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 36 4 10 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 149 24 62 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 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 28 0 1 2.6 7.7 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 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 8.9 116,289 478 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
104 63 47 3.3 zsh -
16 12 4 27.8 bumpleak/osh mut
20 19 0 29.9 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 22 7 25.2 osh-native mut+alloc
31 19 11 25.4 osh-native mut+alloc+free
36 28 8 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
44 36 8 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 39 8 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
22 21 0 1.6 dash -
77 77 0 3.1 bash -
376 228 167 3.5 zsh -
49 37 11 86.0 bumpleak/osh mut
60 60 0 85.9 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 69 28 73.3 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
149 133 16 51.6 osh-native mut+alloc+free+gc
153 137 16 52.1 osh-native mut+alloc+free+gc+exit
140 104 36 99.0 _bin/cxx-opt+nopool/osh mut+alloc
212 195 16 74.1 _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 0 2 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 3 3 11.1 bumpleak/osh mut
7 7 0 12.2 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.0 osh-native mut+alloc
8 0 8 10.0 osh-native mut+alloc+free
9 0 9 8.5 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _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
11 11 0 1.4 dash -
29 29 0 3.0 bash -
24 23 0 3.3 zsh -
19 15 4 31.0 bumpleak/osh mut
26 26 0 33.2 _bin/cxx-opt+bumproot/osh mut
28 20 8 32.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.3 osh-native mut+alloc
38 26 11 26.6 osh-native mut+alloc+free
28 28 0 7.7 osh-native mut+alloc+free+gc
28 27 0 7.7 osh-native mut+alloc+free+gc+exit
54 27 27 35.7 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 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 66 8 3.1 bash -
168 131 36 55.3 bumpleak/osh mut
180 128 52 55.0 _bin/cxx-opt+bumproot/osh mut
193 120 72 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 145 64 46.9 osh-native mut+alloc
215 127 88 48.9 osh-native mut+alloc+free
180 140 40 8.7 osh-native mut+alloc+free+gc
182 141 40 8.8 osh-native mut+alloc+free+gc+exit
232 148 84 64.0 _bin/cxx-opt+nopool/osh mut+alloc
207 159 48 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 5 6 3.4 dash -
19 7 13 4.3 bash -
18 16 3 3.5 zsh -
18 13 5 12.9 bumpleak/osh mut
21 8 13 13.3 _bin/cxx-opt+bumproot/osh mut
20 14 7 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 7 11.0 osh-native mut+alloc
23 11 12 11.0 osh-native mut+alloc+free
22 10 12 8.9 osh-native mut+alloc+free+gc
23 16 7 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 16 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc