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 4 10 12.0 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 152 26 64 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 185 0 4 10.6 8.7 995,209 27,376 21 50,000 0 3,815 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,276 478 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 1.4 dash -
23 23 0 3.0 bash -
104 66 46 3.4 zsh -
16 12 4 29.4 bumpleak/osh mut
20 10 10 28.7 _bin/cxx-opt+bumproot/osh mut
22 9 13 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.1 osh-native mut+alloc+free+gc+exit
43 27 15 31.8 _bin/cxx-opt+nopool/osh mut+alloc
46 34 11 22.1 _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 1.4 dash -
78 74 4 3.3 bash -
379 200 199 3.5 zsh -
49 36 12 85.6 bumpleak/osh mut
59 43 16 85.8 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 71 28 73.3 osh-native mut+alloc
106 75 31 75.3 osh-native mut+alloc+free
152 132 20 51.2 osh-native mut+alloc+free+gc
159 123 36 52.1 osh-native mut+alloc+free+gc+exit
138 75 63 98.1 _bin/cxx-opt+nopool/osh mut+alloc
212 179 32 71.7 _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 3.3 zsh -
6 0 6 10.9 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 6 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 8 4 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 10 0 1.4 dash -
29 28 0 3.0 bash -
24 20 4 3.4 zsh -
18 18 0 30.9 bumpleak/osh mut
26 26 0 32.8 _bin/cxx-opt+bumproot/osh mut
27 23 5 33.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.2 osh-native mut+alloc
38 33 4 26.6 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
28 27 0 8.0 osh-native mut+alloc+free+gc+exit
53 29 25 36.1 _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 -
168 120 48 54.3 bumpleak/osh mut
182 117 65 56.3 _bin/cxx-opt+bumproot/osh mut
197 136 60 56.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 140 72 46.9 osh-native mut+alloc
220 144 76 48.8 osh-native mut+alloc+free
185 146 39 8.7 osh-native mut+alloc+free+gc
182 125 57 8.8 osh-native mut+alloc+free+gc+exit
232 140 92 62.7 _bin/cxx-opt+nopool/osh mut+alloc
211 167 44 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 9 1 3.5 dash -
19 19 1 4.5 bash -
18 10 8 3.5 zsh -
20 13 7 12.4 bumpleak/osh mut
20 16 4 13.7 _bin/cxx-opt+bumproot/osh mut
22 11 11 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 10.7 osh-native mut+alloc
22 17 5 10.7 osh-native mut+alloc+free
22 13 10 8.9 osh-native mut+alloc+free+gc
23 17 6 8.9 osh-native mut+alloc+free+gc+exit
25 14 12 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 17 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc