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 17.8 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 150 25 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 8.5 101,867 180 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 3 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 23 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 19 4 3.1 bash -
105 63 48 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 16 4 29.6 _bin/cxx-opt+bumproot/osh mut
22 11 11 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 18 11 25.0 osh-native mut+alloc
32 20 12 25.4 osh-native mut+alloc+free
35 27 8 17.8 osh-native mut+alloc+free+gc
36 20 16 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 32.1 _bin/cxx-opt+nopool/osh mut+alloc
48 40 8 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 21 0 1.4 dash -
78 73 4 3.1 bash -
375 248 148 3.5 zsh -
49 41 8 85.0 bumpleak/osh mut
61 57 4 86.3 _bin/cxx-opt+bumproot/osh mut
71 62 8 86.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 67 31 73.4 osh-native mut+alloc
105 62 43 75.3 osh-native mut+alloc+free
150 130 20 51.4 osh-native mut+alloc+free+gc
153 130 24 52.1 osh-native mut+alloc+free+gc+exit
141 104 36 97.7 _bin/cxx-opt+nopool/osh mut+alloc
225 186 39 71.1 _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 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 11.3 bumpleak/osh mut
7 3 3 10.8 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
9 0 9 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
10 10 0 8.4 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 9.3 _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 -
29 29 0 2.9 bash -
24 20 4 3.3 zsh -
19 7 11 31.3 bumpleak/osh mut
25 18 7 32.0 _bin/cxx-opt+bumproot/osh mut
28 18 11 33.0 _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 28 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 40 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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
73 69 4 3.3 bash -
169 113 56 57.4 bumpleak/osh mut
181 132 48 58.2 _bin/cxx-opt+bumproot/osh mut
198 119 79 57.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 130 83 48.8 osh-native mut+alloc
221 148 72 50.6 osh-native mut+alloc+free
184 147 36 8.7 osh-native mut+alloc+free+gc
184 136 48 8.7 osh-native mut+alloc+free+gc+exit
282 183 99 64.7 _bin/cxx-opt+nopool/osh mut+alloc
212 147 64 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 7 3 3.5 dash -
20 20 0 4.5 bash -
18 16 3 3.5 zsh -
20 7 13 11.9 bumpleak/osh mut
19 12 8 11.7 _bin/cxx-opt+bumproot/osh mut
22 11 12 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 12 10 10.9 osh-native mut+alloc
23 20 3 10.9 osh-native mut+alloc+free
23 23 1 8.9 osh-native mut+alloc+free+gc
23 15 9 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc