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 37 4 10 12.0 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 173 27 84 46.1 51.7 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 2 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 24 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 -
104 62 49 3.4 zsh -
16 12 4 28.9 bumpleak/osh mut
20 8 12 29.7 _bin/cxx-opt+bumproot/osh mut
22 17 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.0 osh-native mut+alloc
32 24 8 25.6 osh-native mut+alloc+free
37 37 0 18.0 osh-native mut+alloc+free+gc
38 37 0 18.1 osh-native mut+alloc+free+gc+exit
43 31 12 32.1 _bin/cxx-opt+nopool/osh mut+alloc
51 34 17 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
21 17 4 1.4 dash -
77 77 0 3.1 bash -
378 221 177 3.5 zsh -
49 45 4 85.7 bumpleak/osh mut
60 52 8 84.6 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 74 25 73.3 osh-native mut+alloc
106 78 27 75.1 osh-native mut+alloc+free
173 153 20 51.7 osh-native mut+alloc+free+gc
178 154 24 52.1 osh-native mut+alloc+free+gc+exit
140 82 57 98.1 _bin/cxx-opt+nopool/osh mut+alloc
239 211 28 73.8 _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 3.0 bash -
8 0 7 3.4 zsh -
6 0 6 10.7 bumpleak/osh mut
7 3 3 10.9 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 9 0 10.1 osh-native mut+alloc+free
9 6 3 8.5 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 0 11 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 22 7 3.0 bash -
24 16 8 3.3 zsh -
19 15 4 31.3 bumpleak/osh mut
26 25 0 32.4 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.2 osh-native mut+alloc
39 21 17 26.9 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 30 23 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 32 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 72 0 3.1 bash -
169 116 52 55.0 bumpleak/osh mut
178 117 61 55.4 _bin/cxx-opt+bumproot/osh mut
195 131 64 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 151 60 46.9 osh-native mut+alloc
220 128 92 48.8 osh-native mut+alloc+free
181 124 56 8.7 osh-native mut+alloc+free+gc
181 110 71 8.5 osh-native mut+alloc+free+gc+exit
230 121 109 63.4 _bin/cxx-opt+nopool/osh mut+alloc
209 176 32 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 9 1 3.5 dash -
20 13 7 4.5 bash -
18 7 11 3.5 zsh -
19 17 2 13.1 bumpleak/osh mut
21 13 8 12.8 _bin/cxx-opt+bumproot/osh mut
22 19 3 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 13 9 11.0 osh-native mut+alloc
23 13 10 10.9 osh-native mut+alloc+free
24 22 2 8.7 osh-native mut+alloc+free+gc
23 18 6 8.9 osh-native mut+alloc+free+gc+exit
25 14 11 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 23 2 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc