1 // Copyright 2019, VIXL authors
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are met:
6 //
7 // * Redistributions of source code must retain the above copyright notice,
8 // this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above copyright notice,
10 // this list of conditions and the following disclaimer in the documentation
11 // and/or other materials provided with the distribution.
12 // * Neither the name of ARM Limited nor the names of its contributors may be
13 // used to endorse or promote products derived from this software without
14 // specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27 #include "globals-vixl.h"
28
29 #include "aarch64/instructions-aarch64.h"
30 #include "aarch64/macro-assembler-aarch64.h"
31
32 #include "bench-utils.h"
33
34 using namespace vixl;
35 using namespace vixl::aarch64;
36
37 // This program measures code generation time using the MacroAssembler. It aims
38 // to be representative of realistic usage, but is not based on real traces.
main(int argc,char * argv[])39 int main(int argc, char* argv[]) {
40 BenchCLI cli(argc, argv);
41 if (cli.ShouldExitEarly()) return cli.GetExitCode();
42
43 const size_t buffer_size = 256 * KBytes;
44 MacroAssembler masm(buffer_size);
45 masm.SetCPUFeatures(CPUFeatures::All());
46 BenchCodeGenerator generator(&masm);
47
48 BenchTimer timer;
49
50 size_t iterations = 0;
51 do {
52 masm.Reset();
53
54 generator.Generate(buffer_size);
55
56 masm.FinalizeCode();
57 iterations++;
58 } while (!timer.HasRunFor(cli.GetRunTimeInSeconds()));
59
60 cli.PrintResults(iterations, timer.GetElapsedSeconds());
61 return cli.GetExitCode();
62 }
63