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 18.1 476,676 1,282 6 408,744 5 204,372 osh-native
parse.configure-coreutils 148 23 60 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 8.5 101,867 180 2 75,086 1 37,543 osh-native
ex.compute-fib 27 0 1 2.6 7.9 584,132 31,810 12 50,000 0 2,819 osh-native
ex.bashcomp-parse-help 179 0 3 10.2 8.5 982,889 27,376 21 50,000 0 3,805 osh-native
ex.abuild-print-help 22 1 2 2.8 8.8 116,248 478 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 -
23 23 0 3.0 bash -
104 52 58 3.4 zsh -
16 8 8 29.6 bumpleak/osh mut
22 18 4 30.1 _bin/cxx-opt+bumproot/osh mut
22 22 0 30.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 11 18 25.2 osh-native mut+alloc
32 28 4 25.6 osh-native mut+alloc+free
36 28 8 18.1 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
43 27 16 32.9 _bin/cxx-opt+nopool/osh mut+alloc
49 32 16 21.8 _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 1.4 dash -
79 75 4 3.3 bash -
376 224 175 3.4 zsh -
48 40 8 84.2 bumpleak/osh mut
60 56 4 85.4 _bin/cxx-opt+bumproot/osh mut
69 57 11 85.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
97 73 24 73.4 osh-native mut+alloc
106 83 24 75.3 osh-native mut+alloc+free
148 128 20 51.4 osh-native mut+alloc+free+gc
160 143 16 52.2 osh-native mut+alloc+free+gc+exit
138 83 55 98.2 _bin/cxx-opt+nopool/osh mut+alloc
211 178 32 73.0 _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 1.3 dash -
6 3 3 2.9 bash -
8 8 0 3.1 zsh -
6 0 6 11.6 bumpleak/osh mut
6 6 0 10.9 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 10.0 osh-native mut+alloc
9 4 4 10.1 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 9 0 8.5 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 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 10 0 1.4 dash -
28 28 0 3.0 bash -
24 12 12 3.4 zsh -
19 18 0 31.0 bumpleak/osh mut
25 21 4 31.8 _bin/cxx-opt+bumproot/osh mut
28 24 4 33.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 28 8 26.3 osh-native mut+alloc
38 38 0 26.6 osh-native mut+alloc+free
27 27 0 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
53 45 8 36.0 _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
75 71 4 3.1 bash -
168 100 68 53.4 bumpleak/osh mut
179 103 76 55.2 _bin/cxx-opt+bumproot/osh mut
192 108 84 54.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
207 123 83 46.3 osh-native mut+alloc
216 152 64 48.1 osh-native mut+alloc+free
179 130 49 8.5 osh-native mut+alloc+free+gc
178 107 71 8.4 osh-native mut+alloc+free+gc+exit
230 161 68 63.8 _bin/cxx-opt+nopool/osh mut+alloc
209 149 60 9.9 _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 -
19 6 14 4.5 bash -
17 9 9 3.5 zsh -
20 12 8 12.9 bumpleak/osh mut
19 18 2 11.5 _bin/cxx-opt+bumproot/osh mut
22 14 9 13.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 11 11.0 osh-native mut+alloc
22 15 8 10.9 osh-native mut+alloc+free
22 10 13 8.8 osh-native mut+alloc+free+gc
23 22 1 8.8 osh-native mut+alloc+free+gc+exit
25 17 8 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 18 7 9.8 _bin/cxx-opt+nopool/osh mut+alloc+free+gc