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 24 2 7 12.2 17.9 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 92 15 33 46.2 51.8 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 5 0 1 2.7 8.5 102,532 180 2 75,968 1 37,984 osh-native
ex.compute-fib 20 0 1 3.0 7.8 651,800 31,810 13 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 112 0 2 12.3 8.6 1,077,990 27,375 23 50,000 0 3,938 osh-native
ex.abuild-print-help 14 0 1 2.9 9.0 117,524 477 3 85,988 1 42,994 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
4 4 0 1.6 dash -
16 12 4 3.1 bash -
77 41 40 3.5 zsh -
12 0 12 28.3 bumpleak/osh mut
13 13 0 28.5 _bin/cxx-opt+bumproot/osh mut
15 15 0 30.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
19 5 14 25.1 osh-native mut+alloc
20 20 0 25.5 osh-native mut+alloc+free
24 16 8 17.9 osh-native mut+alloc+free+gc
24 24 0 18.1 osh-native mut+alloc+free+gc+exit
27 19 8 32.6 _bin/cxx-opt+nopool/osh mut+alloc
32 20 12 22.7 _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
15 15 0 1.7 dash -
55 51 4 3.4 bash -
238 153 98 3.6 zsh -
36 28 8 84.9 bumpleak/osh mut
45 36 8 85.2 _bin/cxx-opt+bumproot/osh mut
51 39 12 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
64 40 24 74.1 osh-native mut+alloc
71 43 28 75.8 osh-native mut+alloc+free
92 80 12 51.8 osh-native mut+alloc+free+gc
98 93 4 52.5 osh-native mut+alloc+free+gc+exit
91 67 24 98.9 _bin/cxx-opt+nopool/osh mut+alloc
124 108 16 68.2 _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
1 0 1 1.6 dash -
4 4 0 3.1 bash -
4 4 0 3.5 zsh -
4 4 0 11.8 bumpleak/osh mut
4 0 4 11.0 _bin/cxx-opt+bumproot/osh mut
4 0 4 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
5 5 0 10.2 osh-native mut+alloc
5 5 0 10.1 osh-native mut+alloc+free
5 5 0 8.5 osh-native mut+alloc+free+gc
5 5 0 8.5 osh-native mut+alloc+free+gc+exit
7 7 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
7 7 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
7 7 0 1.6 dash -
20 20 0 2.9 bash -
14 11 4 3.4 zsh -
14 14 0 33.4 bumpleak/osh mut
18 14 4 35.3 _bin/cxx-opt+bumproot/osh mut
21 21 0 34.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
25 21 4 28.3 osh-native mut+alloc
27 27 0 28.7 osh-native mut+alloc+free
20 16 4 7.8 osh-native mut+alloc+free+gc
20 17 3 7.9 osh-native mut+alloc+free+gc+exit
37 33 4 38.9 _bin/cxx-opt+nopool/osh mut+alloc
28 28 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
51 51 0 3.1 bash -
100 60 40 58.2 bumpleak/osh mut
108 96 12 58.9 _bin/cxx-opt+bumproot/osh mut
117 82 35 59.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
126 98 28 50.6 osh-native mut+alloc
134 90 43 52.5 osh-native mut+alloc+free
112 79 32 8.6 osh-native mut+alloc+free+gc
109 89 20 8.7 osh-native mut+alloc+free+gc+exit
140 108 32 67.2 _bin/cxx-opt+nopool/osh mut+alloc
128 100 28 9.8 _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
6 5 0 3.7 dash -
12 12 0 4.6 bash -
10 10 0 3.6 zsh -
11 10 1 11.4 bumpleak/osh mut
13 11 2 13.3 _bin/cxx-opt+bumproot/osh mut
13 5 8 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
13 12 1 11.0 osh-native mut+alloc
13 9 4 11.1 osh-native mut+alloc+free
14 14 0 9.0 osh-native mut+alloc+free+gc
14 13 1 9.1 osh-native mut+alloc+free+gc+exit
15 11 4 12.4 _bin/cxx-opt+nopool/osh mut+alloc
15 16 0 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc