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/*
* The MIT License
*
* Wavefront Alignment Algorithms
* Copyright (c) 2017 by Santiago Marco-Sola <santiagomsola@gmail.com>
*
* This file is part of Wavefront Alignment Algorithms.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* PROJECT: Wavefront Alignment Algorithms
* AUTHOR(S): Santiago Marco-Sola <santiagomsola@gmail.com>
* DESCRIPTION: Individual WaveFront data structure
*/
#include "utils/commons.h"
#include "system/mm_allocator.h"
#include "wavefront.h"
/*
* Setup
*/
void wavefront_allocate(
wavefront_t* const wavefront,
const int wf_elements_allocated,
const bool allocate_backtrace,
mm_allocator_t* const mm_allocator) {
// Allocate memory
wavefront->wf_elements_allocated = wf_elements_allocated;
wavefront->offsets_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,wf_offset_t,false);
if (allocate_backtrace) {
wavefront->bt_pcigar_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,pcigar_t,false);
wavefront->bt_prev_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,bt_block_idx_t,false);
} else {
wavefront->bt_pcigar_mem = NULL;
}
}
void wavefront_resize(
wavefront_t* const wavefront,
const int wf_elements_allocated,
mm_allocator_t* const mm_allocator) {
// Set new size
wavefront->wf_elements_allocated = wf_elements_allocated;
// Reallocate offsets (Content is lost)
mm_allocator_free(mm_allocator,wavefront->offsets_mem);
wavefront->offsets_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,wf_offset_t,false);
// Reallocate backtrace (Content is lost)
if (wavefront->bt_pcigar_mem) {
mm_allocator_free(mm_allocator,wavefront->bt_pcigar_mem);
mm_allocator_free(mm_allocator,wavefront->bt_prev_mem);
wavefront->bt_pcigar_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,pcigar_t,false);
wavefront->bt_prev_mem = mm_allocator_calloc(
mm_allocator,wf_elements_allocated,bt_block_idx_t,false);
}
}
void wavefront_free(
wavefront_t* const wavefront,
mm_allocator_t* const mm_allocator) {
mm_allocator_free(mm_allocator,wavefront->offsets_mem);
if (wavefront->bt_pcigar_mem) {
mm_allocator_free(mm_allocator,wavefront->bt_pcigar_mem);
mm_allocator_free(mm_allocator,wavefront->bt_prev_mem);
}
}
/*
* Initialization
*/
void wavefront_init(
wavefront_t* const wavefront,
const int min_lo,
const int max_hi) {
// Limits
wavefront->null = false;
wavefront->lo = 1;
wavefront->hi = -1;
// Elements
wavefront->offsets = wavefront->offsets_mem - min_lo; // Center at k=0
if (wavefront->bt_pcigar_mem) {
wavefront->bt_occupancy_max = 0;
wavefront->bt_pcigar = wavefront->bt_pcigar_mem - min_lo; // Center at k=0
wavefront->bt_prev = wavefront->bt_prev_mem - min_lo; // Center at k=0
}
// Internals
wavefront->wf_elements_allocated_min = min_lo;
wavefront->wf_elements_allocated_max = max_hi;
wavefront->wf_elements_init_min = 0;
wavefront->wf_elements_init_max = 0;
}
void wavefront_init_null(
wavefront_t* const wavefront,
const int min_lo,
const int max_hi) {
// Limits
wavefront->null = true;
wavefront->lo = 1;
wavefront->hi = -1;
// Elements
wavefront->offsets = wavefront->offsets_mem - min_lo; // Center at k=0
if (wavefront->bt_pcigar_mem) {
wavefront->bt_occupancy_max = 0;
wavefront->bt_pcigar = wavefront->bt_pcigar_mem - min_lo; // Center at k=0
wavefront->bt_prev = wavefront->bt_prev_mem - min_lo; // Center at k=0
}
// Initialize
const int wf_elements = WAVEFRONT_LENGTH(min_lo,max_hi);
int i;
for (i=0;i<wf_elements;++i) {
wavefront->offsets_mem[i] = WAVEFRONT_OFFSET_NULL;
}
if (wavefront->bt_pcigar_mem) { // TODO: Really needed?
memset(wavefront->bt_pcigar_mem,0,wf_elements*sizeof(pcigar_t));
memset(wavefront->bt_prev_mem,0,wf_elements*sizeof(bt_block_idx_t));
}
// Internals
wavefront->wf_elements_allocated_min = min_lo;
wavefront->wf_elements_allocated_max = max_hi;
wavefront->wf_elements_init_min = min_lo;
wavefront->wf_elements_init_max = max_hi;
}
void wavefront_init_victim(
wavefront_t* const wavefront,
const int min_lo,
const int max_hi) {
// Delegate init
wavefront_init(wavefront,min_lo,max_hi);
// Set Null
wavefront->null = true;
}
/*
* Accessors
*/
void wavefront_set_limits(
wavefront_t* const wavefront,
const int lo,
const int hi) {
// Set effective limits
wavefront->lo = lo;
wavefront->hi = hi;
// Set initialization limits (all elms beyond are treated as Nulls)
wavefront->wf_elements_init_min = lo;
wavefront->wf_elements_init_max = hi;
}
/*
* Utils
*/
uint64_t wavefront_get_size(
wavefront_t* const wavefront) {
uint64_t total_size = wavefront->wf_elements_allocated*sizeof(wf_offset_t);
if (wavefront->bt_pcigar_mem) {
total_size += wavefront->wf_elements_allocated*(sizeof(pcigar_t)+sizeof(bt_block_idx_t));
}
return total_size;
}
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