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 37 4 10 12.0 17.7 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 151 24 65 46.1 51.6 1,653,277 4,764 12 1,069,122 6 798,642 osh-native
parse.abuild 9 1 1 2.6 8.5 101,880 180 2 75,098 1 37,549 osh-native
ex.compute-fib 29 0 2 2.4 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 186 0 4 10.3 8.5 995,222 27,376 21 50,000 0 3,821 osh-native
ex.abuild-print-help 22 1 2 2.8 9.0 116,289 478 3 85,334 1 42,667 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 72 38 3.4 zsh -
16 16 0 28.9 bumpleak/osh mut
21 14 7 28.1 _bin/cxx-opt+bumproot/osh mut
23 22 0 28.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
32 12 19 25.6 osh-native mut+alloc+free
37 29 8 17.7 osh-native mut+alloc+free+gc
37 33 4 18.0 osh-native mut+alloc+free+gc+exit
43 35 8 32.5 _bin/cxx-opt+nopool/osh mut+alloc
51 39 12 22.0 _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 1.6 dash -
78 78 0 3.0 bash -
378 215 183 3.5 zsh -
49 49 0 85.4 bumpleak/osh mut
61 56 4 84.6 _bin/cxx-opt+bumproot/osh mut
70 50 19 86.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 64 32 73.4 osh-native mut+alloc
104 80 24 75.3 osh-native mut+alloc+free
151 123 28 51.6 osh-native mut+alloc+free+gc
162 133 28 52.0 osh-native mut+alloc+free+gc+exit
138 105 32 98.0 _bin/cxx-opt+nopool/osh mut+alloc
221 205 16 71.7 _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 3.0 bash -
8 4 4 3.3 zsh -
6 3 3 11.1 bumpleak/osh mut
7 7 0 10.9 _bin/cxx-opt+bumproot/osh mut
8 4 4 11.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 4 4 10.1 osh-native mut+alloc
9 9 0 10.0 osh-native mut+alloc+free
9 5 5 8.5 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _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
11 11 0 1.6 dash -
29 29 0 2.9 bash -
24 19 4 3.4 zsh -
19 15 4 31.9 bumpleak/osh mut
26 26 0 31.8 _bin/cxx-opt+bumproot/osh mut
29 28 0 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 34 4 26.5 osh-native mut+alloc+free
29 28 0 7.9 osh-native mut+alloc+free+gc
29 28 0 8.0 osh-native mut+alloc+free+gc+exit
54 46 8 36.2 _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
73 69 4 3.1 bash -
167 123 44 54.2 bumpleak/osh mut
180 120 60 56.2 _bin/cxx-opt+bumproot/osh mut
195 131 63 56.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 131 80 46.9 osh-native mut+alloc
219 135 83 48.7 osh-native mut+alloc+free
186 130 55 8.5 osh-native mut+alloc+free+gc
185 116 68 8.7 osh-native mut+alloc+free+gc+exit
233 153 80 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 128 80 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 8 2 3.4 dash -
20 17 3 4.3 bash -
18 14 5 3.4 zsh -
19 13 6 13.1 bumpleak/osh mut
21 14 8 12.5 _bin/cxx-opt+bumproot/osh mut
21 14 8 12.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 11.0 osh-native mut+alloc
23 11 12 11.1 osh-native mut+alloc+free
22 18 5 9.0 osh-native mut+alloc+free+gc
23 12 11 8.9 osh-native mut+alloc+free+gc+exit
25 14 11 12.7 _bin/cxx-opt+nopool/osh mut+alloc
25 14 12 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc