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c18eecbe5c
The speed of the merged_iter_pqueue_add() can be improved by using a pointer to the pq_entry struct, which is 96 bytes. Since the pq_entry param is worked directly on the stack and does not currently have a pointer to it, the merged_iter_pqueue_add() function is slightly slower. References to pq_entry in reftable have typically included pointers, such as both of the params for pq_less(). Since we are working with pointers in the pq_entry param, as keenly pointed out, the pq_entry param has also been made into a const since the contents of the pq_entry param are copied and not manipulated. Signed-off-by: Elijah Conners <business@elijahpepe.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
34 lines
864 B
C
34 lines
864 B
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#ifndef PQ_H
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#define PQ_H
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#include "record.h"
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struct pq_entry {
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int index;
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struct reftable_record rec;
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};
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struct merged_iter_pqueue {
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struct pq_entry *heap;
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size_t len;
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size_t cap;
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};
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struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq);
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int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq);
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void merged_iter_pqueue_check(struct merged_iter_pqueue pq);
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struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq);
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void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry *e);
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void merged_iter_pqueue_release(struct merged_iter_pqueue *pq);
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int pq_less(struct pq_entry *a, struct pq_entry *b);
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#endif
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