From b514d9e6dfceafb83cebcbb0c7ef4728b2ff0401 Mon Sep 17 00:00:00 2001
From: "Claudius \"keldu\" Holeksa" <mail@keldu.de>
Date: Tue, 18 Nov 2025 22:46:33 +0100
Subject: Sycl mixed precision prep

---
 modules/remote-sycl/benchmarks/SConscript          |  7 ++++-
 .../benchmarks/mixed_precision_alternative.cpp     | 35 ++++++++++++++++++++++
 modules/remote-sycl/tests/data_ref.cpp             | 13 ++++----
 3 files changed, 48 insertions(+), 7 deletions(-)
 create mode 100644 modules/remote-sycl/benchmarks/mixed_precision_alternative.cpp

diff --git a/modules/remote-sycl/benchmarks/SConscript b/modules/remote-sycl/benchmarks/SConscript
index 434993c..e88c1bd 100644
--- a/modules/remote-sycl/benchmarks/SConscript
+++ b/modules/remote-sycl/benchmarks/SConscript
@@ -28,8 +28,13 @@ benchmarks_sycl_env.add_source_files(sycl_objects, ['kernel_mixed_precision.cpp'
 objects_static = []
 benchmarks_env.sycl_basic = benchmarks_env.Program('#bin/benchmark_mixed_precision', ['mixed_precision.cpp', env.library_static, sycl_objects]);
 
+benchmarks_env.mixed_alt = benchmarks_sycl_env.Program('#bin/benchmark_mixed_precision_alternative', ['mixed_precision_alternative.cpp', env.library_static]);
+
 # Set Alias
-env.benchmarks = [benchmarks_env.sycl_basic];
+env.benchmarks = [
+	benchmarks_env.sycl_basic,
+	benchmarks_env.mixed_alt
+];
 env.Alias('benchmarks', env.benchmarks);
 
 if env["build_benchmarks"]:
diff --git a/modules/remote-sycl/benchmarks/mixed_precision_alternative.cpp b/modules/remote-sycl/benchmarks/mixed_precision_alternative.cpp
new file mode 100644
index 0000000..e1a1e90
--- /dev/null
+++ b/modules/remote-sycl/benchmarks/mixed_precision_alternative.cpp
@@ -0,0 +1,35 @@
+#include "../c++/data.hpp"
+
+namespace sch {
+using namespace saw::schema;
+}
+
+template<typename T>
+void inner_work(){
+	acpp::sycl::queue sycl_q;
+
+	constexpr uint64_t dat_size = 10000u;
+
+	data<sch::Array<T>, encode::Sycl<encode::Native>> dat{{{dat_size}},sycl_q};
+	data<sch::Ref<sch::Array<T>>, encode::Sycl<encode::Native>> dat_ref{dat};
+	auto dat_ptr = dat_ref.get_internal_data();
+
+	sycl_q.parallel_for(dat_size, [=](acpp::sycl::id<1> idx){
+		size_t i = idx[0];
+
+		dat_ptr[i] = {i};
+	}).wait();
+
+	for(uint64_t i = 0u; i < dat_size; ++i){
+		SAW_EXPECT(dat_ptr[i].get() == i, std::string{"Unexpected value: "} + std::to_string(i));
+	}
+
+}
+
+int main(){
+	using namespace saw;
+	inner_work<sch::Float32>();
+	inner_work<sch::Float64>();
+	inner_work<sch::MixedPrecision<sch::Float64,sch::Float32>>();
+	return 0;
+}
diff --git a/modules/remote-sycl/tests/data_ref.cpp b/modules/remote-sycl/tests/data_ref.cpp
index 8fb5be4..e92c693 100644
--- a/modules/remote-sycl/tests/data_ref.cpp
+++ b/modules/remote-sycl/tests/data_ref.cpp
@@ -12,20 +12,21 @@ SAW_TEST("Data Ref Basics"){
 
 	acpp::sycl::queue sycl_q;
 
-	data<sch::Array<sch::Float64>, encode::Sycl<encode::Native>> dat{{{100u}},sycl_q};
+	constexpr uint64_t dat_size = 1000u;
 
-	data<sch::Ref<sch::Array<sch::Float64>>, encode::Sycl<encode::Native>> dat_ref{dat};
+	data<sch::Array<sch::UInt64>, encode::Sycl<encode::Native>> dat{{{dat_size}},sycl_q};
+
+	data<sch::Ref<sch::Array<sch::UInt64>>, encode::Sycl<encode::Native>> dat_ref{dat};
 	auto dat_ptr = dat_ref.get_internal_data();
 
-	sycl_q.parallel_for(100u, [=](acpp::sycl::id<1> idx){
+	sycl_q.parallel_for(dat_size, [=](acpp::sycl::id<1> idx){
 		size_t i = idx[0];
 
-		dat_ptr[i] = {static_cast<double>(i)};
+		dat_ptr[i] = {i};
 	}).wait();
 
-	for(uint64_t i = 0u; i < 100u; ++i){
+	for(uint64_t i = 0u; i < dat_size; ++i){
 		SAW_EXPECT(dat_ptr[i].get() == i, std::string{"Unexpected value: "} + std::to_string(i));
 	}
 }
-
 }
-- 
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