[CK TILE] Enable CK TILE Conv Fwd tests in CI and fix check_err (#3624)

* [CK TILE] Enable CK TILE Conv Fwd tests in CI and fix check_err

* Update test_grouped_convnd_fwd_tile.cpp

* Update test_grouped_convnd_fwd_tile.cpp

* Update conv_tuning_params.hpp

* clang format fix

* Update CMakeLists.txt

experimental/builder/include/ck_tile/builder/testing/validation.hpp

@@ -51,6 +51,9 @@ struct ValidationReport
         /// The number of elements which were bitwise 0.
         uint64_t zero_elements;
 
+        // Max error.
+        double max_error;
+
         /// @brief Check whether both the output and reference tensor were both all zeros.
         ///
         /// If both tensors are all zero, it indicates either an incorrect testing setup
@@ -133,11 +136,12 @@ bool ValidationReport::check(std::string_view tensor_name,
     // Initial pass: count errors
 
     // Allocate and reset counter
-    auto d_counters = alloc_buffer(sizeof(uint64_t) * 2);
-    check_hip(hipMemset(d_counters.get(), 0, sizeof(uint64_t) * 2));
+    auto d_counters = alloc_buffer(sizeof(uint64_t) * 3);
+    check_hip(hipMemset(d_counters.get(), 0, sizeof(uint64_t) * 3));
 
     auto d_error_count = &reinterpret_cast<uint64_t*>(d_counters.get())[0];
     auto d_zero_count  = &reinterpret_cast<uint64_t*>(d_counters.get())[1];
+    auto d_max_error   = &reinterpret_cast<double*>(d_counters.get())[2];
 
     tensor_foreach(descriptor.get_lengths(), [=](auto index) {
         using CKType = typename factory::internal::DataTypeToCK<DT>::type;
@@ -157,6 +161,7 @@ bool ValidationReport::check(std::string_view tensor_name,
         const auto r   = static_cast<double>(type_convert<float>(b));
         const auto err = std::abs(o - r);
 
+        atomicMax(d_max_error, err);
         if(err > atol + rtol * std::abs(r) || !std::isfinite(o) || !std::isfinite(r))
         {
             // We expect the number of errors to be very low, so just use an atomic
@@ -188,6 +193,8 @@ bool ValidationReport::check(std::string_view tensor_name,
     check_hip(hipMemcpy(&error_count, d_error_count, sizeof(uint64_t), hipMemcpyDeviceToHost));
     uint64_t zero_count = 0;
     check_hip(hipMemcpy(&zero_count, d_zero_count, sizeof(uint64_t), hipMemcpyDeviceToHost));
+    double max_error = 0;
+    check_hip(hipMemcpy(&max_error, d_max_error, sizeof(double), hipMemcpyDeviceToHost));
 
     // TODO: Gather detailed coordinates.
 
@@ -196,6 +203,7 @@ bool ValidationReport::check(std::string_view tensor_name,
         .wrong_elements = error_count,
         .total_elements = descriptor.get_element_size(),
         .zero_elements  = zero_count,
+        .max_error      = max_error,
     });
 
     return reports_.back().is_ok();