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 17.8 476,682 1,282 6 408,752 5 204,376 osh-native
parse.configure-coreutils 147 22 60 46.1 51.6 1,653,270 4,764 12 1,069,118 6 798,640 osh-native
parse.abuild 9 1 1 2.6 8.4 101,873 180 2 75,094 1 37,547 osh-native
ex.compute-fib 28 0 1 2.6 8.0 584,138 31,810 12 50,000 0 2,824 osh-native
ex.bashcomp-parse-help 179 0 3 10.6 8.7 995,215 27,376 21 50,000 0 3,819 osh-native
ex.abuild-print-help 23 1 2 2.8 8.9 116,282 478 3 85,330 1 42,665 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 23 0 3.1 bash -
104 47 64 3.4 zsh -
16 8 8 29.6 bumpleak/osh mut
19 8 11 29.4 _bin/cxx-opt+bumproot/osh mut
22 15 7 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 17 13 25.2 osh-native mut+alloc
32 16 16 25.6 osh-native mut+alloc+free
36 32 4 17.8 osh-native mut+alloc+free+gc
36 32 4 17.7 osh-native mut+alloc+free+gc+exit
43 31 12 32.7 _bin/cxx-opt+nopool/osh mut+alloc
49 41 8 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 78 0 3.3 bash -
373 184 210 3.5 zsh -
49 34 15 84.6 bumpleak/osh mut
59 48 12 86.0 _bin/cxx-opt+bumproot/osh mut
70 53 16 85.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 57 40 73.4 osh-native mut+alloc
105 70 35 75.0 osh-native mut+alloc+free
147 127 20 51.6 osh-native mut+alloc+free+gc
152 135 16 52.1 osh-native mut+alloc+free+gc+exit
139 68 72 99.2 _bin/cxx-opt+nopool/osh mut+alloc
210 189 20 74.1 _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 0 7 3.4 zsh -
6 6 0 10.2 bumpleak/osh mut
7 3 3 11.6 _bin/cxx-opt+bumproot/osh mut
7 0 7 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 3 5 10.0 osh-native mut+alloc
8 8 0 10.1 osh-native mut+alloc+free
9 4 4 8.4 osh-native mut+alloc+free+gc
9 9 0 8.7 osh-native mut+alloc+free+gc+exit
12 12 0 11.3 _bin/cxx-opt+nopool/osh mut+alloc
12 8 4 9.5 _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 1.4 dash -
28 28 0 2.8 bash -
23 19 4 3.4 zsh -
20 16 4 32.0 bumpleak/osh mut
26 21 4 32.9 _bin/cxx-opt+bumproot/osh mut
30 26 4 31.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 18 18 26.3 osh-native mut+alloc
38 33 4 26.7 osh-native mut+alloc+free
28 24 4 8.0 osh-native mut+alloc+free+gc
29 29 0 7.9 osh-native mut+alloc+free+gc+exit
54 39 15 36.3 _bin/cxx-opt+nopool/osh mut+alloc
37 33 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 58 16 3.0 bash -
168 100 68 53.6 bumpleak/osh mut
179 143 36 56.2 _bin/cxx-opt+bumproot/osh mut
192 112 80 56.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
209 134 75 47.1 osh-native mut+alloc
214 141 73 48.9 osh-native mut+alloc+free
179 123 56 8.7 osh-native mut+alloc+free+gc
180 104 76 8.7 osh-native mut+alloc+free+gc+exit
232 148 84 64.0 _bin/cxx-opt+nopool/osh mut+alloc
206 145 60 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 10 0 3.4 dash -
20 6 14 4.3 bash -
18 6 13 3.5 zsh -
19 7 12 11.8 bumpleak/osh mut
22 15 7 13.3 _bin/cxx-opt+bumproot/osh mut
21 6 16 12.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 21 2 10.9 osh-native mut+alloc
23 12 11 10.9 osh-native mut+alloc+free
23 16 8 8.9 osh-native mut+alloc+free+gc
23 11 12 8.7 osh-native mut+alloc+free+gc+exit
25 20 6 12.3 _bin/cxx-opt+nopool/osh mut+alloc
25 15 11 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc