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 41 6 14 12.0 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 174 29 84 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 10 1 2 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 2 2.6 8.0 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 182 0 4 10.6 8.8 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 24 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 1.4 dash -
23 19 4 2.8 bash -
112 69 49 3.4 zsh -
17 12 4 28.7 bumpleak/osh mut
20 16 4 29.6 _bin/cxx-opt+bumproot/osh mut
23 23 0 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 22 7 25.0 osh-native mut+alloc
32 16 16 25.4 osh-native mut+alloc+free
41 33 8 18.0 osh-native mut+alloc+free+gc
37 22 15 18.0 osh-native mut+alloc+free+gc+exit
44 28 16 32.8 _bin/cxx-opt+nopool/osh mut+alloc
53 34 19 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
22 21 0 1.6 dash -
78 74 4 3.1 bash -
387 213 195 3.4 zsh -
50 38 13 85.3 bumpleak/osh mut
60 36 24 86.1 _bin/cxx-opt+bumproot/osh mut
70 39 31 86.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 53 45 73.2 osh-native mut+alloc
106 71 35 75.3 osh-native mut+alloc+free
174 165 8 51.6 osh-native mut+alloc+free+gc
178 150 28 52.1 osh-native mut+alloc+free+gc+exit
141 96 44 98.7 _bin/cxx-opt+nopool/osh mut+alloc
239 203 36 72.4 _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 3.0 bash -
8 0 7 3.3 zsh -
6 3 3 11.9 bumpleak/osh mut
7 3 3 10.7 _bin/cxx-opt+bumproot/osh mut
8 8 0 12.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 4 4 10.0 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
10 10 0 8.5 osh-native mut+alloc+free+gc
10 5 5 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.3 _bin/cxx-opt+nopool/osh mut+alloc
13 8 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 11 0 1.6 dash -
29 29 0 3.0 bash -
24 16 8 3.3 zsh -
20 16 4 31.8 bumpleak/osh mut
26 22 4 32.2 _bin/cxx-opt+bumproot/osh mut
29 28 0 33.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 24 12 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
29 28 0 8.0 osh-native mut+alloc+free+gc
29 25 4 8.0 osh-native mut+alloc+free+gc+exit
55 42 13 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 70 4 3.1 bash -
167 111 56 54.1 bumpleak/osh mut
180 119 60 54.9 _bin/cxx-opt+bumproot/osh mut
195 127 67 55.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 164 48 46.9 osh-native mut+alloc
220 148 72 48.8 osh-native mut+alloc+free
182 113 69 8.8 osh-native mut+alloc+free+gc
184 143 40 8.8 osh-native mut+alloc+free+gc+exit
233 156 76 64.0 _bin/cxx-opt+nopool/osh mut+alloc
210 145 65 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 9 1 3.5 dash -
20 11 10 4.3 bash -
18 6 13 3.5 zsh -
20 8 12 11.3 bumpleak/osh mut
22 13 9 12.7 _bin/cxx-opt+bumproot/osh mut
23 10 14 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 14 8 10.7 osh-native mut+alloc
24 12 13 11.1 osh-native mut+alloc+free
24 19 6 9.0 osh-native mut+alloc+free+gc
24 22 2 8.8 osh-native mut+alloc+free+gc+exit
27 14 14 12.7 _bin/cxx-opt+nopool/osh mut+alloc
28 18 10 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc