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ggml-cpu: sycl: Re-enable exp f16 #14462

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Merged
merged 2 commits into from
Jun 30, 2025
Merged

ggml-cpu: sycl: Re-enable exp f16 #14462

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27c2c8d
ggml-cpu: sycl: Enable exp f16
Rbiessy Jun 30, 2025
2129770
Fix comment
Rbiessy Jun 30, 2025
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5 changes: 5 additions & 0 deletions ggml/src/ggml-cpu/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -589,4 +589,9 @@ function(ggml_add_cpu_backend_variant_impl tag_name)
if (EMSCRIPTEN)
set_target_properties(${GGML_CPU_NAME} PROPERTIES COMPILE_FLAGS "-msimd128")
endif()

if (CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
# The compiler automatically enables "-ffast-math" which can cause NaNs in tests due to "-fassociative-math"
target_compile_options(${GGML_CPU_NAME} PRIVATE "-fno-associative-math")
endif()
endfunction()
4 changes: 1 addition & 3 deletions ggml/src/ggml-sycl/ggml-sycl.cpp
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Expand Up @@ -4215,6 +4215,7 @@ static bool ggml_backend_sycl_device_supports_op(ggml_backend_dev_t dev, const g
case GGML_UNARY_OP_GELU_QUICK:
case GGML_UNARY_OP_GELU_ERF:
case GGML_UNARY_OP_TANH:
case GGML_UNARY_OP_EXP:
case GGML_UNARY_OP_SGN:
case GGML_UNARY_OP_ABS:
case GGML_UNARY_OP_ELU:
Expand All @@ -4223,9 +4224,6 @@ static bool ggml_backend_sycl_device_supports_op(ggml_backend_dev_t dev, const g
#else
return ggml_is_contiguous(op->src[0]) && (op->src[0]->type == GGML_TYPE_F32 && op->type == GGML_TYPE_F32) && (op->type == op->src[0]->type);
#endif
case GGML_UNARY_OP_EXP:
// Disable FP16 until we find out the root cause of failing fp16 sycl::exp
return ggml_is_contiguous(op->src[0]) && (op->type == op->src[0]->type) && op->src[0]->type == GGML_TYPE_F32;
default:
return false;
}
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