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 17.6 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 148 23 61 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.4 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 3 10.6 8.7 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,289 478 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
6 6 0 1.6 dash -
24 19 4 3.0 bash -
104 42 68 3.4 zsh -
16 16 0 29.4 bumpleak/osh mut
20 12 8 28.6 _bin/cxx-opt+bumproot/osh mut
22 7 15 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 15 15 25.2 osh-native mut+alloc
31 23 8 25.3 osh-native mut+alloc+free
35 31 4 17.6 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 27 16 32.7 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 22.1 _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
22 22 0 1.6 dash -
78 74 4 3.1 bash -
380 201 198 3.4 zsh -
48 48 0 85.8 bumpleak/osh mut
60 48 12 86.4 _bin/cxx-opt+bumproot/osh mut
69 57 12 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 55 43 73.5 osh-native mut+alloc
107 95 12 75.0 osh-native mut+alloc+free
148 124 24 51.6 osh-native mut+alloc+free+gc
158 114 43 52.0 osh-native mut+alloc+free+gc+exit
139 102 37 98.1 _bin/cxx-opt+nopool/osh mut+alloc
210 170 40 71.1 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 5 0 10.1 bumpleak/osh mut
7 6 0 12.7 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.0 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 3 6 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.6 _bin/cxx-opt+nopool/osh mut+alloc
11 11 0 9.3 _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 28 0 2.8 bash -
23 19 5 3.4 zsh -
19 18 0 31.4 bumpleak/osh mut
26 21 4 32.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.5 osh-native mut+alloc
38 29 8 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 50 4 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 37 0 9.5 _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 73 0 2.9 bash -
167 115 52 54.5 bumpleak/osh mut
181 86 94 54.8 _bin/cxx-opt+bumproot/osh mut
195 155 40 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 149 60 47.0 osh-native mut+alloc
216 132 84 48.9 osh-native mut+alloc+free
182 125 57 8.7 osh-native mut+alloc+free+gc
181 120 60 8.8 osh-native mut+alloc+free+gc+exit
233 161 72 62.3 _bin/cxx-opt+nopool/osh mut+alloc
207 154 53 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
9 4 5 3.4 dash -
19 13 7 4.3 bash -
18 9 9 3.4 zsh -
19 16 3 11.5 bumpleak/osh mut
20 16 4 11.9 _bin/cxx-opt+bumproot/osh mut
22 15 8 13.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 5 10.9 osh-native mut+alloc
22 15 8 10.7 osh-native mut+alloc+free
22 14 9 8.8 osh-native mut+alloc+free+gc
23 15 9 9.0 osh-native mut+alloc+free+gc+exit
25 20 5 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 17 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc