performance: disable cpu caching for buffers on PTL

smorek-intel · Compute-Runtime-Automation · commit 681ef3693a5d · 2025-02-21T13:07:04.000+01:00
Related-To: NEO-14168

Signed-off-by: Szymon Morek &lt;szymon.morek@intel.com&gt;
diff --git a/shared/source/xe3_core/ptl/os_agnostic_product_helper_ptl.inl b/shared/source/xe3_core/ptl/os_agnostic_product_helper_ptl.inl
@@ -29,4 +29,9 @@ bool ProductHelperHw<gfxProduct>::isDirectSubmissionSupported(ReleaseHelper *rel
     return true;
 }
 
+template <>
+bool ProductHelperHw<gfxProduct>::isCachingOnCpuAvailable() const {
+    return false;
+}
+
 } // namespace NEO
diff --git a/shared/test/unit_test/xe3_core/ptl/product_helper_tests_ptl.cpp b/shared/test/unit_test/xe3_core/ptl/product_helper_tests_ptl.cpp
@@ -43,3 +43,7 @@ PTLTEST_F(PtlProductHelper, givenCompilerProductHelperWhenGetMidThreadPreemption
 PTLTEST_F(PtlProductHelper, givenProductHelperWhenCheckDirectSubmissionSupportedThenTrueIsReturned) {
     EXPECT_TRUE(productHelper->isDirectSubmissionSupported(releaseHelper));
 }
+
+PTLTEST_F(PtlProductHelper, givenProductHelperWhenCallIsCachingOnCpuAvailableThenFalseIsReturned) {
+    EXPECT_FALSE(productHelper->isCachingOnCpuAvailable());
+}

Original file line number	Diff line number	Diff line change
`@@ -29,4 +29,9 @@ bool ProductHelperHw<gfxProduct>::isDirectSubmissionSupported(ReleaseHelper *rel`
`29`	`29`	`return true;`
`30`	`30`	`}`
`31`	`31`
	`32`	`+template <>`
	`33`	`+bool ProductHelperHw<gfxProduct>::isCachingOnCpuAvailable() const {`
	`34`	`+ return false;`
	`35`	`+}`
	`36`	`+`
`32`	`37`	`} // namespace NEO`
Original file line number	Diff line number	Diff line change
`@@ -43,3 +43,7 @@ PTLTEST_F(PtlProductHelper, givenCompilerProductHelperWhenGetMidThreadPreemption`
`43`	`43`	`PTLTEST_F(PtlProductHelper, givenProductHelperWhenCheckDirectSubmissionSupportedThenTrueIsReturned) {`
`44`	`44`	`EXPECT_TRUE(productHelper->isDirectSubmissionSupported(releaseHelper));`
`45`	`45`	`}`
	`46`	`+`
	`47`	`+PTLTEST_F(PtlProductHelper, givenProductHelperWhenCallIsCachingOnCpuAvailableThenFalseIsReturned) {`
	`48`	`+ EXPECT_FALSE(productHelper->isCachingOnCpuAvailable());`
	`49`	`+}`