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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 145 23 58 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 181 0 3 10.6 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 24 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 23 0 3.1 bash -
104 65 45 3.3 zsh -
16 8 8 28.2 bumpleak/osh mut
19 12 8 28.3 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 29 0 25.2 osh-native mut+alloc
31 31 0 25.6 osh-native mut+alloc+free
35 27 8 18.0 osh-native mut+alloc+free+gc
36 31 4 18.1 osh-native mut+alloc+free+gc+exit
44 35 8 32.1 _bin/cxx-opt+nopool/osh mut+alloc
46 33 12 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 -
77 77 0 3.1 bash -
375 201 195 3.7 zsh -
49 33 16 85.2 bumpleak/osh mut
59 55 4 86.2 _bin/cxx-opt+bumproot/osh mut
69 46 23 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.4 osh-native mut+alloc
105 77 28 75.3 osh-native mut+alloc+free
145 133 12 51.6 osh-native mut+alloc+free+gc
152 132 20 52.1 osh-native mut+alloc+free+gc+exit
140 112 28 97.6 _bin/cxx-opt+nopool/osh mut+alloc
209 165 44 74.4 _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 3.4 zsh -
6 6 0 10.3 bumpleak/osh mut
7 7 0 10.8 _bin/cxx-opt+bumproot/osh mut
7 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 9.8 osh-native mut+alloc
8 0 8 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 7 4 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 7 4 1.4 dash -
28 24 4 3.0 bash -
24 12 12 3.3 zsh -
19 16 4 32.7 bumpleak/osh mut
25 25 0 31.9 _bin/cxx-opt+bumproot/osh mut
28 28 0 33.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.5 osh-native mut+alloc
38 25 12 26.7 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 33 21 35.8 _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 3.0 bash -
167 100 68 55.7 bumpleak/osh mut
178 138 39 55.5 _bin/cxx-opt+bumproot/osh mut
193 130 63 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 153 56 46.9 osh-native mut+alloc
217 128 88 48.8 osh-native mut+alloc+free
181 100 80 8.5 osh-native mut+alloc+free+gc
182 135 48 8.8 osh-native mut+alloc+free+gc+exit
232 140 92 64.2 _bin/cxx-opt+nopool/osh mut+alloc
208 148 60 10.0 _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 3.4 dash -
19 17 3 4.5 bash -
18 18 0 3.4 zsh -
18 13 5 11.3 bumpleak/osh mut
19 12 8 13.7 _bin/cxx-opt+bumproot/osh mut
20 11 10 13.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 17 4 11.0 osh-native mut+alloc
23 10 13 10.9 osh-native mut+alloc+free
24 11 14 8.8 osh-native mut+alloc+free+gc
23 19 5 9.0 osh-native mut+alloc+free+gc+exit
25 14 11 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc