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 17.8 476,684 1,282 6 408,754 5 204,377 osh-native
parse.configure-coreutils 152 24 64 46.1 51.7 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 8.5 995,217 27,376 21 50,000 0 3,820 osh-native
ex.abuild-print-help 22 1 2 2.8 8.9 116,284 478 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
6 6 0 1.6 dash -
23 19 4 3.0 bash -
104 54 56 3.5 zsh -
16 12 4 28.9 bumpleak/osh mut
20 20 0 30.2 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.5 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 21 8 25.2 osh-native mut+alloc
31 22 9 25.4 osh-native mut+alloc+free
36 24 12 17.8 osh-native mut+alloc+free+gc
35 20 16 17.8 osh-native mut+alloc+free+gc+exit
43 19 23 31.9 _bin/cxx-opt+nopool/osh mut+alloc
49 40 8 22.1 _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 18 4 1.4 dash -
78 77 0 3.1 bash -
377 201 198 3.5 zsh -
49 37 12 84.4 bumpleak/osh mut
61 49 12 85.4 _bin/cxx-opt+bumproot/osh mut
69 57 12 84.8 _bin/cxx-opt+bumpsmall/osh mut+alloc
99 62 37 73.6 osh-native mut+alloc
107 67 40 75.3 osh-native mut+alloc+free
152 120 32 51.7 osh-native mut+alloc+free+gc
163 135 28 52.1 osh-native mut+alloc+free+gc+exit
141 80 60 98.6 _bin/cxx-opt+nopool/osh mut+alloc
213 188 24 71.5 _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 0 2 1.4 dash -
6 6 0 3.0 bash -
8 0 7 3.3 zsh -
6 3 3 10.2 bumpleak/osh mut
7 3 3 11.0 _bin/cxx-opt+bumproot/osh mut
7 7 0 11.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 9 0 10.2 osh-native mut+alloc+free
9 3 6 8.5 osh-native mut+alloc+free+gc
9 4 4 8.5 osh-native mut+alloc+free+gc+exit
12 4 8 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 4 8 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
10 10 0 1.6 dash -
29 29 0 3.0 bash -
23 12 12 3.3 zsh -
19 19 0 32.5 bumpleak/osh mut
26 22 4 33.1 _bin/cxx-opt+bumproot/osh mut
27 23 4 32.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
37 28 8 26.3 osh-native mut+alloc
38 23 15 26.7 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 28 0 7.9 osh-native mut+alloc+free+gc+exit
62 37 25 36.1 _bin/cxx-opt+nopool/osh mut+alloc
37 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
73 69 4 3.1 bash -
166 101 65 54.7 bumpleak/osh mut
178 146 32 54.8 _bin/cxx-opt+bumproot/osh mut
193 148 44 56.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
210 131 79 47.1 osh-native mut+alloc
217 125 92 49.0 osh-native mut+alloc+free
180 136 44 8.5 osh-native mut+alloc+free+gc
182 130 51 8.7 osh-native mut+alloc+free+gc+exit
232 152 80 64.2 _bin/cxx-opt+nopool/osh mut+alloc
208 160 48 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 9 1 3.5 dash -
19 14 5 4.3 bash -
18 15 4 3.4 zsh -
20 15 6 12.6 bumpleak/osh mut
20 11 9 13.6 _bin/cxx-opt+bumproot/osh mut
20 17 4 12.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 14 7 11.0 osh-native mut+alloc
23 19 4 11.1 osh-native mut+alloc+free
22 12 11 8.9 osh-native mut+alloc+free+gc
23 18 5 8.8 osh-native mut+alloc+free+gc+exit
25 18 7 12.6 _bin/cxx-opt+nopool/osh mut+alloc
25 23 3 9.9 _bin/cxx-opt+nopool/osh mut+alloc+free+gc