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 18.0 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 149 24 62 46.1 51.4 1,653,272 4,764 12 1,069,120 6 798,641 osh-native
parse.abuild 9 1 1 2.6 8.5 101,875 180 2 75,096 1 37,548 osh-native
ex.compute-fib 28 0 1 2.6 7.9 584,140 31,810 12 50,000 0 2,825 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.8 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.7 116,284 478 3 85,332 1 42,666 osh-native

Resource Usage

parse.configure-cpython

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
7 6 0 1.6 dash -
23 23 0 3.0 bash -
104 57 53 3.4 zsh -
16 16 0 28.9 bumpleak/osh mut
20 15 4 29.1 _bin/cxx-opt+bumproot/osh mut
23 13 9 30.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
29 21 8 25.0 osh-native mut+alloc
32 25 7 25.6 osh-native mut+alloc+free
35 31 4 18.0 osh-native mut+alloc+free+gc
35 35 0 18.1 osh-native mut+alloc+free+gc+exit
44 24 20 32.8 _bin/cxx-opt+nopool/osh mut+alloc
48 36 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
21 14 7 1.6 dash -
78 78 0 3.3 bash -
375 210 186 3.5 zsh -
49 34 15 85.8 bumpleak/osh mut
62 46 15 85.9 _bin/cxx-opt+bumproot/osh mut
70 62 8 86.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 76 20 73.4 osh-native mut+alloc
106 57 49 75.1 osh-native mut+alloc+free
149 141 8 51.4 osh-native mut+alloc+free+gc
154 126 28 52.1 osh-native mut+alloc+free+gc+exit
138 110 28 98.7 _bin/cxx-opt+nopool/osh mut+alloc
211 175 36 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 2 0 1.4 dash -
6 3 3 3.0 bash -
8 8 0 3.3 zsh -
6 6 0 12.0 bumpleak/osh mut
7 7 0 11.1 _bin/cxx-opt+bumproot/osh mut
7 3 3 10.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
8 0 8 9.7 osh-native mut+alloc
8 4 4 10.0 osh-native mut+alloc+free
9 4 4 8.5 osh-native mut+alloc+free+gc
9 9 0 8.4 osh-native mut+alloc+free+gc+exit
12 8 4 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 11 0 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 10 0 1.4 dash -
29 28 0 3.0 bash -
24 20 4 3.3 zsh -
20 16 4 32.1 bumpleak/osh mut
25 18 7 32.3 _bin/cxx-opt+bumproot/osh mut
28 12 16 32.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
35 23 12 26.3 osh-native mut+alloc
37 33 4 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 8.0 osh-native mut+alloc+free+gc+exit
54 31 23 36.0 _bin/cxx-opt+nopool/osh mut+alloc
37 33 4 9.3 _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 70 4 3.3 bash -
167 104 64 55.4 bumpleak/osh mut
179 127 52 55.6 _bin/cxx-opt+bumproot/osh mut
193 121 72 55.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
213 117 96 46.9 osh-native mut+alloc
217 137 80 48.9 osh-native mut+alloc+free
180 112 68 8.8 osh-native mut+alloc+free+gc
179 115 64 8.7 osh-native mut+alloc+free+gc+exit
230 137 93 64.3 _bin/cxx-opt+nopool/osh mut+alloc
208 164 44 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 10 0 3.5 dash -
20 14 6 4.3 bash -
17 10 8 3.5 zsh -
18 12 7 11.3 bumpleak/osh mut
22 7 15 13.3 _bin/cxx-opt+bumproot/osh mut
22 14 8 13.3 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 11 10 10.9 osh-native mut+alloc
22 14 8 11.1 osh-native mut+alloc+free
22 17 5 8.7 osh-native mut+alloc+free+gc
23 18 6 8.9 osh-native mut+alloc+free+gc+exit
25 22 4 12.5 _bin/cxx-opt+nopool/osh mut+alloc
25 20 6 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc