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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 149 24 63 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 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 2 2.6 8.0 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 181 0 4 10.3 8.8 979,369 27,376 21 50,000 0 3,804 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,240 478 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 1.4 dash -
24 20 4 3.0 bash -
104 71 39 3.4 zsh -
16 12 4 29.7 bumpleak/osh mut
19 14 5 29.8 _bin/cxx-opt+bumproot/osh mut
22 17 4 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 13 17 25.6 osh-native mut+alloc+free
36 27 8 17.8 osh-native mut+alloc+free+gc
36 36 0 18.0 osh-native mut+alloc+free+gc+exit
43 42 0 32.7 _bin/cxx-opt+nopool/osh mut+alloc
47 31 16 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
21 17 4 1.6 dash -
77 77 0 3.3 bash -
371 220 174 3.5 zsh -
49 32 16 84.0 bumpleak/osh mut
60 59 0 86.3 _bin/cxx-opt+bumproot/osh mut
69 61 8 88.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 74 23 73.4 osh-native mut+alloc
104 73 31 75.3 osh-native mut+alloc+free
149 125 24 51.4 osh-native mut+alloc+free+gc
153 137 16 52.2 osh-native mut+alloc+free+gc+exit
139 91 48 98.5 _bin/cxx-opt+nopool/osh mut+alloc
203 163 40 74.5 _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 -
6 6 0 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.4 bumpleak/osh mut
6 6 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 0 7 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.7 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 0 9 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 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 1.6 dash -
28 28 0 2.9 bash -
24 14 10 3.3 zsh -
18 18 0 32.9 bumpleak/osh mut
25 20 4 31.7 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.2 osh-native mut+alloc
37 37 0 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
31 27 4 7.9 osh-native mut+alloc+free+gc+exit
52 40 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
39 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 74 0 3.0 bash -
167 103 64 53.4 bumpleak/osh mut
178 121 57 55.4 _bin/cxx-opt+bumproot/osh mut
192 140 52 54.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 140 68 46.3 osh-native mut+alloc
215 147 68 48.3 osh-native mut+alloc+free
181 132 48 8.8 osh-native mut+alloc+free+gc
180 136 44 8.5 osh-native mut+alloc+free+gc+exit
232 156 76 61.9 _bin/cxx-opt+nopool/osh mut+alloc
209 144 64 9.9 _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
9 9 1 3.4 dash -
19 14 5 4.5 bash -
17 7 11 3.5 zsh -
18 15 3 11.3 bumpleak/osh mut
19 14 5 11.8 _bin/cxx-opt+bumproot/osh mut
20 16 4 12.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 7 11.0 osh-native mut+alloc
22 8 15 11.1 osh-native mut+alloc+free
22 17 6 9.0 osh-native mut+alloc+free+gc
23 17 6 8.7 osh-native mut+alloc+free+gc+exit
24 17 7 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc