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 18.0 476,685 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 151 24 62 46.1 51.6 1,653,273 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,876 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,141 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.5 995,218 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,285 478 3 85,334 1 42,667 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 7 0 1.6 dash -
23 23 0 3.0 bash -
105 69 43 3.3 zsh -
17 12 4 29.7 bumpleak/osh mut
19 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 18 11 25.2 osh-native mut+alloc
31 16 16 25.4 osh-native mut+alloc+free
35 26 9 18.0 osh-native mut+alloc+free+gc
36 35 0 17.8 osh-native mut+alloc+free+gc+exit
43 21 21 33.1 _bin/cxx-opt+nopool/osh mut+alloc
48 36 12 22.0 _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 1.6 dash -
77 73 4 3.3 bash -
375 216 180 3.4 zsh -
50 42 8 85.1 bumpleak/osh mut
60 56 4 85.1 _bin/cxx-opt+bumproot/osh mut
71 31 39 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 77 20 73.4 osh-native mut+alloc
105 65 40 75.1 osh-native mut+alloc+free
151 143 8 51.6 osh-native mut+alloc+free+gc
154 138 16 52.1 osh-native mut+alloc+free+gc+exit
140 100 40 98.9 _bin/cxx-opt+nopool/osh mut+alloc
212 192 20 73.3 _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
2 2 0 1.4 dash -
6 3 3 3.0 bash -
8 0 7 3.3 zsh -
6 6 0 10.5 bumpleak/osh mut
7 3 3 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
9 3 6 10.0 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 5 5 8.7 osh-native mut+alloc+free+gc+exit
11 6 6 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 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
10 10 0 1.6 dash -
29 25 4 3.0 bash -
24 23 0 3.3 zsh -
19 12 8 32.5 bumpleak/osh mut
25 21 4 33.3 _bin/cxx-opt+bumproot/osh mut
28 27 0 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.3 osh-native mut+alloc
38 29 8 26.6 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.9 _bin/cxx-opt+nopool/osh mut+alloc
36 36 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
74 74 0 3.0 bash -
167 97 69 55.6 bumpleak/osh mut
180 116 64 56.1 _bin/cxx-opt+bumproot/osh mut
193 112 80 55.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 117 93 47.1 osh-native mut+alloc
216 160 56 48.9 osh-native mut+alloc+free
179 135 44 8.5 osh-native mut+alloc+free+gc
180 128 52 8.7 osh-native mut+alloc+free+gc+exit
230 133 97 64.2 _bin/cxx-opt+nopool/osh mut+alloc
205 153 52 10.2 _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 9 1 3.3 dash -
20 11 9 4.3 bash -
18 16 2 3.5 zsh -
19 8 12 11.9 bumpleak/osh mut
20 17 4 12.5 _bin/cxx-opt+bumproot/osh mut
22 7 15 13.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 9 13 10.7 osh-native mut+alloc
23 17 6 11.1 osh-native mut+alloc+free
22 16 6 8.8 osh-native mut+alloc+free+gc
23 15 8 8.9 osh-native mut+alloc+free+gc+exit
25 15 10 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 8 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc