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Start each tile's gamma/mingap at the same point to help flaky tests

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This commit is contained in:
Eric Fischer 2016-10-26 10:40:53 -07:00
parent 565b5dc6b4
commit 7727b3a92c
1 changed files with 20 additions and 8 deletions
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28
tile.cpp
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@ -1155,6 +1155,7 @@ struct write_tile_args {
double todo;
volatile long long *along;
double gamma;
double gamma_out;
int child_shards;
int *geomfd;
off_t *geom_size;
@ -1176,6 +1177,7 @@ struct write_tile_args {
std::vector<std::vector<std::string>> *layer_unmaps;
size_t pass;
unsigned long long mingap;
unsigned long long mingap_out;
};
long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *stringpool, int z, unsigned tx, unsigned ty, int detail, int min_detail, int basezoom, sqlite3 *outdb, double droprate, int buffer, const char *fname, FILE **geomfile, int minzoom, int maxzoom, double todo, volatile long long *along, long long alongminus, double gamma, int child_shards, long long *meta_off, long long *pool_off, unsigned *initial_x, unsigned *initial_y, volatile int *running, double simplification, std::vector<std::map<std::string, layermap_entry>> *layermaps, std::vector<std::vector<std::string>> *layer_unmaps, size_t pass, unsigned long long mingap, write_tile_args *arg) {
@ -1727,7 +1729,9 @@ long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *s
gamma = gamma * 1.25;
}
arg->gamma = gamma;
if (gamma > arg->gamma_out) {
arg->gamma_out = gamma;
}
if (!quiet) {
fprintf(stderr, "Going to try gamma of %0.3f to make it fit\n", gamma);
@ -1740,7 +1744,9 @@ long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *s
size_t n = (indices.size() - 1) * (1 - mingap_fraction);
if (n < indices.size() && mingap < indices[n]) {
mingap = indices[n];
arg->mingap = mingap;
if (mingap > arg->mingap_out) {
arg->mingap_out = mingap;
}
if (!quiet) {
fprintf(stderr, "Going to try keeping the sparsest %0.2f%% of the features to make it fit\n", mingap_fraction * 100.0);
}
@ -1780,7 +1786,9 @@ long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *s
gamma = gamma * 1.25;
}
arg->gamma = gamma;
if (gamma > arg->gamma_out) {
arg->gamma_out = gamma;
}
if (!quiet) {
fprintf(stderr, "Going to try gamma of %0.3f to make it fit\n", gamma);
@ -1792,7 +1800,9 @@ long long write_tile(FILE *geoms, long long *geompos_in, char *metabase, char *s
size_t n = (indices.size() - 1) * (1 - mingap_fraction);
if (n < indices.size() && mingap < indices[n]) {
mingap = indices[n];
arg->mingap = mingap;
if (mingap > arg->mingap_out) {
arg->mingap_out = mingap;
}
if (!quiet) {
fprintf(stderr, "Going to try keeping the sparsest %0.2f%% of the features to make it fit\n", mingap_fraction * 100.0);
}
@ -2082,7 +2092,9 @@ int traverse_zooms(int *geomfd, off_t *geom_size, char *metabase, char *stringpo
args[thread].todo = todo;
args[thread].along = &along; // locked with var_lock
args[thread].gamma = zoom_gamma;
args[thread].gamma_out = zoom_gamma;
args[thread].mingap = zoom_mingap;
args[thread].mingap_out = zoom_mingap;
args[thread].child_shards = TEMP_FILES / threads;
args[thread].simplification = simplification;
@ -2123,11 +2135,11 @@ int traverse_zooms(int *geomfd, off_t *geom_size, char *metabase, char *stringpo
err = *((int *) retval);
}
if (args[thread].gamma > zoom_gamma) {
zoom_gamma = args[thread].gamma;
if (args[thread].gamma_out > zoom_gamma) {
zoom_gamma = args[thread].gamma_out;
}
if (args[thread].mingap > zoom_mingap) {
zoom_mingap = args[thread].mingap;
if (args[thread].mingap_out > zoom_mingap) {
zoom_mingap = args[thread].mingap_out;
}
}
}