kernel.h

#ifndef MARLIN_NAMESPACE_NAME
#define MARLIN_NAMESPACE_NAME marlin
#endif

#include "marlin.cuh"
#include "marlin_dtypes.cuh"
#include "scalar_type.hpp"

#define MARLIN_KERNEL_PARAMS                                                                                         \
  const int4 *__restrict__ A, const int4 *__restrict__ B, int4 *__restrict__ C, int4 *__restrict__ C_tmp,            \
      const int4 *__restrict__ scales_ptr, const uint16_t *__restrict__ scale2_ptr, const int4 *__restrict__ zp_ptr, \
      const int *__restrict__ g_idx, int num_groups, int prob_m, int prob_n, int prob_k, int lda, int *locks,        \
      bool use_atomic_add, bool use_fp32_reduce, int max_shared_mem

namespace MARLIN_NAMESPACE_NAME {
template <
    typename scalar_t,                     // compute dtype, half or nv_float16
    const sglang::ScalarTypeId w_type_id,  // weight ScalarType id
    const int threads,                     // number of threads in a threadblock
    const int thread_m_blocks,             // number of 16x16 blocks in the m
                                           // dimension (batchsize) of the
                                           // threadblock
    const int thread_n_blocks,             // same for n dimension (output)
    const int thread_k_blocks,             // same for k dimension (reduction)
    const bool m_block_size_8,             // whether m_block_size == 8
                                           // only works when thread_m_blocks == 1
    const int stages,                      // number of stages for the async global->shared
                                           // fetch pipeline
    const int group_blocks,                // number of consecutive 16x16 blocks
                                           // with a separate quantization scale
    const bool is_zp_float                 // is zero point of float16 type?
    >
__global__ void Marlin(MARLIN_KERNEL_PARAMS);

}