| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| |
| # cython: profile=True |
| |
| """ For internal use only. No backwards compatibility guarantees.""" |
| |
| cimport cython |
| from libc.stdint cimport int64_t |
| |
| |
| # 3 buckets for every power of ten -> 1, 2, 5 |
| cdef enum: |
| BUCKET_PER_TEN = 3 |
| |
| # Assume the max input is max(int64_t), then the possible max bucket size is 59 |
| cdef enum: |
| MAX_BUCKET_SIZE = 59 |
| |
| cdef class DataflowDistributionCounter(object): |
| cdef public int64_t min |
| cdef public int64_t max |
| cdef public int64_t count |
| cdef public int64_t sum |
| cdef int64_t* buckets |
| cdef public bint is_cythonized |
| cpdef bint add_input(self, int64_t element) except -1 |
| cdef int64_t _fast_calculate_bucket_index(self, int64_t element) |
| cpdef void translate_to_histogram(self, histogram) |
| cpdef bint add_inputs_for_test(self, elements) except -1 |
| cpdef int64_t calculate_bucket_index(self, int64_t element) |
| cpdef merge(self, accumulators) |
