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optimizations

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This commit is contained in:
chudov
2010-10-31 07:42:09 +00:00
parent cab8e6da6b
commit 0466eb57c5
3 changed files with 75 additions and 107 deletions
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24
CUETools.Codecs.FLACCL/flaccpu.cl
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@@ -329,7 +329,6 @@ void clQuantizeLPC(
__kernel /*__attribute__(( vec_type_hint (int4)))*/ __attribute__((reqd_work_group_size(1, 1, 1)))
void clEstimateResidual(
__global int*output,
__global int*samples,
__global FLACCLSubframeTask *tasks
)
@@ -412,13 +411,18 @@ void clEstimateResidual(
int k = clamp(clz(1 << (12 - EPO)) - clz(res), 0, 14); // 27 - clz(res) == clz(16) - clz(res) == log2(res / 16)
total += (k << (12 - EPO)) + (res >> k);
}
output[get_group_id(0)] = min(0x7ffffff, total) + (bs - ro);
int partLen = min(0x7ffffff, total) + (bs - ro);
int obits = task.data.obits - task.data.wbits;
tasks[get_group_id(0)].data.size = min(obits * bs,
task.data.type == Fixed ? ro * obits + 6 + (4 * 1/2) + partLen :
task.data.type == LPC ? ro * obits + 4 + 5 + ro * task.data.cbits + 6 + (4 * 1/2)/* << porder */ + partLen :
task.data.type == Constant ? obits * select(1, bs, partLen != bs - ro) :
obits * bs);
}
__kernel __attribute__((reqd_work_group_size(1, 1, 1)))
void clChooseBestMethod(
__global FLACCLSubframeTask *tasks,
__global int *residual,
int taskCount
)
{
@@ -426,19 +430,7 @@ void clChooseBestMethod(
int best_no = 0;
for (int taskNo = 0; taskNo < taskCount; taskNo++)
{
// fetch task data
__global FLACCLSubframeTask* ptask = tasks + taskNo + taskCount * get_group_id(0);
// fetch part sum
int partLen = residual[taskNo + taskCount * get_group_id(0)];
int obits = ptask->data.obits - ptask->data.wbits;
int bs = ptask->data.blocksize;
int ro = ptask->data.residualOrder;
int len = min(obits * bs,
ptask->data.type == Fixed ? ro * obits + 6 + (4 * 1/2) + partLen :
ptask->data.type == LPC ? ro * obits + 4 + 5 + ro * ptask->data.cbits + 6 + (4 * 1/2)/* << porder */ + partLen :
ptask->data.type == Constant ? obits * select(1, bs, partLen != bs - ro) :
obits * bs);
ptask->data.size = len;
int len = tasks[taskNo + taskCount * get_group_id(0)].data.size;
if (len < best_length)
{
best_length = len;