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 3 10 12.0 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 148 23 61 46.1 51.6 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 8 1 1 2.6 8.4 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 26 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 175 0 4 10.6 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,284 478 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 23 0 3.0 bash -
102 51 57 3.4 zsh -
15 15 0 28.0 bumpleak/osh mut
20 15 5 29.2 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
28 20 8 25.2 osh-native mut+alloc
29 21 8 25.4 osh-native mut+alloc+free
36 31 4 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
41 25 16 31.9 _bin/cxx-opt+nopool/osh mut+alloc
46 30 15 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 -
74 74 0 3.3 bash -
357 199 178 3.5 zsh -
50 34 15 84.8 bumpleak/osh mut
59 55 4 86.1 _bin/cxx-opt+bumproot/osh mut
67 51 16 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
104 72 32 75.3 osh-native mut+alloc+free
148 132 16 51.6 osh-native mut+alloc+free+gc
154 121 32 52.2 osh-native mut+alloc+free+gc+exit
131 103 28 98.1 _bin/cxx-opt+nopool/osh mut+alloc
202 170 32 72.9 _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 8 0 3.1 zsh -
6 6 0 12.0 bumpleak/osh mut
6 3 3 12.5 _bin/cxx-opt+bumproot/osh mut
8 7 0 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
8 4 4 10.1 osh-native mut+alloc+free
8 8 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.3 _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 2.9 bash -
24 12 12 3.4 zsh -
19 15 4 33.0 bumpleak/osh mut
26 19 7 32.9 _bin/cxx-opt+bumproot/osh mut
27 19 8 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
34 26 7 26.3 osh-native mut+alloc
35 20 16 26.7 osh-native mut+alloc+free
26 26 0 7.9 osh-native mut+alloc+free+gc
26 26 0 7.7 osh-native mut+alloc+free+gc+exit
53 24 28 36.0 _bin/cxx-opt+nopool/osh mut+alloc
34 25 8 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 72 0 3.0 bash -
166 121 44 55.6 bumpleak/osh mut
170 125 44 55.5 _bin/cxx-opt+bumproot/osh mut
187 142 45 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
203 138 65 46.9 osh-native mut+alloc
204 100 104 48.9 osh-native mut+alloc+free
175 135 40 8.5 osh-native mut+alloc+free+gc
179 103 75 8.8 osh-native mut+alloc+free+gc+exit
222 139 83 64.3 _bin/cxx-opt+nopool/osh mut+alloc
201 148 52 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
9 4 5 3.4 dash -
19 12 8 4.5 bash -
17 10 8 3.5 zsh -
19 7 13 12.6 bumpleak/osh mut
21 14 8 12.5 _bin/cxx-opt+bumproot/osh mut
20 18 3 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 16 6 10.9 osh-native mut+alloc
21 12 10 11.0 osh-native mut+alloc+free
21 19 3 8.7 osh-native mut+alloc+free+gc
23 15 9 8.9 osh-native mut+alloc+free+gc+exit
24 10 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc