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 18.0 476,689 1,282 6 408,756 5 204,378 osh-native
parse.configure-coreutils 149 24 62 46.1 51.7 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 28 0 1 2.6 7.9 584,145 31,810 12 50,000 0 2,826 osh-native
ex.bashcomp-parse-help 180 0 3 10.6 8.7 995,222 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 53 57 3.3 zsh -
16 12 4 29.0 bumpleak/osh mut
19 15 4 30.1 _bin/cxx-opt+bumproot/osh mut
23 15 8 30.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 26 4 25.2 osh-native mut+alloc
31 19 12 25.3 osh-native mut+alloc+free
35 30 4 18.0 osh-native mut+alloc+free+gc
36 28 8 17.8 osh-native mut+alloc+free+gc+exit
44 27 16 33.2 _bin/cxx-opt+nopool/osh mut+alloc
47 44 4 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 17 4 1.6 dash -
77 77 0 3.1 bash -
375 233 164 3.7 zsh -
51 43 8 85.1 bumpleak/osh mut
60 51 9 85.0 _bin/cxx-opt+bumproot/osh mut
71 55 16 86.1 _bin/cxx-opt+bumpsmall/osh mut+alloc
98 65 32 73.6 osh-native mut+alloc
106 81 24 75.2 osh-native mut+alloc+free
149 117 32 51.7 osh-native mut+alloc+free+gc
152 123 28 52.1 osh-native mut+alloc+free+gc+exit
141 66 74 98.0 _bin/cxx-opt+nopool/osh mut+alloc
207 183 24 71.4 _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 6 0 2.9 bash -
8 4 4 3.4 zsh -
6 0 6 10.6 bumpleak/osh mut
6 6 0 10.8 _bin/cxx-opt+bumproot/osh mut
8 0 7 11.8 _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 4 4 8.5 osh-native mut+alloc+free+gc
9 0 9 8.7 osh-native mut+alloc+free+gc+exit
11 11 0 11.4 _bin/cxx-opt+nopool/osh mut+alloc
11 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 1.4 dash -
28 28 0 2.9 bash -
24 20 4 3.4 zsh -
19 19 0 31.3 bumpleak/osh mut
25 25 0 31.5 _bin/cxx-opt+bumproot/osh mut
28 24 4 32.4 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 16 20 26.3 osh-native mut+alloc
38 25 13 26.6 osh-native mut+alloc+free
28 24 4 7.9 osh-native mut+alloc+free+gc
28 24 4 7.9 osh-native mut+alloc+free+gc+exit
55 51 4 36.0 _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 65 8 3.3 bash -
168 112 56 55.5 bumpleak/osh mut
178 123 55 55.5 _bin/cxx-opt+bumproot/osh mut
199 147 52 56.0 _bin/cxx-opt+bumpsmall/osh mut+alloc
211 147 64 47.1 osh-native mut+alloc
217 136 80 49.0 osh-native mut+alloc+free
180 117 63 8.7 osh-native mut+alloc+free+gc
178 123 55 8.8 osh-native mut+alloc+free+gc+exit
232 128 104 63.5 _bin/cxx-opt+nopool/osh mut+alloc
208 140 68 9.8 _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 7 3 3.5 dash -
19 16 4 4.3 bash -
18 11 8 3.5 zsh -
19 6 12 13.2 bumpleak/osh mut
20 11 9 13.5 _bin/cxx-opt+bumproot/osh mut
22 13 10 13.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
22 19 3 10.9 osh-native mut+alloc
22 15 7 11.0 osh-native mut+alloc+free
22 17 5 9.0 osh-native mut+alloc+free+gc
23 16 8 8.9 osh-native mut+alloc+free+gc+exit
25 13 13 12.4 _bin/cxx-opt+nopool/osh mut+alloc
25 19 7 10.0 _bin/cxx-opt+nopool/osh mut+alloc+free+gc