Function alloc_double_buffer

test/benchmark/benchmark_sse.h:89–89

int NOINLINE *alloc_int_buffer() { return always_true() ? (int*)aligned_alloc(16, (N+16)*sizeof(int)) : 0; }
float NOINLINE *alloc_float_buffer() { return always_true() ? (float*)aligned_alloc(16, (N+16)*sizeof(float)) : 0; }
double NOINLINE *alloc_double_buffer() { return always_true() ? (double*)aligned_alloc(16, (N+16)*sizeof(double)) : 0; }

template<typename T>
T checksum_dst(T *dst) {