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 26 3 8 12.2 18.0 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 103 18 40 46.2 51.7 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 6 1 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 13 0 2 2.9 9.1 117,524 477 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 16 0 3.1 bash -
61 35 30 3.5 zsh -
12 8 4 28.6 bumpleak/osh mut
15 14 0 28.4 _bin/cxx-opt+bumproot/osh mut
16 16 0 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 12 8 25.0 osh-native mut+alloc
22 17 4 25.6 osh-native mut+alloc+free
26 25 0 18.0 osh-native mut+alloc+free+gc
27 19 8 18.1 osh-native mut+alloc+free+gc+exit
29 20 8 33.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 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 1.6 dash -
55 51 4 3.3 bash -
214 132 96 3.6 zsh -
37 29 8 85.3 bumpleak/osh mut
45 41 4 85.3 _bin/cxx-opt+bumproot/osh mut
53 45 8 86.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
65 45 20 74.0 osh-native mut+alloc
74 51 23 75.9 osh-native mut+alloc+free
103 90 12 51.7 osh-native mut+alloc+free+gc
108 100 8 52.5 osh-native mut+alloc+free+gc+exit
93 69 24 100.1 _bin/cxx-opt+nopool/osh mut+alloc
149 116 32 68.4 _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 1.6 dash -
4 4 0 3.1 bash -
4 0 4 3.4 zsh -
5 4 0 11.1 bumpleak/osh mut
5 2 2 10.7 _bin/cxx-opt+bumproot/osh mut
5 5 0 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
5 5 0 9.8 osh-native mut+alloc
6 0 6 10.0 osh-native mut+alloc+free
6 6 0 8.5 osh-native mut+alloc+free+gc
6 6 0 8.6 osh-native mut+alloc+free+gc+exit
8 8 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
9 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 19 0 3.0 bash -
15 14 0 3.5 zsh -
15 15 0 34.4 bumpleak/osh mut
20 15 4 35.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 34.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
27 15 11 28.2 osh-native mut+alloc
29 22 7 28.7 osh-native mut+alloc+free
21 18 4 7.8 osh-native mut+alloc+free+gc
21 21 0 7.8 osh-native mut+alloc+free+gc+exit
39 31 8 38.9 _bin/cxx-opt+nopool/osh mut+alloc
29 29 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 47 4 3.1 bash -
103 91 12 59.9 bumpleak/osh mut
111 79 32 58.7 _bin/cxx-opt+bumproot/osh mut
120 88 32 60.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
129 100 28 50.6 osh-native mut+alloc
135 103 32 52.5 osh-native mut+alloc+free
112 80 32 8.7 osh-native mut+alloc+free+gc
111 82 29 8.7 osh-native mut+alloc+free+gc+exit
144 116 28 67.1 _bin/cxx-opt+nopool/osh mut+alloc
130 110 20 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
5 5 0 3.6 dash -
12 11 1 4.5 bash -
9 4 6 3.7 zsh -
11 8 4 12.4 bumpleak/osh mut
11 10 1 12.0 _bin/cxx-opt+bumproot/osh mut
11 8 4 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
12 10 3 11.1 osh-native mut+alloc
13 10 3 11.1 osh-native mut+alloc+free
13 9 5 9.1 osh-native mut+alloc+free+gc
13 13 0 9.1 osh-native mut+alloc+free+gc+exit
15 14 1 12.4 _bin/cxx-opt+nopool/osh mut+alloc
15 12 4 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc