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 10 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 147 23 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 27 0 2 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 178 0 3 10.3 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 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 3.1 bash -
103 58 52 3.4 zsh -
16 16 0 29.0 bumpleak/osh mut
19 18 0 29.4 _bin/cxx-opt+bumproot/osh mut
22 7 15 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 20 8 25.2 osh-native mut+alloc
31 22 9 25.7 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
42 23 19 32.5 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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 -
78 74 4 3.1 bash -
376 220 178 3.5 zsh -
47 31 16 85.5 bumpleak/osh mut
58 58 0 85.7 _bin/cxx-opt+bumproot/osh mut
69 53 15 86.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 72 24 73.3 osh-native mut+alloc
104 64 40 75.2 osh-native mut+alloc+free
147 131 16 51.6 osh-native mut+alloc+free+gc
154 130 24 52.2 osh-native mut+alloc+free+gc+exit
139 91 48 98.6 _bin/cxx-opt+nopool/osh mut+alloc
208 175 32 71.4 _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 8 0 3.3 zsh -
6 6 0 11.3 bumpleak/osh mut
7 0 7 11.6 _bin/cxx-opt+bumproot/osh mut
7 7 0 12.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 4 4 10.0 osh-native mut+alloc+free
9 9 0 8.5 osh-native mut+alloc+free+gc
9 3 6 8.5 osh-native mut+alloc+free+gc+exit
11 6 6 11.5 _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
10 10 0 1.6 dash -
29 25 4 2.9 bash -
24 16 8 3.1 zsh -
19 7 11 30.9 bumpleak/osh mut
26 19 7 32.8 _bin/cxx-opt+bumproot/osh mut
27 23 5 32.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.2 osh-native mut+alloc
37 19 19 26.3 osh-native mut+alloc+free
27 23 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
53 32 20 36.0 _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
73 68 4 3.1 bash -
168 128 40 54.5 bumpleak/osh mut
178 117 61 56.2 _bin/cxx-opt+bumproot/osh mut
194 115 79 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 137 72 47.0 osh-native mut+alloc
216 136 80 48.7 osh-native mut+alloc+free
178 122 55 8.5 osh-native mut+alloc+free+gc
184 116 68 8.8 osh-native mut+alloc+free+gc+exit
233 132 100 62.4 _bin/cxx-opt+nopool/osh mut+alloc
210 153 56 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 3.5 dash -
20 15 5 4.5 bash -
17 11 6 3.5 zsh -
19 10 9 12.2 bumpleak/osh mut
19 15 5 12.1 _bin/cxx-opt+bumproot/osh mut
21 12 10 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 14 10.7 osh-native mut+alloc
22 16 6 10.6 osh-native mut+alloc+free
22 13 9 9.0 osh-native mut+alloc+free+gc
23 16 7 8.9 osh-native mut+alloc+free+gc+exit
25 17 8 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 16 9 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc