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 17.6 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 147 23 59 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 8.3 101,875 180 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 181 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 8.8 116,284 478 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
7 7 0 1.6 dash -
24 24 0 3.0 bash -
104 50 61 3.3 zsh -
16 16 0 28.7 bumpleak/osh mut
20 12 8 30.2 _bin/cxx-opt+bumproot/osh mut
22 15 7 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 24 8 25.4 osh-native mut+alloc+free
35 23 12 17.6 osh-native mut+alloc+free+gc
36 24 12 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.7 _bin/cxx-opt+nopool/osh mut+alloc
46 31 15 22.2 _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 -
78 73 4 3.3 bash -
371 204 189 3.5 zsh -
50 37 12 84.6 bumpleak/osh mut
62 57 4 85.5 _bin/cxx-opt+bumproot/osh mut
70 57 12 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.4 osh-native mut+alloc
106 86 20 75.3 osh-native mut+alloc+free
147 114 33 51.6 osh-native mut+alloc+free+gc
151 143 8 52.3 osh-native mut+alloc+free+gc+exit
140 104 36 98.5 _bin/cxx-opt+nopool/osh mut+alloc
209 188 20 71.7 _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 7 0 3.3 zsh -
6 6 0 10.9 bumpleak/osh mut
7 7 0 11.5 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 4 4 8.3 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.5 _bin/cxx-opt+nopool/osh mut+alloc
11 7 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
11 11 0 1.6 dash -
29 29 0 3.0 bash -
23 19 4 3.3 zsh -
19 15 4 30.7 bumpleak/osh mut
26 25 0 32.8 _bin/cxx-opt+bumproot/osh mut
28 27 0 33.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 23 15 26.7 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
27 23 4 7.7 osh-native mut+alloc+free+gc+exit
53 37 16 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 30 7 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 73 0 3.0 bash -
168 124 44 54.1 bumpleak/osh mut
181 122 59 55.9 _bin/cxx-opt+bumproot/osh mut
193 128 64 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 113 97 47.1 osh-native mut+alloc
215 135 80 48.8 osh-native mut+alloc+free
181 152 28 8.7 osh-native mut+alloc+free+gc
181 120 60 8.8 osh-native mut+alloc+free+gc+exit
231 171 60 62.6 _bin/cxx-opt+nopool/osh mut+alloc
208 164 44 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 5 3.5 dash -
19 16 4 4.3 bash -
17 12 7 3.5 zsh -
18 16 3 11.0 bumpleak/osh mut
20 13 8 12.3 _bin/cxx-opt+bumproot/osh mut
20 7 13 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 21 2 10.9 osh-native mut+alloc
22 14 8 11.0 osh-native mut+alloc+free
22 14 9 8.8 osh-native mut+alloc+free+gc
23 17 7 8.9 osh-native mut+alloc+free+gc+exit
24 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc