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 18.0 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 145 23 59 46.1 51.4 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 183 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 8.8 116,240 478 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 3 3 1.4 dash -
23 23 0 3.1 bash -
104 65 45 3.4 zsh -
16 8 8 28.5 bumpleak/osh mut
19 15 4 30.0 _bin/cxx-opt+bumproot/osh mut
28 16 12 28.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 16 12 25.0 osh-native mut+alloc
31 18 13 25.4 osh-native mut+alloc+free
35 19 15 18.0 osh-native mut+alloc+free+gc
35 35 0 17.8 osh-native mut+alloc+free+gc+exit
43 27 15 32.9 _bin/cxx-opt+nopool/osh mut+alloc
48 43 4 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
21 17 4 1.6 dash -
78 78 0 3.3 bash -
375 207 189 3.5 zsh -
49 41 8 83.8 bumpleak/osh mut
60 56 4 85.5 _bin/cxx-opt+bumproot/osh mut
71 59 12 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
105 65 40 75.3 osh-native mut+alloc+free
145 109 36 51.4 osh-native mut+alloc+free+gc
150 125 24 52.1 osh-native mut+alloc+free+gc+exit
138 90 47 98.8 _bin/cxx-opt+nopool/osh mut+alloc
206 170 36 72.2 _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 3 3 11.7 bumpleak/osh mut
7 7 0 12.4 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 8 0 9.8 osh-native mut+alloc
9 8 0 10.0 osh-native mut+alloc+free
9 9 0 8.4 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.3 _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 1.4 dash -
28 28 0 2.8 bash -
24 16 8 3.3 zsh -
20 8 12 32.3 bumpleak/osh mut
26 19 7 32.9 _bin/cxx-opt+bumproot/osh mut
28 24 4 31.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 24 12 26.2 osh-native mut+alloc
40 28 12 26.5 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 35 19 36.0 _bin/cxx-opt+nopool/osh mut+alloc
38 38 0 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
72 72 0 3.1 bash -
168 116 52 56.4 bumpleak/osh mut
178 123 55 57.1 _bin/cxx-opt+bumproot/osh mut
195 122 73 58.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 128 84 48.9 osh-native mut+alloc
218 161 56 50.9 osh-native mut+alloc+free
183 151 32 8.7 osh-native mut+alloc+free+gc
182 141 40 8.7 osh-native mut+alloc+free+gc+exit
232 132 100 65.0 _bin/cxx-opt+nopool/osh mut+alloc
210 154 55 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 6 4 3.4 dash -
19 11 9 4.3 bash -
17 12 6 3.5 zsh -
19 7 12 12.1 bumpleak/osh mut
19 6 13 13.6 _bin/cxx-opt+bumproot/osh mut
20 12 8 12.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 20 2 10.7 osh-native mut+alloc
22 17 5 11.1 osh-native mut+alloc+free
22 16 7 8.8 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
24 6 19 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 22 3 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc