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yaml_bench Scanner benchmark, and files are not realoaded from HDD by default.

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This commit is contained in:
Ferdinand Majerech 2014-08-02 23:27:44 +02:00
parent 6aa50b8898
commit 0d89c2beb1
1 changed files with 27 additions and 8 deletions
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25
examples/yaml_bench/yaml_bench.d
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@ -1,4 +1,5 @@
module dyaml.yaml_bench;
//Benchmark that loads, and optionally extracts data from and/or emits a YAML file. //Benchmark that loads, and optionally extracts data from and/or emits a YAML file.
import std.conv; import std.conv;
@ -21,7 +22,12 @@ void help()
" -h --help Show this help information.\n" " -h --help Show this help information.\n"
" -g --get Extract data from the file (using Node.as()).\n" " -g --get Extract data from the file (using Node.as()).\n"
" -d --dump Dump the loaded data (to YAML_FILE.dump).\n" " -d --dump Dump the loaded data (to YAML_FILE.dump).\n"
" -r --runs=NUM Repeat the benchmark NUM times.\n"; " -r --runs=NUM Repeat parsing the file NUM times.\n"
" --reload Reload the file from the diskl on every repeat\n"
" By default, the file is loaded to memory once\n"
" and repeatedly parsed from memory.\n"
" -s --scan-onlly Do not execute the entire parsing process, only\n"
" scanning. Overrides '--dump'.\n";
writeln(help); writeln(help);
} }
@ -59,6 +65,8 @@ void main(string[] args)
{ {
bool get = false; bool get = false;
bool dump = false; bool dump = false;
bool reload = false;
bool scanOnly = false;
uint runs = 1; uint runs = 1;
string file = null; string file = null;
@ -71,7 +79,9 @@ void main(string[] args)
case "--help", "-h": help(); return; case "--help", "-h": help(); return;
case "--get", "-g": get = true; break; case "--get", "-g": get = true; break;
case "--dump", "-d": dump = true; break; case "--dump", "-d": dump = true; break;
case "--runs", "-r": runs = to!uint(parts[1]); break; case "--reload": reload = true; break;
case "--scan-only", "-s": scanOnly = true; break;
case "--runs", "-r": runs = parts[1].to!uint; break;
default: writeln("\nUnknown argument: ", arg, "\n\n"); help(); return; default: writeln("\nUnknown argument: ", arg, "\n\n"); help(); return;
} }
else else
@ -95,9 +105,18 @@ void main(string[] args)
try try
{ {
import std.file;
void[] fileInMemory;
if(!reload) { fileInMemory = std.file.read(file); }
while(runs--) while(runs--)
{ {
auto nodes = Loader(file).loadAll(); if(reload) { fileInMemory = std.file.read(file); }
if(scanOnly)
{
Loader(fileInMemory).scanBench();
continue;
}
auto nodes = Loader(fileInMemory).loadAll();
if(dump) if(dump)
{ {
Dumper(file ~ ".dump").dump(nodes); Dumper(file ~ ".dump").dump(nodes);