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 3 9 12.0 17.7 476,760 1,282 6 406,606 5 203,303 osh-native
parse.configure-cpython 37 7 14 12.0 17.6 476,760 1,282 6 406,322 5 203,161 osh-native-souffle
parse.configure-coreutils 173 26 85 44.5 49.8 1,653,348 4,764 12 1,025,528 6 764,307 osh-native
parse.configure-coreutils 162 28 85 44.5 49.4 1,653,347 4,764 12 1,025,518 6 764,302 osh-native-souffle
parse.abuild 9 1 1 2.6 8.4 101,951 180 2 75,032 1 37,516 osh-native
parse.abuild 8 1 1 2.6 8.1 101,951 180 2 75,022 1 37,511 osh-native-souffle
ex.compute-fib 28 0 1 2.2 8.0 579,715 22,608 12 50,000 0 2,920 osh-native
ex.compute-fib 22 0 2 2.2 7.7 579,715 22,608 12 50,000 0 2,915 osh-native-souffle
ex.bashcomp-parse-help 183 0 4 11.1 8.8 1,021,030 15,258 22 50,000 0 3,909 osh-native
ex.bashcomp-parse-help 178 0 5 11.1 8.3 1,021,029 15,258 22 50,000 0 3,914 osh-native-souffle
ex.abuild-print-help 22 1 2 2.8 9.0 116,334 277 3 85,250 1 42,625 osh-native
ex.abuild-print-help 21 1 2 2.8 8.7 116,334 277 3 85,240 1 42,620 osh-native-souffle

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 20 3 3.0 bash -
101 54 54 3.4 zsh -
16 12 4 28.8 bumpleak/osh mut
20 14 6 29.7 _bin/cxx-opt+bumproot/osh mut
22 18 4 29.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
30 19 11 25.2 osh-native mut+alloc
31 15 16 25.7 osh-native mut+alloc+free
36 27 9 17.7 osh-native mut+alloc+free+gc
36 32 4 18.1 osh-native mut+alloc+free+gc+exit
44 29 14 32.4 _bin/cxx-opt+nopool/osh mut+alloc
51 38 14 22.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
27 14 12 24.9 osh-native-souffle mut+alloc
28 18 10 25.3 osh-native-souffle mut+alloc+free
37 29 8 17.6 osh-native-souffle mut+alloc+free+gc
35 28 7 17.7 osh-native-souffle mut+alloc+free+gc+exit

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 20 1 1.6 dash -
79 79 0 3.3 bash -
370 190 202 3.7 zsh -
52 45 7 86.1 bumpleak/osh mut
60 50 10 85.1 _bin/cxx-opt+bumproot/osh mut
72 59 13 86.2 _bin/cxx-opt+bumpsmall/osh mut+alloc
96 63 33 73.5 osh-native mut+alloc
103 70 33 75.4 osh-native mut+alloc+free
173 151 22 49.8 osh-native mut+alloc+free+gc
167 143 24 50.3 osh-native mut+alloc+free+gc+exit
136 92 44 98.8 _bin/cxx-opt+nopool/osh mut+alloc
229 202 27 66.5 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
86 64 22 73.1 osh-native-souffle mut+alloc
97 58 40 75.0 osh-native-souffle mut+alloc+free
162 136 26 49.4 osh-native-souffle mut+alloc+free+gc
162 143 19 50.2 osh-native-souffle mut+alloc+free+gc+exit

parse.abuild

Parsing abuild from Alpine Linux.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
2 1 1 1.4 dash -
5 4 1 3.0 bash -
8 2 5 3.4 zsh -
6 3 3 10.6 bumpleak/osh mut
7 7 0 11.2 _bin/cxx-opt+bumproot/osh mut
7 3 4 11.7 _bin/cxx-opt+bumpsmall/osh mut+alloc
9 9 0 10.0 osh-native mut+alloc
9 5 4 10.1 osh-native mut+alloc+free
9 6 3 8.4 osh-native mut+alloc+free+gc
9 6 3 8.7 osh-native mut+alloc+free+gc+exit
12 6 5 11.4 _bin/cxx-opt+nopool/osh mut+alloc
12 5 7 9.4 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
10 5 5 9.6 osh-native-souffle mut+alloc
8 6 2 9.7 osh-native-souffle mut+alloc+free
8 7 1 8.1 osh-native-souffle mut+alloc+free+gc
9 5 4 8.3 osh-native-souffle mut+alloc+free+gc+exit

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 8 2 1.4 dash -
28 27 1 3.0 bash -
23 21 2 3.3 zsh -
18 14 4 31.0 bumpleak/osh mut
26 26 0 31.4 _bin/cxx-opt+bumproot/osh mut
28 26 2 32.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
36 27 9 26.3 osh-native mut+alloc
39 27 12 26.6 osh-native mut+alloc+free
28 26 2 8.0 osh-native mut+alloc+free+gc
29 27 2 8.0 osh-native mut+alloc+free+gc+exit
53 39 14 35.9 _bin/cxx-opt+nopool/osh mut+alloc
38 34 4 9.7 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
30 18 13 26.0 osh-native-souffle mut+alloc
31 18 12 26.2 osh-native-souffle mut+alloc+free
22 19 3 7.7 osh-native-souffle mut+alloc+free+gc
21 18 3 7.6 osh-native-souffle mut+alloc+free+gc+exit

ex.bashcomp-parse-help

A realistic bash-completion workload.

elapsed ms user ms sys ms max rss MB shell label shell runtime opts
74 71 3 3.0 bash -
168 117 51 55.9 bumpleak/osh mut
182 127 55 57.4 _bin/cxx-opt+bumproot/osh mut
198 123 75 58.6 _bin/cxx-opt+bumpsmall/osh mut+alloc
215 142 73 49.0 osh-native mut+alloc
219 148 71 50.8 osh-native mut+alloc+free
183 122 61 8.8 osh-native mut+alloc+free+gc
186 141 44 8.9 osh-native mut+alloc+free+gc+exit
233 157 76 64.6 _bin/cxx-opt+nopool/osh mut+alloc
213 183 30 10.2 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
206 138 68 48.3 osh-native-souffle mut+alloc
213 144 69 50.4 osh-native-souffle mut+alloc+free
178 125 53 8.3 osh-native-souffle mut+alloc+free+gc
179 119 59 8.3 osh-native-souffle mut+alloc+free+gc+exit

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 3.4 dash -
19 12 8 4.3 bash -
17 6 12 3.5 zsh -
18 8 11 13.2 bumpleak/osh mut
21 7 14 13.0 _bin/cxx-opt+bumproot/osh mut
19 13 7 11.9 _bin/cxx-opt+bumpsmall/osh mut+alloc
21 8 13 11.1 osh-native mut+alloc
22 9 13 11.3 osh-native mut+alloc+free
22 12 10 9.0 osh-native mut+alloc+free+gc
23 13 10 9.0 osh-native mut+alloc+free+gc+exit
24 12 13 12.8 _bin/cxx-opt+nopool/osh mut+alloc
25 12 14 10.1 _bin/cxx-opt+nopool/osh mut+alloc+free+gc
20 10 10 10.6 osh-native-souffle mut+alloc
21 11 11 10.5 osh-native-souffle mut+alloc+free
21 11 10 8.7 osh-native-souffle mut+alloc+free+gc
22 10 12 8.7 osh-native-souffle mut+alloc+free+gc+exit