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 25 3 7 12.2 17.9 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 101 18 40 46.2 51.6 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 6 0 1 2.7 8.5 102,532 180 2 75,968 1 37,984 osh-native
ex.compute-fib 21 0 1 3.0 7.8 651,800 31,810 13 50,000 0 2,829 osh-native
ex.bashcomp-parse-help 112 0 3 12.3 8.7 1,077,990 27,375 23 50,000 0 3,938 osh-native
ex.abuild-print-help 15 0 2 2.9 9.1 117,530 477 3 86,148 1 43,074 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
4 4 0 1.5 dash -
20 20 0 3.1 bash -
62 43 23 3.4 zsh -
12 8 4 28.6 bumpleak/osh mut
14 14 0 29.2 _bin/cxx-opt+bumproot/osh mut
16 12 4 29.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 8 12 25.1 osh-native mut+alloc
22 17 4 25.4 osh-native mut+alloc+free
25 24 0 17.9 osh-native mut+alloc+free+gc
25 25 0 18.1 osh-native mut+alloc+free+gc+exit
28 24 4 32.1 _bin/cxx-opt+nopool/osh mut+alloc
33 25 8 22.6 _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 55 0 3.4 bash -
221 155 79 3.6 zsh -
36 32 4 85.5 bumpleak/osh mut
45 45 0 85.0 _bin/cxx-opt+bumproot/osh mut
52 40 12 85.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
64 40 24 73.9 osh-native mut+alloc
71 47 24 76.0 osh-native mut+alloc+free
101 78 23 51.6 osh-native mut+alloc+free+gc
109 97 12 52.4 osh-native mut+alloc+free+gc+exit
92 64 28 99.6 _bin/cxx-opt+nopool/osh mut+alloc
142 134 8 68.9 _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 1 0 1.5 dash -
4 4 0 3.1 bash -
4 4 0 3.4 zsh -
4 4 0 10.5 bumpleak/osh mut
4 4 0 11.0 _bin/cxx-opt+bumproot/osh mut
4 4 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
6 6 0 9.9 osh-native mut+alloc
6 3 3 10.0 osh-native mut+alloc+free
6 6 0 8.5 osh-native mut+alloc+free+gc
6 6 0 8.5 osh-native mut+alloc+free+gc+exit
7 7 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
8 8 0 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
7 7 0 1.6 dash -
20 20 0 3.0 bash -
15 14 0 3.5 zsh -
15 10 5 34.4 bumpleak/osh mut
19 15 4 34.1 _bin/cxx-opt+bumproot/osh mut
22 13 9 34.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 11 28.3 osh-native mut+alloc
29 21 8 28.7 osh-native mut+alloc+free
21 21 0 7.8 osh-native mut+alloc+free+gc
21 21 0 7.9 osh-native mut+alloc+free+gc+exit
38 23 15 38.8 _bin/cxx-opt+nopool/osh mut+alloc
29 25 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
51 47 4 3.3 bash -
102 82 20 59.7 bumpleak/osh mut
108 76 32 58.7 _bin/cxx-opt+bumproot/osh mut
121 96 24 60.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
135 86 49 50.6 osh-native mut+alloc
139 119 20 52.4 osh-native mut+alloc+free
112 80 32 8.7 osh-native mut+alloc+free+gc
112 87 24 8.7 osh-native mut+alloc+free+gc+exit
143 103 40 67.1 _bin/cxx-opt+nopool/osh mut+alloc
130 114 16 10.0 _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 3.6 dash -
12 11 1 4.6 bash -
10 7 3 3.5 zsh -
12 8 4 13.1 bumpleak/osh mut
12 12 1 11.8 _bin/cxx-opt+bumproot/osh mut
14 5 9 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
13 9 5 11.1 osh-native mut+alloc
14 12 3 11.2 osh-native mut+alloc+free
15 15 0 9.1 osh-native mut+alloc+free+gc
15 9 6 9.1 osh-native mut+alloc+free+gc+exit
16 10 6 12.4 _bin/cxx-opt+nopool/osh mut+alloc
16 14 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc