Add int64 and uint64 types for all algorithms and tests

src/all_gather.cu

@@ -477,6 +477,12 @@ public:
     case ncclDouble:
       return ncclAllGatherWithType<double>(sendbuff, recvbuff, count, comm,
           numUnroll, stream);
+    case ncclInt64:
+      return ncclAllGatherWithType<long long>(sendbuff, recvbuff, count, comm,
+          numUnroll, stream);
+    case ncclUint64:
+      return ncclAllGatherWithType<unsigned long long>(sendbuff, recvbuff, count, comm,
+          numUnroll, stream);
     }
     return ncclInvalidType;
   }

src/all_gather_test.cu

@@ -224,6 +224,8 @@ int main(int argc, char* argv[]) {
 #endif
   RunTests<float>(N / sizeof(float), ncclFloat, comms, dList);
   RunTests<double>(N / sizeof(double), ncclDouble, comms, dList);
+  RunTests<long long>(N / sizeof(long long), ncclInt64, comms, dList);
+  RunTests<unsigned long long>(N / sizeof(unsigned long long), ncclUint64, comms, dList);
 
   printf("\n");
 

src/all_reduce.cu

@@ -489,6 +489,12 @@ public:
     case ncclDouble:
       return ncclAllReduceWithType<double>(sendbuff, recvbuff, count, op,
           comm, stream);
+    case ncclInt64:
+      return ncclAllReduceWithType<long long>(sendbuff, recvbuff, count, op,
+          comm, stream);
+    case ncclUint64:
+      return ncclAllReduceWithType<unsigned long long int>(sendbuff, recvbuff, count, op,
+          comm, stream);
     }
 
     return ncclInvalidType;

src/all_reduce_test.cu

@@ -287,6 +287,8 @@ int main(int argc, char* argv[]) {
 #endif
   RunTests<float>(N / sizeof(float), ncclFloat, comms, dList);
   RunTests<double>(N / sizeof(double), ncclDouble, comms, dList);
+  RunTests<long long>(N / sizeof(long long), ncclInt64, comms, dList);
+  RunTests<unsigned long long>(N / sizeof(unsigned long long), ncclUint64, comms, dList);
 
   printf("\n");
 

src/broadcast.cu

@@ -396,6 +396,10 @@ public:
       return ncclBcastWithType<float>(buff, count, root, comm, numUnroll, stream);
     case ncclDouble:
       return ncclBcastWithType<double>(buff, count, root, comm, numUnroll, stream);
+    case ncclInt64:
+      return ncclBcastWithType<long long>(buff, count, root, comm, numUnroll, stream);
+    case ncclUint64:
+      return ncclBcastWithType<unsigned long long>(buff, count, root, comm, numUnroll, stream);
     }
     return ncclInvalidType;
   }

src/broadcast_test.cu

@@ -224,6 +224,8 @@ int main(int argc, char* argv[]) {
 #endif
   RunTests<float>(N / sizeof(float), ncclFloat, comms, dList);
   RunTests<double>(N / sizeof(double), ncclDouble, comms, dList);
+  RunTests<long long>(N / sizeof(long long), ncclInt64, comms, dList);
+  RunTests<unsigned long long>(N / sizeof(unsigned long long), ncclUint64, comms, dList);
 
   printf("\n");
 

src/common_kernel.h

@@ -174,6 +174,26 @@ struct MULTI<FUNC, double> {
   }
 };
 
+template<class FUNC>
+struct MULTI<FUNC, unsigned long long> {
+  static_assert(sizeof(PackType) == sizeof(unsigned long long),
+      "PackType must be the same size as unsigned long long.");
+  __device__ PackType operator()(const PackType x, const PackType y) const {
+    unsigned long long rv = FUNC()(x, y);
+    return rv;
+  }
+};
+
+template<class FUNC>
+struct MULTI<FUNC, long long> {
+  static_assert(sizeof(PackType) == sizeof(long long),
+      "PackType must be the same size as long long.");
+  __device__ PackType operator()(const PackType x, const PackType y) const {
+    long long rv = FUNC()((long long)x, (long long)y);
+    return rv;
+  }
+};
+
 template<typename T, bool FETCHTWO>
 __device__ inline void FetchOneOrTwo64b(PackType& s0,
     const volatile T * __restrict__ const src0, PackType& s1,

src/nccl.h

@@ -117,7 +117,9 @@ typedef enum { ncclChar       = 0,
 #endif
                ncclFloat      = 3,
                ncclDouble     = 4,
-               nccl_NUM_TYPES = 5 } ncclDataType_t;
+               ncclInt64      = 5,
+               ncclUint64     = 6,
+               nccl_NUM_TYPES = 7 } ncclDataType_t;
 
 /* Reduces data arrays of length count in sendbuff into recvbuf using op operation.
  * recvbuf may be NULL on all calls except for root device.

src/reduce.cu

@@ -393,6 +393,10 @@ public:
       return ncclReduceWithType<float>(sendbuff, recvbuff, count, op, root, comm, stream);
     case ncclDouble:
       return ncclReduceWithType<double>(sendbuff, recvbuff, count, op, root, comm, stream);
+    case ncclInt64:
+      return ncclReduceWithType<long long>(sendbuff, recvbuff, count, op, root, comm, stream);
+    case ncclUint64:
+      return ncclReduceWithType<unsigned long long>(sendbuff, recvbuff, count, op, root, comm, stream);
     }
     return ncclInvalidType;
   }

src/reduce_scatter.cu

@@ -474,6 +474,12 @@ public:
     case ncclDouble:
       return ncclReduceScatterWithType<double>(sendbuff, recvbuff, recvcount,
           op, comm, stream);
+    case ncclInt64:
+      return ncclReduceScatterWithType<long long>(sendbuff, recvbuff, recvcount,
+          op, comm, stream);
+    case ncclUint64:
+      return ncclReduceScatterWithType<unsigned long long>(sendbuff, recvbuff, recvcount,
+          op, comm, stream);
     }
     return ncclInvalidType;
   }

src/reduce_scatter_test.cu

@@ -271,6 +271,8 @@ int main(int argc, char* argv[]) {
 #endif
   RunTests<float>(N / sizeof(float), ncclFloat, comms, dList);
   RunTests<double>(N / sizeof(double), ncclDouble, comms, dList);
+  RunTests<long long>(N / sizeof(long long), ncclInt64, comms, dList);
+  RunTests<unsigned long long>(N / sizeof(unsigned long long), ncclUint64, comms, dList);
 
   printf("\n");
 

src/reduce_test.cu

@@ -285,6 +285,8 @@ int main(int argc, char* argv[]) {
 #endif
   RunTests<float>(N / sizeof(float), ncclFloat, comms, dList);
   RunTests<double>(N / sizeof(double), ncclDouble, comms, dList);
+  RunTests<long long>(N / sizeof(long long), ncclInt64, comms, dList);
+  RunTests<unsigned long long>(N / sizeof(unsigned long long), ncclUint64, comms, dList);
 
   printf("\n");
 

src/test_utilities.h

@@ -89,6 +89,12 @@ void GenerateRandom<double>(curandGenerator_t generator, double * const dest,
   CURAND_CHK(curandGenerateUniformDouble(generator, dest, N));
 }
 
+template<>
+void GenerateRandom<unsigned long long>(curandGenerator_t generator, unsigned long long * const dest,
+    const int N) {
+  CURAND_CHK(curandGenerateLongLong(generator, dest, N));
+}
+
 
 template<typename T>
 void Randomize(T* const dest, const int N, const int randomSeed) {
@@ -100,6 +106,24 @@ void Randomize(T* const dest, const int N, const int randomSeed) {
   CUDACHECK(cudaDeviceSynchronize());
 }
 
+template<>
+void Randomize(unsigned long long* const dest, const int N, const int randomSeed) {
+  curandGenerator_t gen;
+  CURAND_CHK(curandCreateGenerator(&gen, CURAND_RNG_QUASI_SOBOL64));
+  GenerateRandom<unsigned long long>(gen, dest, N);
+  CURAND_CHK(curandDestroyGenerator(gen));
+  CUDACHECK(cudaDeviceSynchronize());
+}
+
+template<>
+void Randomize(long long* const dest, const int N, const int randomSeed) {
+  curandGenerator_t gen;
+  CURAND_CHK(curandCreateGenerator(&gen, CURAND_RNG_QUASI_SOBOL64));
+  GenerateRandom<unsigned long long>(gen, (unsigned long long *)dest, N);
+  CURAND_CHK(curandDestroyGenerator(gen));
+  CUDACHECK(cudaDeviceSynchronize());
+}
+
 #ifdef CUDA_HAS_HALF
 __global__ void halve(const float * src, half* dest, int N) {
   for(int tid = threadIdx.x + blockIdx.x*blockDim.x;
@@ -268,6 +292,8 @@ std::string TypeName(const ncclDataType_t type) {
 #endif
     case ncclFloat:  return "float";
     case ncclDouble: return "double";
+    case ncclInt64:  return "int64";
+    case ncclUint64: return "uint64";
     default:         return "unknown";
   }
 }