Switch to experimental dpex kernel

dpbench/benchmarks/black_scholes/black_scholes_numba_dpex_k.py

@@ -4,16 +4,19 @@
 
 from math import erf, exp, log, sqrt
 
-import numba_dpex as dpex
+import numba_dpex.experimental as dpex
+from numba_dpex import kernel_api as kapi
 
 
 @dpex.kernel
-def _black_scholes_kernel(nopt, price, strike, t, rate, volatility, call, put):
+def _black_scholes_kernel(
+    item: kapi.Item, nopt, price, strike, t, rate, volatility, call, put
+):
     dtype = price.dtype
     mr = -rate
     sig_sig_two = volatility * volatility * dtype.type(2)
 
-    i = dpex.get_global_id(0)
+    i = item.get_id(0)
 
     P = price[i]
     S = strike[i]
@@ -40,6 +43,15 @@ def _black_scholes_kernel(nopt, price, strike, t, rate, volatility, call, put):
 
 
 def black_scholes(nopt, price, strike, t, rate, volatility, call, put):
-    _black_scholes_kernel[dpex.Range(nopt)](
-        nopt, price, strike, t, rate, volatility, call, put
+    dpex.call_kernel(
+        _black_scholes_kernel,
+        kapi.Range(nopt),
+        nopt,
+        price,
+        strike,
+        t,
+        rate,
+        volatility,
+        call,
+        put,
     )

dpbench/benchmarks/dbscan/dbscan_numba_dpex_k.py

@@ -4,8 +4,9 @@
 
 import dpnp as np
 import numba as nb
-import numba_dpex as dpex
+import numba_dpex.experimental as dpex
 import numpy
+from numba_dpex import kernel_api as kapi
 
 NOISE = -1
 UNDEFINED = -2
@@ -50,8 +51,10 @@ def _queue_empty(head, tail):
 
 
 @dpex.kernel
-def get_neighborhood(n, dim, data, eps, ind_lst, sz_lst, block_size, nblocks):
-    i = dpex.get_global_id(0)
+def get_neighborhood(
+    item: kapi.Item, n, dim, data, eps, ind_lst, sz_lst, block_size, nblocks
+):
+    i = item.get_id(0)
 
     start = i * block_size
     stop = n if i + 1 == nblocks else start + block_size
@@ -130,7 +133,9 @@ def dbscan(n_samples, n_features, data, eps, min_pts):
     )
     sizes = np.zeros_like(data, shape=n_samples, dtype=np.int64)
 
-    get_neighborhood[dpex.Range(n_samples)](
+    dpex.call_kernel(
+        get_neighborhood,
+        kapi.Range(n_samples),
         n_samples,
         n_features,
         data,

dpbench/benchmarks/gpairs/gpairs_numba_dpex_k.py

@@ -3,12 +3,15 @@
 # SPDX-License-Identifier: Apache-2.0
 
 import numba_dpex as dpex
+import numba_dpex.experimental as dpexexp
+from numba_dpex import kernel_api as kapi
 
 # This implementation is numba dpex kernel version with atomics.
 
 
-@dpex.kernel
+@dpexexp.kernel
 def count_weighted_pairs_3d_intel_no_slm_ker(
+    nd_item: kapi.NdItem,
     n,
     nbins,
     slm_hist_size,
@@ -25,14 +28,14 @@ def count_weighted_pairs_3d_intel_no_slm_ker(
     result,
 ):
     dtype = x0.dtype
-    lid0 = dpex.get_local_id(0)
-    gr0 = dpex.get_group_id(0)
+    lid0 = nd_item.get_local_id(0)
+    gr0 = nd_item.get_group().get_group_id(0)
 
-    lid1 = dpex.get_local_id(1)
-    gr1 = dpex.get_group_id(1)
+    lid1 = nd_item.get_local_id(1)
+    gr1 = nd_item.get_group().get_group_id(1)
 
-    lws0 = dpex.get_local_size(0)
-    lws1 = dpex.get_local_size(1)
+    lws0 = nd_item.get_local_range(0)
+    lws1 = nd_item.get_local_range(1)
 
     n_wi = 20
 
@@ -107,7 +110,8 @@ def count_weighted_pairs_3d_intel_no_slm_ker(
 
         pk = k
         for p in range(private_hist_size):
-            dpex.atomic.add(result, pk, private_hist[p])
+            result_aref = kapi.AtomicRef(result, index=pk)
+            result_aref.fetch_add(private_hist[p])
             pk += 1
 
 
@@ -147,7 +151,9 @@ def gpairs(
         ceiling_quotient(nbins, private_hist_size) * private_hist_size
     )
 
-    count_weighted_pairs_3d_intel_no_slm_ker[dpex.NdRange(gwsRange, lwsRange)](
+    dpexexp.call_kernel(
+        count_weighted_pairs_3d_intel_no_slm_ker,
+        kapi.NdRange(dpex.Range(*gwsRange), dpex.Range(*lwsRange)),
         nopt,
         nbins,
         slm_hist_size,

dpbench/benchmarks/kmeans/kmeans_numba_dpex_k.py

@@ -6,9 +6,9 @@
 from math import sqrt
 
 import numba_dpex as dpex
-import numpy
+import numba_dpex.experimental as dpexexp
 from dpctl import tensor as dpt
-from numba_dpex import NdRange
+from numba_dpex import kernel_api as kapi
 
 
 def DivUp(numerator, denominator):
@@ -25,9 +25,15 @@ def getGroupByCluster(  # noqa: C901
 ):
     local_copies = min(4, max(1, DivUp(local_size_, num_centroids)))
 
-    @dpex.kernel
+    @dpexexp.kernel
     def groupByCluster(
-        arrayP, arrayPcluster, arrayC, NewCentroids, NewCount, last
+        nd_item: kapi.NdItem,
+        arrayP,
+        arrayPcluster,
+        arrayC,
+        NewCentroids,
+        NewCount,
+        last,
     ):
         numpoints = arrayP.shape[0]
         localCentroids = dpex.local.array((dims, num_centroids), dtype=dtyp)
@@ -38,9 +44,9 @@ def groupByCluster(
             (local_copies, num_centroids), dtype=dpt.int32
         )
 
-        grid = dpex.get_group_id(0)
-        lid = dpex.get_local_id(0)
-        local_size = dpex.get_local_size(0)
+        grid = nd_item.get_group().get_group_id(0)
+        lid = nd_item.get_local_id(0)
+        local_size = nd_item.get_local_range(0)
 
         for i in range(lid, num_centroids * dims, local_size):
             localCentroids[i % dims, i // dims] = arrayC[i // dims, i % dims]
@@ -51,7 +57,7 @@ def groupByCluster(
             for lc in range(local_copies):
                 localNewCount[lc, c] = 0
 
-        dpex.barrier(dpex.LOCAL_MEM_FENCE)
+        kapi.group_barrier(nd_item.get_group())
 
         for i in range(WorkPI):
             point_id = grid * WorkPI * local_size + i * local_size + lid
@@ -73,44 +79,59 @@ def groupByCluster(
 
                 lc = lid % local_copies
                 for d in range(dims):
-                    dpex.atomic.add(
-                        localNewCentroids, (lc, d, nearest_centroid), localP[d]
+                    localNewCentroids_aref = kapi.AtomicRef(
+                        localNewCentroids,
+                        index=(lc, d, nearest_centroid),
+                        address_space=kapi.AddressSpace.LOCAL,
                     )
+                    localNewCentroids_aref.fetch_add(localP[d])
 
-                dpex.atomic.add(localNewCount, (lc, nearest_centroid), 1)
+                localNewCount_aref = kapi.AtomicRef(
+                    localNewCount,
+                    index=(lc, nearest_centroid),
+                    address_space=kapi.AddressSpace.LOCAL,
+                )
+                localNewCount_aref.fetch_add(1)
 
                 if last:
                     arrayPcluster[point_id] = nearest_centroid
 
-        dpex.barrier(dpex.LOCAL_MEM_FENCE)
+        kapi.group_barrier(nd_item.get_group())
 
         for i in range(lid, num_centroids * dims, local_size):
             local_centroid_d = dtyp.type(0)
             for lc in range(local_copies):
                 local_centroid_d += localNewCentroids[lc, i % dims, i // dims]
 
-            dpex.atomic.add(
-                NewCentroids,
-                (i // dims, i % dims),
-                local_centroid_d,
+            NewCentroids_aref = kapi.AtomicRef(
+                NewCentroids, index=(i // dims, i % dims)
             )
+            NewCentroids_aref.fetch_add(local_centroid_d)
 
         for c in range(lid, num_centroids, local_size):
             local_centroid_npoints = dpt.int32.type(0)
             for lc in range(local_copies):
                 local_centroid_npoints += localNewCount[lc, c]
 
-            dpex.atomic.add(NewCount, c, local_centroid_npoints)
+            NewCount_aref = kapi.AtomicRef(NewCount, index=c)
+            NewCount_aref.fetch_add(local_centroid_npoints)
 
     return groupByCluster
 
 
 @lru_cache(maxsize=1)
 def getUpdateCentroids(dims, num_centroids, dtyp, local_size_):
-    @dpex.kernel
-    def updateCentroids(diff, arrayC, arrayCnumpoint, NewCentroids, NewCount):
-        lid = dpex.get_local_id(0)
-        local_size = dpex.get_local_size(0)
+    @dpexexp.kernel
+    def updateCentroids(
+        nd_item: kapi.NdItem,
+        diff,
+        arrayC,
+        arrayCnumpoint,
+        NewCentroids,
+        NewCount,
+    ):
+        lid = nd_item.get_local_id(0)
+        local_size = nd_item.get_local_range(0)
 
         local_distance = dpex.local.array(local_size_, dtype=dtyp)
 
@@ -134,7 +155,7 @@ def updateCentroids(diff, arrayC, arrayCnumpoint, NewCentroids, NewCount):
             max_distance = max(max_distance, distance)
             local_distance[c] = max_distance
 
-        dpex.barrier(dpex.LOCAL_MEM_FENCE)
+        kapi.group_barrier(nd_item.get_group())
 
         if lid == 0:
             for c in range(local_size):
@@ -147,19 +168,19 @@ def updateCentroids(diff, arrayC, arrayCnumpoint, NewCentroids, NewCount):
 
 @lru_cache(maxsize=1)
 def getUpdateLabels(dims, num_centroids, dtyp, WorkPI):
-    @dpex.kernel
-    def updateLabels(arrayP, arrayPcluster, arrayC):
+    @dpexexp.kernel
+    def updateLabels(nd_item: kapi.NdItem, arrayP, arrayPcluster, arrayC):
         numpoints = arrayP.shape[0]
         localCentroids = dpex.local.array((dims, num_centroids), dtype=dtyp)
 
-        grid = dpex.get_group_id(0)
-        lid = dpex.get_local_id(0)
-        local_size = dpex.get_local_size(0)
+        grid = nd_item.get_group().get_group_id(0)
+        lid = nd_item.get_local_id(0)
+        local_size = nd_item.get_local_range(0)
 
         for i in range(lid, num_centroids * dims, local_size):
             localCentroids[i % dims, i // dims] = arrayC[i // dims, i % dims]
 
-        dpex.barrier(dpex.LOCAL_MEM_FENCE)
+        kapi.group_barrier(nd_item.get_group())
 
         for i in range(WorkPI):
             point_id = grid * WorkPI * local_size + i * local_size + lid
@@ -224,19 +245,36 @@ def kmeans_kernel(
     for i in range(niters):
         last = i == (niters - 1)
         if diff_host < tolerance:
-            updateLabels[NdRange((global_size,), (local_size,))](
-                arrayP, arrayPcluster, arrayC
+            dpexexp.call_kernel(
+                updateLabels,
+                kapi.NdRange((global_size,), (local_size,)),
+                arrayP,
+                arrayPcluster,
+                arrayC,
             )
             break
 
-        groupByCluster[NdRange((global_size,), (local_size,))](
-            arrayP, arrayPcluster, arrayC, NewCentroids, NewCount, last
+        dpexexp.call_kernel(
+            groupByCluster,
+            kapi.NdRange((global_size,), (local_size,)),
+            arrayP,
+            arrayPcluster,
+            arrayC,
+            NewCentroids,
+            NewCount,
+            last,
         )
 
         update_centroid_size = min(num_centroids, local_size)
-        updateCentroids[
-            NdRange((update_centroid_size,), (update_centroid_size,))
-        ](diff, arrayC, arrayCnumpoint, NewCentroids, NewCount)
+        dpexexp.call_kernel(
+            updateCentroids,
+            kapi.NdRange((update_centroid_size,), (update_centroid_size,)),
+            diff,
+            arrayC,
+            arrayCnumpoint,
+            NewCentroids,
+            NewCount,
+        )
         diff_host = dpt.asnumpy(diff)[0]
 
 

dpbench/benchmarks/knn/knn_numba_dpex_k.py

@@ -5,11 +5,14 @@
 from math import sqrt
 
 import numba_dpex as dpex
+import numba_dpex.experimental as dpexexp
 import numpy as np
+from numba_dpex import kernel_api as kapi
 
 
-@dpex.kernel
+@dpexexp.kernel
 def _knn_kernel(  # noqa: C901: TODO: can we simplify logic?
+    item: kapi.Item,
     train,
     train_labels,
     test,
@@ -21,7 +24,7 @@ def _knn_kernel(  # noqa: C901: TODO: can we simplify logic?
     data_dim,
 ):
     dtype = train.dtype
-    i = dpex.get_global_id(0)
+    i = item.get_id(0)
     # here k has to be 5 in order to match with numpy
     queue_neighbors = dpex.private.array(shape=(5, 2), dtype=dtype)
 
@@ -106,7 +109,9 @@ def knn(
     votes_to_classes,
     data_dim,
 ):
-    _knn_kernel[dpex.Range(test_size)](
+    dpexexp.call_kernel(
+        _knn_kernel,
+        kapi.Range(test_size),
         x_train,
         y_train,
         x_test,

dpbench/benchmarks/l2_norm/l2_norm_numba_dpex_k.py

@@ -4,12 +4,13 @@
 
 import math
 
-import numba_dpex as dpex
+import numba_dpex.experimental as dpex
+from numba_dpex import kernel_api as kapi
 
 
 @dpex.kernel
-def l2_norm_kernel(a, d):
-    i = dpex.get_global_id(0)
+def l2_norm_kernel(item: kapi.Item, a, d):
+    i = item.get_id(0)
     a_rows = a.shape[1]
     d[i] = 0.0
     for k in range(a_rows):
@@ -18,4 +19,4 @@ def l2_norm_kernel(a, d):
 
 
 def l2_norm(a, d):
-    l2_norm_kernel[dpex.Range(a.shape[0])](a, d)
+    dpex.call_kernel(l2_norm_kernel, kapi.Range(a.shape[0]), a, d)