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#pragma once
/**
* __device__ datatypes vectorized by 4
*/
// Include both AMD and NVIDIA fp8 types to avoid circular import
// TODO(luka/varun) use FP8_TYPE instead after refactoring
#include <c10/util/Float8_e4m3fnuz.h>
#include <c10/util/Float8_e4m3fn.h>
namespace vllm {
// Vectorization containers
template <typename scalar_t>
struct __align__(8) vec4_t {
scalar_t x;
scalar_t y;
scalar_t z;
scalar_t w;
};
template <typename quant_type_t>
struct __align__(4) q8x4_t {
static_assert(std::is_same_v<quant_type_t, int8_t> ||
std::is_same_v<quant_type_t, c10::Float8_e4m3fn> ||
std::is_same_v<quant_type_t, c10::Float8_e4m3fnuz>);
quant_type_t x;
quant_type_t y;
quant_type_t z;
quant_type_t w;
};
} // namespace vllm
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