Fixed typos in gpu_hashtable_delete() and lookup_hashtable()

Author: David Farrell

src/linearprobing.cu

@@ -92,7 +92,7 @@ void insert_hashtable(KeyValue* pHashTable, const KeyValue* kvs, uint32_t num_kv
 __global__ void gpu_hashtable_lookup(KeyValue* hashtable, KeyValue* kvs, unsigned int numkvs)
 {
     unsigned int threadid = blockIdx.x * blockDim.x + threadIdx.x;
-    if (threadid < kHashTableCapacity)
+    if (threadid < numkvs)
     {
         uint32_t key = kvs[threadid].key;
         uint32_t slot = hash(key);
@@ -135,7 +135,7 @@ void lookup_hashtable(KeyValue* pHashTable, KeyValue* kvs, uint32_t num_kvs)
 
     // Insert all the keys into the hash table
     int gridsize = ((uint32_t)num_kvs + threadblocksize - 1) / threadblocksize;
-    gpu_hashtable_insert << <gridsize, threadblocksize >> > (pHashTable, device_kvs, (uint32_t)num_kvs);
+    gpu_hashtable_lookup << <gridsize, threadblocksize >> > (pHashTable, device_kvs, (uint32_t)num_kvs);
 
     cudaEventRecord(stop);
 
@@ -156,7 +156,7 @@ void lookup_hashtable(KeyValue* pHashTable, KeyValue* kvs, uint32_t num_kvs)
 __global__ void gpu_hashtable_delete(KeyValue* hashtable, const KeyValue* kvs, unsigned int numkvs)
 {
     unsigned int threadid = blockIdx.x * blockDim.x + threadIdx.x;
-    if (threadid < kHashTableCapacity)
+    if (threadid < numkvs)
     {
         uint32_t key = kvs[threadid].key;
         uint32_t slot = hash(key);