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generated from rpuzonas/raylib-cpp-template
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tune boid to boid buffer size and threshold

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Rokas Puzonas 2023-08-02 23:31:36 +03:00
parent c86e1f86bc
commit dc34800fac
1 changed files with 8 additions and 8 deletions
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16
src/world.cpp
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@ -225,6 +225,10 @@ static void world_calc_distances_and_angles(World *world, BoidList *local_boids,
int32_t *do_append_mask2_f32 = (int32_t*)arena_malloc(&world->frame_arena, sizeof(int32_t)*SIMD_32B_LANES, 32);
int simd_iteration_count = nearest_multiple(*b2b_cmps_count, SIMD_32B_LANES)/SIMD_32B_LANES;
for (int i = *b2b_cmps_count; i < simd_iteration_count*8; i++) {
b2b_cmps[i] = { 0 };
}
for (int i = 0; i < simd_iteration_count; i++) {
__simd from_pos_x = GET_F32_CHUNK_FROM_BOIDS(i, from, pos.x);
__simd from_pos_y = GET_F32_CHUNK_FROM_BOIDS(i, from, pos.y);
@ -285,11 +289,11 @@ static void world_calc_distances_and_angles(World *world, BoidList *local_boids,
RPROF_STOP();
}
#define B2B_CAPACITY 2048*10
#define B2B_THRESHOLD B2B_CAPACITY * 0.5
#define B2B_CAPACITY 1024*8
#define B2B_THRESHOLD B2B_CAPACITY*0.25
static inline void append_b2b_cmp(World *world, BoidList *local_boids, boid_pair *b2b_cmps, int *b2b_cmps_count, boid_pair b2b_cmp) {
if (*b2b_cmps_count == B2B_CAPACITY) {
if ((*b2b_cmps_count) == B2B_CAPACITY) {
world_calc_distances_and_angles(world, local_boids, b2b_cmps, b2b_cmps_count);
}
@ -301,12 +305,8 @@ static void world_compute_local_boids(BoidList *local_boids, World *world, Chunk
int boid_count = world->boids.size();
MemoryArena *arena = &world->frame_arena;
int b2b_padding = 8;
boid_pair b2b_cmps[B2B_CAPACITY + b2b_padding];
boid_pair b2b_cmps[B2B_CAPACITY + SIMD_32B_LANES];
int b2b_cmps_count = 0;
for (int i = 0; i < b2b_padding; i++) {
memset(&b2b_cmps[B2B_CAPACITY + i], 0, sizeof(boid_pair));
}
RPROF_START("Move chunk data to static arrays");
uboid_t *static_chunks[chunks->width * chunks->height];