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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 171 31 83 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 2 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.5 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 23 1 2 2.8 9.0 116,298 478 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 1.6 dash -
24 23 0 3.1 bash -
104 60 51 3.4 zsh -
16 8 8 29.0 bumpleak/osh mut
20 12 8 30.2 _bin/cxx-opt+bumproot/osh mut
23 18 5 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 15 15 25.0 osh-native mut+alloc
32 27 4 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
37 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 20 23 32.8 _bin/cxx-opt+nopool/osh mut+alloc
48 41 7 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 22 0 1.6 dash -
77 77 0 3.3 bash -
377 220 179 3.4 zsh -
49 37 12 85.4 bumpleak/osh mut
60 56 4 86.0 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 70 29 73.3 osh-native mut+alloc
108 64 44 75.3 osh-native mut+alloc+free
171 143 28 49.9 osh-native mut+alloc+free+gc
174 154 20 50.6 osh-native mut+alloc+free+gc+exit
142 89 53 98.3 _bin/cxx-opt+nopool/osh mut+alloc
231 195 36 66.6 _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 1.3 dash -
6 6 0 2.9 bash -
8 8 0 3.3 zsh -
6 3 3 11.5 bumpleak/osh mut
7 4 4 12.1 _bin/cxx-opt+bumproot/osh mut
8 4 4 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 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
11 10 0 1.4 dash -
30 29 0 2.9 bash -
24 24 0 3.3 zsh -
20 20 0 32.9 bumpleak/osh mut
26 18 7 33.3 _bin/cxx-opt+bumproot/osh mut
28 28 0 31.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 20 16 26.2 osh-native mut+alloc
39 31 8 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
55 51 4 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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
74 65 8 3.1 bash -
169 113 56 53.7 bumpleak/osh mut
182 119 63 54.7 _bin/cxx-opt+bumproot/osh mut
194 117 77 56.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 141 71 47.0 osh-native mut+alloc
218 134 83 48.7 osh-native mut+alloc+free
181 149 31 8.5 osh-native mut+alloc+free+gc
181 101 81 8.8 osh-native mut+alloc+free+gc+exit
232 156 76 64.0 _bin/cxx-opt+nopool/osh mut+alloc
209 156 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
10 4 6 3.4 dash -
20 11 9 4.3 bash -
18 12 6 3.5 zsh -
18 12 7 12.0 bumpleak/osh mut
20 17 4 12.5 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 17 6 11.0 osh-native mut+alloc
23 14 9 11.0 osh-native mut+alloc+free
23 17 6 9.0 osh-native mut+alloc+free+gc
24 16 8 9.0 osh-native mut+alloc+free+gc+exit
25 23 2 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc