 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.9 osh-native mut+alloc
23 16 7 10.6 osh-native mut+alloc+free
23 14 10 8.9 osh-native mut+alloc+free+gc
23 15 9 8.9 osh-native mut+alloc+free+gc+exit
25 11 15 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 21 5 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc