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 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 157 26 68 46.1 51.4 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 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 184 0 4 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,240 478 3 85,322 1 42,661 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 -
23 23 0 2.9 bash -
105 55 56 3.4 zsh -
16 12 4 27.7 bumpleak/osh mut
20 12 8 30.0 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 30 0 25.2 osh-native mut+alloc
32 24 8 25.7 osh-native mut+alloc+free
35 27 8 17.7 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 28 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
50 41 8 22.2 _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 18 4 1.4 dash -
78 78 0 3.1 bash -
376 211 187 3.5 zsh -
50 41 8 85.1 bumpleak/osh mut
59 51 8 85.9 _bin/cxx-opt+bumproot/osh mut
70 58 12 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 75 24 73.6 osh-native mut+alloc
106 57 49 75.1 osh-native mut+alloc+free
157 136 20 51.4 osh-native mut+alloc+free+gc
164 144 20 52.2 osh-native mut+alloc+free+gc+exit
142 71 71 99.0 _bin/cxx-opt+nopool/osh mut+alloc
228 188 40 72.5 _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 -
5 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 0 6 11.4 bumpleak/osh mut
7 7 0 11.7 _bin/cxx-opt+bumproot/osh mut
7 7 0 10.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 0 9 8.5 osh-native mut+alloc+free+gc
9 5 5 8.4 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.4 _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 -
29 25 4 3.0 bash -
24 20 4 3.3 zsh -
19 15 4 32.9 bumpleak/osh mut
25 18 7 33.1 _bin/cxx-opt+bumproot/osh mut
28 23 4 32.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 20 16 26.2 osh-native mut+alloc
38 19 19 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 29 25 36.4 _bin/cxx-opt+nopool/osh mut+alloc
37 28 8 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
72 68 4 3.1 bash -
168 92 76 56.4 bumpleak/osh mut
179 126 53 56.7 _bin/cxx-opt+bumproot/osh mut
195 115 79 58.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 164 48 48.8 osh-native mut+alloc
221 141 80 50.7 osh-native mut+alloc+free
184 135 48 8.7 osh-native mut+alloc+free+gc
183 119 64 8.7 osh-native mut+alloc+free+gc+exit
231 131 99 65.7 _bin/cxx-opt+nopool/osh mut+alloc
212 144 68 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 3.5 dash -
20 15 5 4.3 bash -
17 10 8 3.4 zsh -
20 19 1 12.0 bumpleak/osh mut
22 16 6 13.5 _bin/cxx-opt+bumproot/osh mut
21 15 6 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 12 10 10.5 osh-native mut+alloc
23 16 7 10.9 osh-native mut+alloc+free
22 12 11 8.9 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
25 20 6 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc