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 39 4 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 177 28 86 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 1 2 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 183 0 4 10.3 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,289 478 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
7 6 0 1.4 dash -
23 23 0 3.1 bash -
104 60 51 3.3 zsh -
16 12 4 29.0 bumpleak/osh mut
20 16 4 29.7 _bin/cxx-opt+bumproot/osh mut
22 13 9 29.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
32 32 0 25.6 osh-native mut+alloc+free
39 31 8 18.0 osh-native mut+alloc+free+gc
38 30 7 18.0 osh-native mut+alloc+free+gc+exit
43 19 23 31.9 _bin/cxx-opt+nopool/osh mut+alloc
52 44 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
21 21 0 1.6 dash -
78 78 0 3.1 bash -
383 229 175 3.5 zsh -
49 45 4 85.2 bumpleak/osh mut
61 57 4 85.1 _bin/cxx-opt+bumproot/osh mut
70 70 0 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 66 33 73.3 osh-native mut+alloc
107 59 48 75.3 osh-native mut+alloc+free
177 145 32 51.6 osh-native mut+alloc+free+gc
172 152 20 52.1 osh-native mut+alloc+free+gc+exit
140 80 60 99.0 _bin/cxx-opt+nopool/osh mut+alloc
236 200 36 73.1 _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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 11.8 bumpleak/osh mut
8 4 4 11.7 _bin/cxx-opt+bumproot/osh mut
8 0 8 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 3 6 10.1 osh-native mut+alloc
9 6 3 10.1 osh-native mut+alloc+free
10 5 5 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 12 12 3.4 zsh -
19 15 4 31.0 bumpleak/osh mut
26 23 4 32.0 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 23 15 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
29 29 0 8.0 osh-native mut+alloc+free+gc+exit
54 23 31 35.8 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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
74 74 0 3.1 bash -
170 89 81 54.4 bumpleak/osh mut
179 119 60 54.4 _bin/cxx-opt+bumproot/osh mut
193 130 63 55.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
214 142 71 47.0 osh-native mut+alloc
217 162 55 48.7 osh-native mut+alloc+free
183 118 65 8.5 osh-native mut+alloc+free+gc
184 127 56 8.7 osh-native mut+alloc+free+gc+exit
233 141 92 64.5 _bin/cxx-opt+nopool/osh mut+alloc
210 149 61 10.1 _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 2 3.5 dash -
20 18 3 4.5 bash -
18 14 5 3.5 zsh -
20 12 9 12.7 bumpleak/osh mut
21 15 7 12.6 _bin/cxx-opt+bumproot/osh mut
20 12 9 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 7 10.9 osh-native mut+alloc
23 16 8 10.7 osh-native mut+alloc+free
23 13 11 8.9 osh-native mut+alloc+free+gc
24 12 13 8.9 osh-native mut+alloc+free+gc+exit
25 15 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
26 18 9 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc