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 18.0 476,698 1,282 6 408,770 5 204,385 osh-native
parse.configure-coreutils 163 26 76 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 8.3 101,889 180 2 75,112 1 37,556 osh-native
ex.compute-fib 28 0 1 2.4 7.7 584,154 31,810 12 50,000 0 2,832 osh-native
ex.bashcomp-parse-help 179 0 3 10.3 8.5 995,231 27,376 21 50,000 0 3,823 osh-native
ex.abuild-print-help 22 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 3.1 bash -
104 68 43 3.3 zsh -
17 12 4 29.5 bumpleak/osh mut
21 21 0 28.3 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
32 20 12 25.7 osh-native mut+alloc+free
36 28 8 18.0 osh-native mut+alloc+free+gc
37 26 11 17.8 osh-native mut+alloc+free+gc+exit
43 24 20 32.6 _bin/cxx-opt+nopool/osh mut+alloc
52 39 12 22.2 _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 18 4 1.6 dash -
77 77 0 3.0 bash -
377 204 195 3.4 zsh -
50 38 11 85.4 bumpleak/osh mut
61 53 8 84.4 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.6 osh-native mut+alloc
107 82 25 75.4 osh-native mut+alloc+free
163 143 20 49.9 osh-native mut+alloc+free+gc
156 136 20 50.6 osh-native mut+alloc+free+gc+exit
139 91 48 99.1 _bin/cxx-opt+nopool/osh mut+alloc
234 186 47 67.7 _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 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 10.7 bumpleak/osh mut
7 3 3 11.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 9 0 8.3 osh-native mut+alloc+free+gc
9 6 3 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 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 2.9 bash -
24 20 4 3.3 zsh -
20 16 4 32.1 bumpleak/osh mut
26 22 4 32.5 _bin/cxx-opt+bumproot/osh mut
29 25 4 31.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 36 0 26.3 osh-native mut+alloc
38 19 19 26.5 osh-native mut+alloc+free
28 23 4 7.7 osh-native mut+alloc+free+gc
28 24 4 7.7 osh-native mut+alloc+free+gc+exit
54 27 27 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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 65 8 3.1 bash -
170 115 55 55.8 bumpleak/osh mut
178 113 64 55.5 _bin/cxx-opt+bumproot/osh mut
193 109 84 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
208 128 80 46.9 osh-native mut+alloc
216 136 80 48.7 osh-native mut+alloc+free
179 130 49 8.5 osh-native mut+alloc+free+gc
179 99 80 8.7 osh-native mut+alloc+free+gc+exit
232 112 120 62.3 _bin/cxx-opt+nopool/osh mut+alloc
207 162 45 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 7 3 3.4 dash -
20 11 10 4.5 bash -
18 9 9 3.4 zsh -
19 14 6 12.5 bumpleak/osh mut
19 13 6 11.9 _bin/cxx-opt+bumproot/osh mut
20 15 6 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 11.0 osh-native mut+alloc
22 17 6 11.0 osh-native mut+alloc+free
22 14 9 9.0 osh-native mut+alloc+free+gc
23 18 6 8.8 osh-native mut+alloc+free+gc+exit
25 12 14 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 13 13 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc