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Exercise cooperative matrix operations #69

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Exercise cooperative matrix operations #69

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1 change: 1 addition & 0 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -399,6 +399,7 @@ vulkan_test(memory_tracking_1)

if (NOT MOCK_DRIVER MATCHES "1")
vulkan_test(cooperative_matrix)
vulkan_test(cooperative_matrix_math)
vulkan_test(address_remap_test_1)
endif()

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23 changes: 23 additions & 0 deletions benchmarking/vulkan_cooperative_matrix_math.bench
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@per-mathisen-arm per-mathisen-arm Jun 16, 2026

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Please include a minimal bench JSON here.

@roman-berger-arm roman-berger-arm Jun 16, 2026

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Added mandatory fields and applicable capabilities

Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
{
"name": "vulkan_cooperative_matrix_math",
"description": "Run a compute shader that exercises instructions related to VK_KHR_cooperative_matrix",
"path": "build/vulkan_cooperative_matrix_math",
"capabilities": {
"non_interactive": {
"default": true,
"modifiable": false
},
"frameless": {
"default": true,
"modifiable": false
},
"gpu_fully_deterministic": {
"default": true,
"modifiable": false
},
"file_output": {
"default": false,
"modifiable": false,
},
}
}
63 changes: 63 additions & 0 deletions src/vulkan_cooperative_matrix_math.comp
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@@ -0,0 +1,63 @@
#version 460
#extension GL_KHR_memory_scope_semantics : require
#extension GL_KHR_cooperative_matrix : require

struct MatrixData {
int[256] signed_values;
uint[256] unsigned_values;
};

layout(local_size_x=32, local_size_y=32, local_size_z=1) in;

layout(set = 0, binding = 0) readonly buffer InputBuffer
{
MatrixData in_data;
};

layout(set = 0, binding = 1) buffer OutputBuffer
{
MatrixData out_data;
};

void main()
{
coopmat<int, gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator> signed_matrix;
coopmat<uint, gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator> unsigned_matrix;
coopmat<float,gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator> float_matrix;

coopMatLoad(signed_matrix,
in_data.signed_values,
0,
16,
gl_CooperativeMatrixLayoutRowMajor);
coopMatLoad(unsigned_matrix,
in_data.unsigned_values,
0,
16,
gl_CooperativeMatrixLayoutRowMajor);

float_matrix = coopmat<float,gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator>(signed_matrix);
float_matrix = -float_matrix;

signed_matrix = signed_matrix - coopmat<int, gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator>(float_matrix);
signed_matrix = signed_matrix + signed_matrix;
signed_matrix = signed_matrix * signed_matrix;
signed_matrix = signed_matrix / signed_matrix;

unsigned_matrix = unsigned_matrix - coopmat<uint, gl_ScopeSubgroup, 16, 16, gl_MatrixUseAccumulator>(float_matrix);
unsigned_matrix = unsigned_matrix + unsigned_matrix;
unsigned_matrix = unsigned_matrix * unsigned_matrix;
unsigned_matrix = unsigned_matrix / unsigned_matrix;

coopMatStore(signed_matrix,
out_data.signed_values,
0,
16,
gl_CooperativeMatrixLayoutRowMajor);

coopMatStore(unsigned_matrix,
out_data.unsigned_values,
0,
16,
gl_CooperativeMatrixLayoutRowMajor);
}
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