private static void Run(string resultsFile, string path, long limit, string codec, string architecture)
{
var provider = new FileDataProvider(path.Split(';'));
TimedMethod compressor;
TimedMethod decompressor;
var codecCode = SelectCodec(codec, architecture, out compressor, out decompressor);
Warmup(compressor, decompressor);
long total = 0;
var pct = 0;
while (total < limit)
{
var original = provider.GetBytes();
var length = original.Length;
var compressed = compressor.Run(original, length);
var decompressed = decompressor.Run(compressed, length);
AssertEqual(original, decompressed);
total += length;
var new_pct = (int)(total * 100 / limit);
if (new_pct > pct)
{
Console.WriteLine("{0}%", new_pct);
pct = new_pct;
}
}
Console.WriteLine("{0}: {1:0.00} / {2:0.00}", codecCode, compressor.Speed, decompressor.Speed);
UpdateResults(resultsFile, codecCode, compressor, decompressor);
}
private static void TestPerformance(TimedMethod[] compressors, TimedMethod[] decompressors)
{
var names = compressors.Select(c => c.Name).ToArray();
foreach (var name in names)
{
var compressor = compressors.First(c => c.Name == name);
var decompressor = decompressors.First(d => d.Name == name);
Console.WriteLine("---- {0} ----", name);
Warmup(compressor, decompressor);
var provider = new FileDataProvider(Utilities.TEST_DATA_FOLDER);
long total = 0;
const long limit = 1L*1024*1024*1024;
var last_pct = 0;
while (total < limit)
{
var block = provider.GetBytes();
TestSpeed(block, compressor, decompressor);
total += block.Length;
var pct = (int)((double)total*100/limit);
if (pct > last_pct)
{
Console.WriteLine("{0}%...", pct);
last_pct = pct;
}
}
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
Thread.Sleep(1000);
}
Console.WriteLine("---- Results ----");
Console.WriteLine("Architecture: {0}bit", IntPtr.Size*8);
Console.WriteLine("Compression:");
foreach (var compressor in compressors)
{
Console.WriteLine(" {0}: {1:0.00}MB/s ({2:0.00}%)", compressor.Name, compressor.Speed, compressor.Ratio);
}
Console.WriteLine("Decompression:");
foreach (var decompressor in decompressors)
{
Console.WriteLine(" {0}: {1:0.00}MB/s", decompressor.Name, decompressor.Speed);
}
}
public void TestCompressionPerformance()
{
var compressors = new[] {
new TimedMethod("Copy", Copy),
new TimedMethod("MixedMode 64", (b, l) => LZ4mm.LZ4Codec.Encode64(b, 0, l)),
new TimedMethod("MixedMode 32", (b, l) => LZ4mm.LZ4Codec.Encode32(b, 0, l)),
new TimedMethod("C++/CLI 64", (b, l) => LZ4cc.LZ4Codec.Encode64(b, 0, l)),
new TimedMethod("C++/CLI 32", (b, l) => LZ4cc.LZ4Codec.Encode32(b, 0, l)),
new TimedMethod("Unsafe 64", (b, l) => LZ4n.LZ4Codec.Encode64(b, 0, l)),
new TimedMethod("Unsafe 32", (b, l) => LZ4n.LZ4Codec.Encode32(b, 0, l)),
new TimedMethod("Safe 64", (b, l) => LZ4s.LZ4Codec.Encode64(b, 0, l)),
new TimedMethod("Safe 32", (b, l) => LZ4s.LZ4Codec.Encode32(b, 0, l)),
};
var decompressors = new[] {
new TimedMethod("Copy", Copy),
new TimedMethod("MixedMode 64", (b, l) => LZ4mm.LZ4Codec.Decode64(b, 0, b.Length, l)),
new TimedMethod("MixedMode 32", (b, l) => LZ4mm.LZ4Codec.Decode32(b, 0, b.Length, l)),
new TimedMethod("C++/CLI 64", (b, l) => LZ4cc.LZ4Codec.Decode64(b, 0, b.Length, l)),
new TimedMethod("C++/CLI 32", (b, l) => LZ4cc.LZ4Codec.Decode32(b, 0, b.Length, l)),
new TimedMethod("Unsafe 64", (b, l) => LZ4n.LZ4Codec.Decode64(b, 0, b.Length, l)),
new TimedMethod("Unsafe 32", (b, l) => LZ4n.LZ4Codec.Decode32(b, 0, b.Length, l)),
new TimedMethod("Safe 64", (b, l) => LZ4s.LZ4Codec.Decode64(b, 0, b.Length, l)),
new TimedMethod("Safe 32", (b, l) => LZ4s.LZ4Codec.Decode64(b, 0, b.Length, l)),
};
var names = compressors.Select(c => c.Name).ToArray();
foreach (var name in names)
{
var compressor = compressors.First(c => c.Name == name);
var decompressor = decompressors.First(d => d.Name == name);
Console.WriteLine("---- {0} ----", name);
Warmup(compressor, decompressor);
var provider = new FileDataProvider(TEST_DATA_FOLDER);
long total = 0;
const long limit = 1L * 1024 * 1024 * 1024;
var last_pct = 0;
while (total < limit)
{
var block = provider.GetBytes();
TestSpeed(block, compressor, decompressor);
total += block.Length;
var pct = (int)((double)total * 100 / limit);
if (pct > last_pct)
{
Console.WriteLine("{0}%...", pct);
last_pct = pct;
}
}
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
Thread.Sleep(1000);
}
Console.WriteLine("---- Results ----");
Console.WriteLine("Architecture: {0}bit", IntPtr.Size * 8);
Console.WriteLine("Compression:");
foreach (var compressor in compressors)
{
Console.WriteLine(" {0}: {1:0.00}MB/s ({2:0.00}%)", compressor.Name, compressor.Speed, compressor.Ratio);
}
Console.WriteLine("Decompression:");
foreach (var decompressor in decompressors)
{
Console.WriteLine(" {0}: {1:0.00}MB/s", decompressor.Name, decompressor.Speed);
}
}