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 17.7 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 145 22 59 46.1 51.3 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.4 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 180 0 3 12.3 8.7 1,006,409 27,376 21 50,000 0 3,812 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,248 478 3 85,322 1 42,661 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 -
25 21 3 3.1 bash -
103 50 58 3.5 zsh -
17 13 3 28.5 bumpleak/osh mut
20 15 4 28.5 _bin/cxx-opt+bumproot/osh mut
22 18 4 28.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 25 4 25.0 osh-native mut+alloc
31 15 15 25.4 osh-native mut+alloc+free
35 30 4 17.7 osh-native mut+alloc+free+gc
35 26 9 18.1 osh-native mut+alloc+free+gc+exit
42 19 23 31.9 _bin/cxx-opt+nopool/osh mut+alloc
46 37 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 -
76 76 0 3.1 bash -
366 188 197 3.7 zsh -
49 34 15 84.7 bumpleak/osh mut
59 47 12 85.4 _bin/cxx-opt+bumproot/osh mut
70 54 15 85.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 56 40 73.5 osh-native mut+alloc
104 68 36 75.1 osh-native mut+alloc+free
145 121 24 51.3 osh-native mut+alloc+free+gc
149 116 32 52.0 osh-native mut+alloc+free+gc+exit
139 99 40 98.5 _bin/cxx-opt+nopool/osh mut+alloc
202 174 28 71.8 _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 1.4 dash -
6 6 0 2.9 bash -
8 4 4 3.1 zsh -
6 6 0 11.2 bumpleak/osh mut
6 3 3 11.1 _bin/cxx-opt+bumproot/osh mut
7 0 7 11.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 9 0 9.8 osh-native mut+alloc+free
9 0 9 8.4 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
11 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 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 -
28 28 0 3.0 bash -
23 19 4 3.4 zsh -
18 9 9 31.9 bumpleak/osh mut
25 17 8 31.3 _bin/cxx-opt+bumproot/osh mut
28 20 8 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 30 7 26.6 osh-native mut+alloc+free
28 28 0 7.9 osh-native mut+alloc+free+gc
28 20 8 7.9 osh-native mut+alloc+free+gc+exit
53 41 12 35.8 _bin/cxx-opt+nopool/osh mut+alloc
36 32 4 9.2 _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 74 0 3.0 bash -
167 103 64 56.7 bumpleak/osh mut
177 112 64 56.5 _bin/cxx-opt+bumproot/osh mut
188 112 76 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
212 120 92 49.0 osh-native mut+alloc
216 116 100 50.8 osh-native mut+alloc+free
180 143 37 8.7 osh-native mut+alloc+free+gc
185 120 64 8.7 osh-native mut+alloc+free+gc+exit
228 112 116 66.2 _bin/cxx-opt+nopool/osh mut+alloc
209 132 76 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 4 5 3.4 dash -
19 17 2 4.5 bash -
18 9 10 3.5 zsh -
18 11 7 11.3 bumpleak/osh mut
21 16 6 13.1 _bin/cxx-opt+bumproot/osh mut
22 13 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 15 6 10.7 osh-native mut+alloc
22 18 5 11.0 osh-native mut+alloc+free
22 20 2 8.7 osh-native mut+alloc+free+gc
21 12 10 8.8 osh-native mut+alloc+free+gc+exit
24 6 19 12.5 _bin/cxx-opt+nopool/osh mut+alloc
24 18 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc