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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 146 24 59 44.6 50.0 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.3 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 7.9 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 3 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,298 478 3 85,348 1 42,674 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 -
24 24 0 3.0 bash -
104 64 47 3.3 zsh -
16 12 4 29.5 bumpleak/osh mut
19 11 8 30.4 _bin/cxx-opt+bumproot/osh mut
23 15 7 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
44 32 12 31.9 _bin/cxx-opt+nopool/osh mut+alloc
50 42 8 22.0 _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 17 4 1.4 dash -
77 73 4 3.1 bash -
379 196 205 3.5 zsh -
49 44 4 84.1 bumpleak/osh mut
59 54 4 84.3 _bin/cxx-opt+bumproot/osh mut
70 43 27 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 67 32 73.5 osh-native mut+alloc
105 69 36 75.3 osh-native mut+alloc+free
146 122 24 50.0 osh-native mut+alloc+free+gc
150 134 16 50.5 osh-native mut+alloc+free+gc+exit
138 107 32 98.9 _bin/cxx-opt+nopool/osh mut+alloc
202 178 24 67.8 _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 6 0 2.9 bash -
8 0 7 3.3 zsh -
6 0 6 10.6 bumpleak/osh mut
7 7 0 11.9 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
9 3 6 8.3 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.6 _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 1.6 dash -
29 29 0 3.0 bash -
23 12 12 3.1 zsh -
20 20 0 32.1 bumpleak/osh mut
25 17 8 31.6 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.2 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 45 8 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 69 4 3.1 bash -
169 90 78 55.5 bumpleak/osh mut
180 124 56 54.9 _bin/cxx-opt+bumproot/osh mut
191 134 57 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 147 64 47.0 osh-native mut+alloc
217 157 60 48.6 osh-native mut+alloc+free
181 116 64 8.8 osh-native mut+alloc+free+gc
181 124 56 8.8 osh-native mut+alloc+free+gc+exit
232 136 96 64.1 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 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 5 6 3.5 dash -
20 11 9 4.2 bash -
18 10 8 3.5 zsh -
19 10 9 12.5 bumpleak/osh mut
20 15 5 12.9 _bin/cxx-opt+bumproot/osh mut
21 11 10 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.7 osh-native mut+alloc
22 12 11 10.9 osh-native mut+alloc+free
22 14 9 8.9 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 18 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc