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optimizations

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This commit is contained in:
chudov
2009-09-13 16:08:21 +00:00
parent f7a52fbcdf
commit 866257d0de
3 changed files with 287 additions and 285 deletions
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4
CUETools.FlaCuda/flacuda.cu
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@@ -24,6 +24,8 @@ typedef struct
{
int samplesOffs;
int windowOffs;
int residualOffs;
int blocksize;
} computeAutocorTaskStruct;
typedef struct
@@ -155,7 +157,7 @@ extern "C" __global__ void cudaComputeLPC(
if (tid < 32)
{
int precision = 13;
int taskNo = (blockIdx.x + blockIdx.y * gridDim.x) * max_order + order;
int taskNo = shared.task.residualOffs + order;
shared.bits[tid] = __mul24((33 - __clz(__float2int_rn(fabs(shared.tmp[tid]) * (1 << 15))) - precision), tid <= order);
shared.bits[tid] = max(shared.bits[tid], shared.bits[tid + 16]);
shared.bits[tid] = max(shared.bits[tid], shared.bits[tid + 8]);