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[Runtime] Dynamically load cuTensorMapEncodeTiled #4330

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Merged
Jokeren merged 2 commits into from
Jul 16, 2024
Merged

[Runtime] Dynamically load cuTensorMapEncodeTiled #4330

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739f184
[Runtime] Dynamically load cuTensorMapEncodeTiled
malfet Jul 16, 2024
7c569e1
Fix typo
malfet Jul 16, 2024
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21 changes: 21 additions & 0 deletions third_party/nvidia/backend/driver.c
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Original file line number Diff line number Diff line change
Expand Up @@ -143,6 +143,14 @@ static PyObject *loadBinary(PyObject *self, PyObject *args) {
typedef CUresult (*cuOccupancyMaxActiveClusters_t)(
int *numClusters, CUfunction func, const CUlaunchConfig *config);

typedef CUresult (*cuTensorMapEncodeTiled_t)(
CUtensorMap *tensorMap, CUtensorMapDataType tensorDataType,
cuuint32_t tensorRank, void *globalAddress, const cuuint64_t *globalDim,
const cuuint64_t *globalStrides, const cuuint32_t *boxDim,
const cuuint32_t *elementStrides, CUtensorMapInterleave interleave,
CUtensorMapSwizzle swizzle, CUtensorMapL2promotion l2Promotion,
CUtensorMapFloatOOBfill oobFill);

#define defineGetFunctionHandle(name, symbolName) \
static symbolName##_t name() { \
/* Open the shared library */ \
Expand All @@ -168,6 +176,9 @@ typedef CUresult (*cuOccupancyMaxActiveClusters_t)(
defineGetFunctionHandle(getCuOccupancyMaxActiveClustersHandle,
cuOccupancyMaxActiveClusters);

defineGetFunctionHandle(getCuTensorMapEncodeTiledHandle,
cuTensorMapEncodeTiled);

static PyObject *occupancyMaxActiveClusters(PyObject *self, PyObject *args) {
int clusterDimX = -1, clusterDimY = -1, clusterDimZ = -1,
maxActiveClusters = -1;
Expand Down Expand Up @@ -206,6 +217,9 @@ static PyObject *occupancyMaxActiveClusters(PyObject *self, PyObject *args) {
static cuOccupancyMaxActiveClusters_t cuOccupancyMaxActiveClusters = NULL;
if (cuOccupancyMaxActiveClusters == NULL) {
cuOccupancyMaxActiveClusters = getCuOccupancyMaxActiveClustersHandle();
if (cuOccupancyMaxActiveClusters == NULL) {
return NULL;
}
}

Py_BEGIN_ALLOW_THREADS;
Expand Down Expand Up @@ -288,6 +302,13 @@ static PyObject *fill1DTMADescriptor(PyObject *self, PyObject *args) {
}
assert((elementSize * tensorDim) >= 32 && "block size too small.");
int rank = 1;
static cuTensorMapEncodeTiled_t cuTensorMapEncodeTiled = NULL;
if (cuTensorMapEncodeTiled == NULL) {
cuTensorMapEncodeTiled = getCuTensorMapEncodeTiledHandle();
if (cuTensorMapEncodeTiled == NULL) {
return NULL;
}
}
CUresult result = cuTensorMapEncodeTiled(
(CUtensorMap *)desc_address, type, rank, (void *)global_address, dims,
globalStrides, boxDim, elementStrides, CU_TENSOR_MAP_INTERLEAVE_NONE,
Expand Down