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optimizations

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This commit is contained in:
chudov
2009-09-24 21:34:34 +00:00
parent d8957f6a3f
commit 693c2fbf41
3 changed files with 156 additions and 163 deletions
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14
CUETools.FlaCuda/FlaCudaWriter.cs
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@@ -1099,17 +1099,14 @@ namespace CUETools.Codecs.FlaCuda
unsafe void compute_autocorellation(int blocksize, int channelsCount, int max_order, int nFrames, FlaCudaTask task)
{
int autocorThreads = 256;
int partSize = 2 * autocorThreads - max_order;
partSize &= 0xffffff0;
if (blocksize <= 4)
return;
int partSize = 256 + 128;// (2 * 256 - max_order) & ~31;
int partCount = (blocksize + partSize - 1) / partSize;
if (partCount > maxAutocorParts)
throw new Exception("internal error");
if (blocksize <= 4)
return;
cuda.SetParameter(task.cudaStereoDecorr, 0, (uint)task.cudaSamples.Pointer);
cuda.SetParameter(task.cudaStereoDecorr, sizeof(uint), (uint)MAX_BLOCKSIZE);
cuda.SetParameterSize(task.cudaStereoDecorr, sizeof(uint) * 2U);
@@ -1129,8 +1126,8 @@ namespace CUETools.Codecs.FlaCuda
cuda.SetParameter(task.cudaComputeAutocor, sizeof(uint) * 4, (uint)max_order);
cuda.SetParameter(task.cudaComputeAutocor, sizeof(uint) * 4 + sizeof(uint), (uint)blocksize);
cuda.SetParameter(task.cudaComputeAutocor, sizeof(uint) * 4 + sizeof(uint) * 2, (uint)partSize);
cuda.SetParameterSize(task.cudaComputeAutocor, (uint)(sizeof(uint) * 4) + sizeof(uint) * 3);
cuda.SetFunctionBlockShape(task.cudaComputeAutocor, autocorThreads, 1, 1);
cuda.SetParameterSize(task.cudaComputeAutocor, sizeof(uint) * 7U);
cuda.SetFunctionBlockShape(task.cudaComputeAutocor, 32, 8, 1);
cuda.SetParameter(task.cudaComputeLPC, 0, (uint)task.cudaResidualTasks.Pointer);
cuda.SetParameter(task.cudaComputeLPC, sizeof(uint), (uint)task.cudaAutocorOutput.Pointer);
@@ -1768,6 +1765,7 @@ namespace CUETools.Codecs.FlaCuda
public int windowOffs;
public int residualOffs;
public int blocksize;
public fixed int reserved[12];
};
unsafe struct encodeResidualTaskStruct