Remove old device side function

This was moved out of GPU model and into AllSpikingNeurons_d.cpp a while back.

Author: NicolasJPosey

Simulator/Core/GPUModel.cpp

@@ -279,58 +279,6 @@ void GPUModel::allocEdgeIndexMap(int count)
                            cudaMemcpyHostToDevice));
 }
 
-/// Calculate the sum of synaptic input to each neuron.
-///
-/// Calculate the sum of synaptic input to each neuron. One thread
-/// corresponds to one neuron. Iterates sequentially through the
-/// forward synapse index map (edgeIndexMapDevice_) to access only
-/// existing synapses. Using this structure eliminates the need to skip
-/// synapses that have undergone lazy deletion from the main
-/// (allEdgesDevice) synapse structure. The forward map is
-/// re-computed during each network restructure (once per epoch) to
-/// ensure that all synapse pointers for a neuron are stored
-/// contiguously.
-///
-/// @param[in] totalVertices           Number of vertices in the entire simulation.
-/// @param[in,out] allVerticesDevice   Pointer to Neuron structures in device memory.
-/// @param[in] edgeIndexMapDevice_  Pointer to forward map structures in device memory.
-/// @param[in] allEdgesDevice      Pointer to Synapse structures in device memory.
-__global__ void
-   calcSummationPointDevice(int totalVertices,
-                            AllSpikingNeuronsDeviceProperties *__restrict__ allVerticesDevice,
-                            const EdgeIndexMapDevice *__restrict__ edgeIndexMapDevice_,
-                            const AllSpikingSynapsesDeviceProperties *__restrict__ allEdgesDevice)
-{
-   // The usual thread ID calculation and guard against excess threads
-   // (beyond the number of vertices, in this case).
-   int idx = blockIdx.x * blockDim.x + threadIdx.x;
-   if (idx >= totalVertices)
-      return;
-
-   // Number of incoming synapses
-   const BGSIZE synCount = edgeIndexMapDevice_->incomingEdgeCount_[idx];
-   // Optimization: terminate thread if no incoming synapses
-   if (synCount != 0) {
-      // Index of start of this neuron's block of forward map entries
-      const int beginIndex = edgeIndexMapDevice_->incomingEdgeBegin_[idx];
-      // Address of the start of this neuron's block of forward map entries
-      const BGSIZE *activeMapBegin = &(edgeIndexMapDevice_->incomingEdgeIndexMap_[beginIndex]);
-      // Summed post-synaptic response (PSR)
-      BGFLOAT sum = 0.0;
-      // Index of the current incoming synapse
-      BGSIZE synIndex;
-      // Repeat for each incoming synapse
-      for (BGSIZE i = 0; i < synCount; i++) {
-         // Get index of current incoming synapse
-         synIndex = activeMapBegin[i];
-         // Fetch its PSR and add into sum
-         sum += allEdgesDevice->psr_[synIndex];
-      }
-      // Store summed PSR into this neuron's summation point
-      allVerticesDevice->summationPoints_[idx] = sum;
-   }
-}
-
 /// Allocate and Copy CPU Synapse data to GPU.
 void GPUModel::copyCPUtoGPU()
 {