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 10 12.0 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 149 25 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 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 181 0 4 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 8.9 116,284 478 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 3 3 1.6 dash -
23 23 0 3.0 bash -
104 65 46 3.4 zsh -
16 16 0 29.2 bumpleak/osh mut
20 15 5 29.8 _bin/cxx-opt+bumproot/osh mut
23 15 8 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 15 15 25.0 osh-native mut+alloc
31 23 8 25.6 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
37 18 18 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.6 _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 22 0 1.6 dash -
78 78 0 3.3 bash -
377 219 179 3.5 zsh -
48 32 16 84.5 bumpleak/osh mut
61 49 12 84.5 _bin/cxx-opt+bumproot/osh mut
70 42 27 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 53 45 73.4 osh-native mut+alloc
106 70 35 75.3 osh-native mut+alloc+free
149 130 20 51.4 osh-native mut+alloc+free+gc
161 133 27 52.3 osh-native mut+alloc+free+gc+exit
141 96 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
227 194 32 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 0 2 1.4 dash -
6 3 3 3.0 bash -
8 4 4 3.3 zsh -
6 0 6 11.0 bumpleak/osh mut
6 6 0 12.3 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 3 6 10.2 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 4 4 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.5 _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 7 3 1.4 dash -
29 29 0 3.0 bash -
23 8 15 3.4 zsh -
20 20 0 30.8 bumpleak/osh mut
26 21 4 32.4 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
38 34 4 26.7 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
54 49 4 36.3 _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 73 0 3.1 bash -
167 111 55 55.7 bumpleak/osh mut
178 134 44 56.3 _bin/cxx-opt+bumproot/osh mut
193 128 64 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 109 101 46.9 osh-native mut+alloc
219 142 77 48.8 osh-native mut+alloc+free
181 117 64 8.7 osh-native mut+alloc+free+gc
180 108 72 8.7 osh-native mut+alloc+free+gc+exit
233 132 100 62.4 _bin/cxx-opt+nopool/osh mut+alloc
208 144 64 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 6 4 3.4 dash -
20 19 1 4.5 bash -
17 6 12 3.4 zsh -
18 12 6 13.1 bumpleak/osh mut
21 7 14 12.8 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 10 10.9 osh-native mut+alloc
23 15 9 11.0 osh-native mut+alloc+free
22 11 12 8.9 osh-native mut+alloc+free+gc
23 18 5 8.9 osh-native mut+alloc+free+gc+exit
25 13 12 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc