gpu: nvidia: amd: generic: ignore check-ref-impl (#2427)

Author: sgeor255

tests/benchdnn/dnnl_common.cpp

@@ -864,6 +864,10 @@ int check_same_pd(const dnnl_primitive_desc_t &pd_no_attr, res_t *res) {
 int check_ref_impl_hit(res_t *res) {
     if (!check_ref_impl) return OK;
 
+    // Nvidia, AMD and Generic backends use reference implementations to fill
+    // gaps in feature support.
+    if (is_nvidia_gpu() || is_amd_gpu() || is_generic_gpu()) return OK;
+
     const auto &impl_name = res->impl_name;
     if (impl_name.find("ref") != std::string::npos) {
         res->state = FAILED;
@@ -918,6 +922,14 @@ bool is_amd_gpu(const dnnl_engine_t &engine) {
     return false;
 }
 
+bool is_generic_gpu(const dnnl_engine_t &engine) {
+#if defined(DNNL_WITH_SYCL) && DNNL_GPU_VENDOR == DNNL_VENDOR_GENERIC
+    return is_gpu(engine);
+#endif
+
+    return false;
+}
+
 bool is_f64_supported(const dnnl_engine_t &engine) {
     if (!is_gpu(engine)) return false;
     if (is_nvidia_gpu(engine) || is_amd_gpu(engine)) return false;

tests/benchdnn/dnnl_common.hpp

@@ -146,6 +146,7 @@ bool is_opencl_engine(const dnnl_engine_t &engine = get_test_engine());
 bool is_nvidia_gpu(const dnnl_engine_t &engine = get_test_engine());
 bool is_f64_supported(const dnnl_engine_t &engine = get_test_engine());
 bool is_amd_gpu(const dnnl_engine_t &engine = get_test_engine());
+bool is_generic_gpu(const dnnl_engine_t &engine = get_test_engine());
 
 // Extended version of dnnl_sycl_interop_memory_kind_t enumeration.
 enum class memory_kind_ext_t {

tests/benchdnn/doc/knobs_common.md

@@ -168,7 +168,8 @@ changes the implementation dispatching which is an undesired behavior. When
 string against the `ref` string pattern. When `BOOL` is set to `true`, the check
 returns an error if the name matches the reference pattern. By default, the
 check is disabled. It's useful to catch unexpected fallbacks to slow reference
-implementations from a big batch of problems.
+implementations from a big batch of problems. This option is always disabled on
+NVIDIA, AMD, and Generic vendors.
 
 ### --fast-ref
 `--fast-ref=BOOL` instructs the driver to use an optimized implementation