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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 190 54 99 46.1 51.2 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,128 31,810 12 50,000 0 2,818 osh-native
ex.bashcomp-parse-help 180 0 3 12.3 8.7 1,002,882 27,376 21 50,000 0 3,802 osh-native
ex.abuild-print-help 23 1 2 2.8 8.8 116,069 478 3 85,320 1 42,660 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.4 dash -
24 19 4 3.1 bash -
108 55 60 3.4 zsh -
17 9 9 28.2 bumpleak/osh mut
20 20 0 28.3 _bin/cxx-opt+bumproot/osh mut
23 23 0 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 35 0 18.0 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 31.9 _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 18 4 1.6 dash -
79 75 4 3.3 bash -
390 215 198 3.5 zsh -
52 40 12 84.9 bumpleak/osh mut
62 62 0 86.2 _bin/cxx-opt+bumproot/osh mut
73 64 8 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
100 60 40 73.4 osh-native mut+alloc
108 60 48 75.3 osh-native mut+alloc+free
190 178 12 51.2 osh-native mut+alloc+free+gc
217 201 16 52.1 osh-native mut+alloc+free+gc+exit
142 89 53 98.7 _bin/cxx-opt+nopool/osh mut+alloc
273 240 32 73.2 _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 2.9 bash -
8 8 0 3.3 zsh -
6 0 6 10.8 bumpleak/osh mut
7 3 3 11.3 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.8 osh-native mut+alloc
9 3 6 10.1 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 5 5 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.3 _bin/cxx-opt+nopool/osh mut+alloc
11 11 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
11 7 3 1.4 dash -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
20 15 4 31.4 bumpleak/osh mut
27 22 4 33.2 _bin/cxx-opt+bumproot/osh mut
30 30 0 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 18 11 7.9 osh-native mut+alloc+free+gc+exit
54 29 25 36.0 _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 3.0 bash -
170 119 51 56.1 bumpleak/osh mut
182 141 40 57.2 _bin/cxx-opt+bumproot/osh mut
199 116 84 58.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 143 72 48.8 osh-native mut+alloc
222 161 60 50.6 osh-native mut+alloc+free
180 128 52 8.7 osh-native mut+alloc+free+gc
182 121 61 8.7 osh-native mut+alloc+free+gc+exit
236 168 68 65.2 _bin/cxx-opt+nopool/osh mut+alloc
212 172 40 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 7 3 3.4 dash -
20 18 3 4.5 bash -
18 10 8 3.5 zsh -
19 10 9 11.6 bumpleak/osh mut
20 12 8 11.5 _bin/cxx-opt+bumproot/osh mut
21 11 11 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 20 2 11.0 osh-native mut+alloc
23 10 13 10.9 osh-native mut+alloc+free
23 11 12 8.8 osh-native mut+alloc+free+gc
23 20 4 9.0 osh-native mut+alloc+free+gc+exit
25 23 2 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 14 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc