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 146 22 59 46.1 51.5 1,653,264 4,764 12 1,069,110 6 798,636 osh-native
parse.abuild 9 1 1 2.6 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 30 0 2 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 182 0 3 12.3 8.7 1,002,889 27,376 21 50,000 0 3,803 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,240 478 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 1.4 dash -
23 19 4 2.9 bash -
105 58 53 3.4 zsh -
16 6 10 29.8 bumpleak/osh mut
19 11 8 29.5 _bin/cxx-opt+bumproot/osh mut
22 15 7 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
31 23 8 25.2 osh-native mut+alloc
31 18 13 25.6 osh-native mut+alloc+free
35 23 12 17.7 osh-native mut+alloc+free+gc
36 28 8 18.0 osh-native mut+alloc+free+gc+exit
43 31 12 32.6 _bin/cxx-opt+nopool/osh mut+alloc
48 28 20 21.9 _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 17 4 1.6 dash -
77 73 4 3.3 bash -
377 207 192 3.4 zsh -
49 32 16 84.8 bumpleak/osh mut
59 47 12 85.7 _bin/cxx-opt+bumproot/osh mut
70 57 12 85.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 64 32 73.3 osh-native mut+alloc
105 70 35 75.1 osh-native mut+alloc+free
146 122 24 51.5 osh-native mut+alloc+free+gc
151 123 28 52.2 osh-native mut+alloc+free+gc+exit
138 109 28 99.3 _bin/cxx-opt+nopool/osh mut+alloc
212 183 28 72.9 _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 3.3 zsh -
6 6 0 12.2 bumpleak/osh mut
7 7 0 11.0 _bin/cxx-opt+bumproot/osh mut
8 0 8 12.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 10.0 osh-native mut+alloc
8 8 0 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 12 0 9.4 _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 10 0 1.4 dash -
29 29 0 2.9 bash -
24 24 0 3.3 zsh -
18 18 0 32.6 bumpleak/osh mut
25 25 0 33.2 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 38 0 26.5 osh-native mut+alloc+free
30 26 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
54 37 16 36.0 _bin/cxx-opt+nopool/osh mut+alloc
36 32 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 69 4 3.1 bash -
168 100 68 56.1 bumpleak/osh mut
180 124 56 58.0 _bin/cxx-opt+bumproot/osh mut
198 85 113 58.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 135 79 48.8 osh-native mut+alloc
221 133 89 50.7 osh-native mut+alloc+free
182 134 49 8.7 osh-native mut+alloc+free+gc
181 124 56 8.7 osh-native mut+alloc+free+gc+exit
231 151 80 64.5 _bin/cxx-opt+nopool/osh mut+alloc
212 140 72 10.2 _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 6 4 3.5 dash -
20 12 8 4.5 bash -
18 16 3 3.5 zsh -
19 17 2 11.2 bumpleak/osh mut
20 10 11 12.0 _bin/cxx-opt+bumproot/osh mut
23 12 11 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 11 11 10.6 osh-native mut+alloc
23 7 16 10.9 osh-native mut+alloc+free
22 19 4 8.9 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
28 22 7 12.5 _bin/cxx-opt+nopool/osh mut+alloc
26 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc