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 18.0 478,359 1,282 6 428,228 5 214,114 osh-native
parse.configure-coreutils 87 11 27 46.2 51.7 1,660,610 4,764 10 1,189,390 7 594,695 osh-native
parse.abuild 6 0 1 2.7 8.6 102,532 180 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 113 0 2 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 3.2 bash -
50 35 19 3.5 zsh -
12 8 4 28.0 bumpleak/osh mut
13 7 7 29.4 _bin/cxx-opt+bumproot/osh mut
16 12 4 29.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
20 19 0 25.2 osh-native mut+alloc
21 13 8 25.6 osh-native mut+alloc+free
25 21 4 18.0 osh-native mut+alloc+free+gc
25 21 4 18.1 osh-native mut+alloc+free+gc+exit
28 28 0 32.1 _bin/cxx-opt+nopool/osh mut+alloc
33 29 4 22.8 _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 -
54 50 4 3.5 bash -
221 128 106 3.6 zsh -
37 33 4 86.2 bumpleak/osh mut
45 37 7 84.9 _bin/cxx-opt+bumproot/osh mut
51 47 4 87.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
65 56 8 74.1 osh-native mut+alloc
73 64 8 75.9 osh-native mut+alloc+free
87 79 8 51.7 osh-native mut+alloc+free+gc
94 77 16 52.5 osh-native mut+alloc+free+gc+exit
92 72 20 98.9 _bin/cxx-opt+nopool/osh mut+alloc
146 122 24 69.3 _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 3.0 bash -
4 4 0 3.3 zsh -
4 4 0 10.8 bumpleak/osh mut
4 0 4 12.5 _bin/cxx-opt+bumproot/osh mut
5 5 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
5 0 5 10.0 osh-native mut+alloc
5 5 0 10.1 osh-native mut+alloc+free
6 6 0 8.6 osh-native mut+alloc+free+gc
6 6 0 8.7 osh-native mut+alloc+free+gc+exit
8 8 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
7 7 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 -
21 20 0 3.4 zsh -
15 11 4 34.2 bumpleak/osh mut
19 19 0 34.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 34.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
26 26 0 28.2 osh-native mut+alloc
29 29 0 28.7 osh-native mut+alloc+free
21 21 0 7.8 osh-native mut+alloc+free+gc
21 17 4 7.9 osh-native mut+alloc+free+gc+exit
39 30 9 38.7 _bin/cxx-opt+nopool/osh mut+alloc
29 29 0 9.3 _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 64 8 3.3 bash -
102 98 4 59.5 bumpleak/osh mut
109 89 20 59.2 _bin/cxx-opt+bumproot/osh mut
120 100 20 60.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
131 103 28 50.5 osh-native mut+alloc
139 87 52 52.5 osh-native mut+alloc+free
113 92 20 8.7 osh-native mut+alloc+free+gc
112 76 36 8.7 osh-native mut+alloc+free+gc+exit
145 84 60 67.9 _bin/cxx-opt+nopool/osh mut+alloc
130 93 36 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 1 3.7 dash -
12 8 5 4.6 bash -
10 9 1 3.6 zsh -
11 11 0 11.5 bumpleak/osh mut
13 8 5 13.0 _bin/cxx-opt+bumproot/osh mut
13 12 1 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
12 10 3 11.0 osh-native mut+alloc
13 7 6 11.2 osh-native mut+alloc+free
13 13 1 9.1 osh-native mut+alloc+free+gc
13 4 9 9.2 osh-native mut+alloc+free+gc+exit
16 15 0 12.3 _bin/cxx-opt+nopool/osh mut+alloc
16 15 1 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc