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 9 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 163 26 74 46.1 51.4 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 2.7 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 181 0 4 10.6 8.7 995,222 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
6 6 0 1.6 dash -
23 23 0 3.0 bash -
105 66 46 3.4 zsh -
17 10 7 29.5 bumpleak/osh mut
20 4 16 28.8 _bin/cxx-opt+bumproot/osh mut
22 19 4 29.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 9 21 25.0 osh-native mut+alloc
32 32 0 25.6 osh-native mut+alloc+free
36 20 16 17.7 osh-native mut+alloc+free+gc
37 32 4 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.4 _bin/cxx-opt+nopool/osh mut+alloc
49 45 4 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 21 0 1.6 dash -
77 77 0 3.3 bash -
381 191 210 3.5 zsh -
49 41 8 85.7 bumpleak/osh mut
60 51 8 86.0 _bin/cxx-opt+bumproot/osh mut
70 66 4 85.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 51 47 73.5 osh-native mut+alloc
108 56 52 75.3 osh-native mut+alloc+free
163 139 24 51.4 osh-native mut+alloc+free+gc
178 141 36 52.1 osh-native mut+alloc+free+gc+exit
140 96 44 98.6 _bin/cxx-opt+nopool/osh mut+alloc
226 205 20 73.9 _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 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 10.3 bumpleak/osh mut
7 0 7 11.2 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
10 10 0 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.5 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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 29 0 3.0 bash -
24 12 12 3.3 zsh -
20 0 20 32.5 bumpleak/osh mut
27 19 7 33.0 _bin/cxx-opt+bumproot/osh mut
29 14 14 32.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 25 12 26.6 osh-native mut+alloc
39 23 15 26.7 osh-native mut+alloc+free
28 18 11 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
55 43 12 36.4 _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
72 64 8 3.0 bash -
167 115 52 54.1 bumpleak/osh mut
180 124 56 55.5 _bin/cxx-opt+bumproot/osh mut
194 137 56 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 148 64 47.0 osh-native mut+alloc
219 143 76 49.0 osh-native mut+alloc+free
181 125 56 8.7 osh-native mut+alloc+free+gc
182 118 63 8.8 osh-native mut+alloc+free+gc+exit
234 139 95 62.6 _bin/cxx-opt+nopool/osh mut+alloc
209 138 71 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 8 2 3.4 dash -
20 19 2 4.5 bash -
18 12 6 3.4 zsh -
19 11 8 11.5 bumpleak/osh mut
20 11 9 13.7 _bin/cxx-opt+bumproot/osh mut
21 17 4 12.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 15 8 10.7 osh-native mut+alloc
24 14 10 11.0 osh-native mut+alloc+free
23 16 8 8.9 osh-native mut+alloc+free+gc
24 11 13 8.7 osh-native mut+alloc+free+gc+exit
25 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
26 25 2 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc