Revert "performance: increase cl buffer pool size"

This reverts commit 6e67271454.

Signed-off-by: Compute-Runtime-Validation <compute-runtime-validation@intel.com>

shared/source/utilities/buffer_pool_allocator.h

@@ -8,7 +8,6 @@
 #pragma once
 #include "shared/source/helpers/constants.h"
 #include "shared/source/helpers/non_copyable_or_moveable.h"
-#include "shared/source/utilities/buffer_pool_params.h"
 #include "shared/source/utilities/stackvec.h"
 
 #include <functional>
@@ -24,6 +23,31 @@ class HeapAllocator;
 class MemoryManager;
 class ProductHelper;
 
+struct SmallBuffersParams {
+    size_t aggregatedSmallBuffersPoolSize{0};
+    size_t smallBufferThreshold{0};
+    size_t chunkAlignment{0};
+    size_t startingOffset{0};
+
+    static SmallBuffersParams getDefaultParams() {
+        return {
+            .aggregatedSmallBuffersPoolSize = 2 * MemoryConstants::megaByte,
+            .smallBufferThreshold = 1 * MemoryConstants::megaByte,
+            .chunkAlignment = MemoryConstants::pageSize64k,
+            .startingOffset = MemoryConstants::pageSize64k};
+    }
+
+    static SmallBuffersParams getLargePagesParams() {
+        return {
+            .aggregatedSmallBuffersPoolSize = 16 * MemoryConstants::megaByte,
+            .smallBufferThreshold = 2 * MemoryConstants::megaByte,
+            .chunkAlignment = MemoryConstants::pageSize64k,
+            .startingOffset = MemoryConstants::pageSize64k};
+    }
+
+    static inline SmallBuffersParams getPreferredBufferPoolParams(const ProductHelper &productHelper);
+};
+
 template <typename PoolT, typename BufferType, typename BufferParentType = BufferType>
 struct AbstractBuffersPool : public NonCopyableClass {
     // The prototype of a function allocating the `mainStorage` is not specified.

shared/source/utilities/buffer_pool_allocator.inl

@@ -14,6 +14,10 @@
 
 namespace NEO {
 
+inline SmallBuffersParams SmallBuffersParams::getPreferredBufferPoolParams(const ProductHelper &productHelper) {
+    return productHelper.is2MBLocalMemAlignmentEnabled() ? SmallBuffersParams::getLargePagesParams() : SmallBuffersParams::getDefaultParams();
+}
+
 template <typename PoolT, typename BufferType, typename BufferParentType>
 AbstractBuffersPool<PoolT, BufferType, BufferParentType>::AbstractBuffersPool(MemoryManager *memoryManager, OnChunkFreeCallback onChunkFreeCb)
     : AbstractBuffersPool<PoolT, BufferType, BufferParentType>::AbstractBuffersPool(memoryManager, onChunkFreeCb, SmallBuffersParams::getDefaultParams()) {}

shared/source/utilities/buffer_pool_params.h

@@ -1,22 +0,0 @@
-/*
- * Copyright (C) 2025 Intel Corporation
- *
- * SPDX-License-Identifier: MIT
- *
- */
-
-#pragma once
-#include "shared/source/helpers/constants.h"
-
-namespace NEO {
-
-struct SmallBuffersParams {
-    size_t aggregatedSmallBuffersPoolSize{0};
-    size_t smallBufferThreshold{0};
-    size_t chunkAlignment{0};
-    size_t startingOffset{0};
-
-    static SmallBuffersParams getDefaultParams();
-};
-
-} // namespace NEO