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 17.8 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 147 26 60 44.6 49.9 1,653,286 4,764 12 1,030,654 6 769,411 osh-native
parse.abuild 9 1 1 2.6 8.5 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 1 2.4 8.0 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 182 0 3 10.3 8.8 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 24 1 2 2.8 9.0 116,298 478 3 85,348 1 42,674 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 61 50 3.4 zsh -
17 17 0 28.3 bumpleak/osh mut
19 19 0 28.9 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
35 26 9 17.8 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.0 _bin/cxx-opt+nopool/osh mut+alloc
47 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
21 21 0 1.6 dash -
79 75 4 3.1 bash -
375 209 188 3.5 zsh -
49 37 11 84.4 bumpleak/osh mut
59 55 4 85.5 _bin/cxx-opt+bumproot/osh mut
70 33 37 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 77 20 73.4 osh-native mut+alloc
106 73 33 75.3 osh-native mut+alloc+free
147 115 32 49.9 osh-native mut+alloc+free+gc
161 141 20 50.6 osh-native mut+alloc+free+gc+exit
137 101 36 99.4 _bin/cxx-opt+nopool/osh mut+alloc
201 169 32 67.6 _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 1.3 dash -
6 6 0 2.9 bash -
8 4 4 3.3 zsh -
6 6 0 11.4 bumpleak/osh mut
7 7 0 12.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 9 0 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
11 11 0 9.6 _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 28 0 2.8 bash -
23 12 12 3.3 zsh -
19 18 0 31.0 bumpleak/osh mut
25 21 4 31.6 _bin/cxx-opt+bumproot/osh mut
29 25 4 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 32 4 26.2 osh-native mut+alloc
37 30 7 26.5 osh-native mut+alloc+free
28 28 0 8.0 osh-native mut+alloc+free+gc
28 16 12 7.9 osh-native mut+alloc+free+gc+exit
54 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
38 33 4 9.3 _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 -
168 124 44 54.9 bumpleak/osh mut
179 123 56 55.6 _bin/cxx-opt+bumproot/osh mut
192 112 80 56.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 143 67 47.0 osh-native mut+alloc
216 153 63 48.6 osh-native mut+alloc+free
182 123 59 8.8 osh-native mut+alloc+free+gc
180 128 52 8.5 osh-native mut+alloc+free+gc+exit
232 132 100 63.7 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 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 8 1 3.4 dash -
20 17 3 4.5 bash -
17 11 7 3.5 zsh -
18 10 8 11.4 bumpleak/osh mut
19 16 3 13.6 _bin/cxx-opt+bumproot/osh mut
20 16 4 13.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 11.0 osh-native mut+alloc
22 14 9 11.1 osh-native mut+alloc+free
24 12 12 9.0 osh-native mut+alloc+free+gc
22 16 8 8.9 osh-native mut+alloc+free+gc+exit
24 19 6 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 12 13 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc