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[HIP Texture] The GPU virtual address for texture memory needs to be

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aligned.

In hcc_am, a bigger buffer will be allocated for alignment purpose
and _unalignedDevicePointer is added in struct AmPointerInfo for
original allocated address.
This commit is contained in:
Weixing Zhang
2017-08-03 00:29:10 -04:00
parent 6d6c325626
commit 4264a4ce56
2 changed files with 129 additions and 26 deletions
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src/hip_hcc.cpp
+7 -7
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@@ -1866,8 +1866,8 @@ void ihipStream_t::locked_copySync(void* dst, const void* src, size_t sizeBytes,
}
hc::accelerator acc;
hc::AmPointerInfo dstPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo srcPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo dstPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo srcPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
bool dstTracked = getTailoredPtrInfo(&dstPtrInfo, dst, sizeBytes);
bool srcTracked = getTailoredPtrInfo(&srcPtrInfo, src, sizeBytes);
@@ -1902,7 +1902,7 @@ void ihipStream_t::locked_copySync(void* dst, const void* src, size_t sizeBytes,
}
void ihipStream_t::addSymbolPtrToTracker(hc::accelerator& acc, void* ptr, size_t sizeBytes) {
hc::AmPointerInfo ptrInfo(NULL, ptr, sizeBytes, acc, true, false);
hc::AmPointerInfo ptrInfo(NULL, ptr, ptr, sizeBytes, acc, true, false);
hc::am_memtracker_add(ptr, ptrInfo);
}
@@ -1926,7 +1926,7 @@ void ihipStream_t::lockedSymbolCopyAsync(hc::accelerator &acc, void* dst, void*
{
// TODO - review - this looks broken , should not be adding pointers to tracker dynamically:
if(kind == hipMemcpyHostToDevice) {
hc::AmPointerInfo srcPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo srcPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
bool srcTracked = (hc::am_memtracker_getinfo(&srcPtrInfo, src) == AM_SUCCESS);
if(srcTracked) {
addSymbolPtrToTracker(acc, dst, sizeBytes);
@@ -1938,7 +1938,7 @@ void ihipStream_t::lockedSymbolCopyAsync(hc::accelerator &acc, void* dst, void*
}
}
if(kind == hipMemcpyDeviceToHost) {
hc::AmPointerInfo dstPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo dstPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
bool dstTracked = (hc::am_memtracker_getinfo(&dstPtrInfo, dst) == AM_SUCCESS);
if(dstTracked) {
addSymbolPtrToTracker(acc, src, sizeBytes);
@@ -1977,8 +1977,8 @@ void ihipStream_t::locked_copyAsync(void* dst, const void* src, size_t sizeBytes
} else {
hc::accelerator acc;
hc::AmPointerInfo dstPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo srcPtrInfo(NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo dstPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
hc::AmPointerInfo srcPtrInfo(NULL, NULL, NULL, 0, acc, 0, 0);
bool dstTracked = getTailoredPtrInfo(&dstPtrInfo, dst, sizeBytes);
bool srcTracked = getTailoredPtrInfo(&srcPtrInfo, src, sizeBytes);