[ESIMD] Enabled back kmeans test by reducing the number of iterations (intel#309)

Author: DenisBakhvalov

SYCL/ESIMD/kmeans/kmeans.cpp

@@ -9,9 +9,7 @@
 // UNSUPPORTED: cuda
 // RUN: %clangxx -fsycl %s -I%S/.. -o %t.out
 // RUN: %HOST_RUN_PLACEHOLDER %t.out %S/points.csv
-// FIXME disable the test until timeout issue is fixed
-// RUNx: %GPU_RUN_PLACEHOLDER %t.out %S/points.csv
-//
+// RUN: %GPU_RUN_PLACEHOLDER %t.out %S/points.csv
 
 #include "kmeans.h"
 #include "esimd_test_utils.hpp"

SYCL/ESIMD/kmeans/kmeans.h

@@ -18,7 +18,7 @@ static constexpr unsigned int NUM_CENTROIDS_ACTUAL = 20;
 static constexpr unsigned int NUM_CENTROIDS_ALLOCATED =
     ((NUM_CENTROIDS_ACTUAL + 15) / 16) * 16;
 static constexpr unsigned int SIMD_SIZE = 16;
-static constexpr unsigned int NUM_ITERATIONS = 21;
+static constexpr unsigned int NUM_ITERATIONS = 7;
 
 typedef struct {
   float x;