cache/prefetch/signature_path.hh

60     /** Number of strides stored in each pattern entry */
71     /** Signature entry data type */
84     /** A stride entry with its counter */
94     /** Pattern entry data type, a set of stride and counter entries */
108             for (auto &entry : strideEntries) {
109                 entry.counter.reset();
110                 entry.stride = 0;
116          * Returns the entry with the desired stride
118          * @result a pointer to the entry, if the stride was found, or nullptr,
124             for (auto &entry : strideEntries) {
125                 if (entry.stride == stride) {
126                     found_entry = &entry;
134          * Gets the entry with the provided stride, if there is no entry with
137          * @result reference to the selected entry
178      * it allocates a new one, replacing an existing entry if needed
180      * path confidence of the corresponding entry
184      * @param miss if the entry is not found, this will be set to true
193      * not found, it allocates a new one, replacing an existing entry if needed
194      * @param signature the signature of the desired entry
203      *        pattern table entry
208      * Computes the lookahead path confidence of the provided pattern entry
217      * Computes the prefetch confidence of the provided pattern entry
219      * @param entry PatternStrideEntry within the provided PatternEntry
223             PatternStrideEntry const &entry) const;
235      * signature to be used with the new entry, the resulting stride and the
236      * initial path confidence of the new entry.
238               entry
239      * @param new_signature new signature of the allocated entry
240      * @param new_conf the initial path confidence of this entry
256      *        their filter has been updated, if this call updates a new entry