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 4 9 12.0 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 162 25 73 46.1 51.6 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 29 0 2 2.6 8.0 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 182 0 4 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 8.9 116,284 478 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 1.4 dash -
23 19 4 3.0 bash -
104 63 48 3.4 zsh -
17 13 4 28.3 bumpleak/osh mut
20 16 4 30.0 _bin/cxx-opt+bumproot/osh mut
22 22 0 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 13 17 25.0 osh-native mut+alloc
32 24 8 25.7 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 16 27 32.1 _bin/cxx-opt+nopool/osh mut+alloc
50 37 12 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
21 21 0 1.6 dash -
79 74 4 3.3 bash -
374 198 200 3.5 zsh -
48 36 12 85.7 bumpleak/osh mut
62 46 15 84.4 _bin/cxx-opt+bumproot/osh mut
70 57 12 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 61 37 73.4 osh-native mut+alloc
106 51 55 75.2 osh-native mut+alloc+free
162 126 35 51.6 osh-native mut+alloc+free+gc
164 152 12 52.3 osh-native mut+alloc+free+gc+exit
139 111 28 99.5 _bin/cxx-opt+nopool/osh mut+alloc
226 190 36 72.4 _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 1.3 dash -
6 3 3 2.8 bash -
8 8 0 3.1 zsh -
6 3 3 11.2 bumpleak/osh mut
7 7 0 12.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 9.7 osh-native mut+alloc
9 0 9 9.8 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.8 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 1.6 dash -
29 29 0 2.8 bash -
24 16 8 3.3 zsh -
19 15 4 31.6 bumpleak/osh mut
26 21 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 33 4 26.2 osh-native mut+alloc
39 19 19 26.7 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.4 _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 65 8 3.1 bash -
168 108 60 55.6 bumpleak/osh mut
180 120 60 55.5 _bin/cxx-opt+bumproot/osh mut
193 141 52 56.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 125 89 47.1 osh-native mut+alloc
219 151 68 48.7 osh-native mut+alloc+free
182 133 48 8.7 osh-native mut+alloc+free+gc
182 125 57 8.7 osh-native mut+alloc+free+gc+exit
233 152 80 63.4 _bin/cxx-opt+nopool/osh mut+alloc
208 152 56 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 4 6 3.4 dash -
20 15 5 4.3 bash -
18 16 3 3.4 zsh -
20 13 7 12.2 bumpleak/osh mut
20 15 6 12.4 _bin/cxx-opt+bumproot/osh mut
22 17 6 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.7 osh-native mut+alloc
23 14 10 11.1 osh-native mut+alloc+free
23 15 8 8.9 osh-native mut+alloc+free+gc
24 22 2 9.0 osh-native mut+alloc+free+gc+exit
26 11 15 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 14 12 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc