pub unsafe extern "C" fn scratch_cuda_integer_compress_radix_ciphertext_64(
streams: CudaStreamsFFI,
mem_ptr: *mut *mut i8,
compression_glwe_dimension: u32,
compression_polynomial_size: u32,
lwe_dimension: u32,
ks_level: u32,
ks_base_log: u32,
num_radix_blocks: u32,
message_modulus: u32,
carry_modulus: u32,
pbs_type: PBS_TYPE,
lwe_per_glwe: u32,
allocate_gpu_memory: bool,
) -> u64