mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-12-27 08:49:16 +08:00
85 lines
3.3 KiB
C
85 lines
3.3 KiB
C
/* This is part of the netCDF package. Copyright 2018 University
|
|
Corporation for Atmospheric Research/Unidata See COPYRIGHT file for
|
|
conditions of use. See www.unidata.ucar.edu for more info.
|
|
|
|
This program benchmarks creating a netCDF file and reading records.
|
|
|
|
Ed Hartnett
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <nc_tests.h>
|
|
#include "err_macros.h"
|
|
#include <time.h>
|
|
#include <sys/time.h> /* Extra high precision time info. */
|
|
|
|
/* We will create this file. */
|
|
#define FILE_NAME "bm_netcdf4_recs.nc"
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
printf("Running benchmark...");
|
|
{
|
|
int ncid;
|
|
|
|
/* dimension ids */
|
|
int basetime_dim;
|
|
int forecast_dim;
|
|
int bounds_dim;
|
|
int latitude_dim;
|
|
int longitude_dim;
|
|
|
|
/* dimension lengths */
|
|
size_t basetime_len = NC_UNLIMITED;
|
|
size_t forecast_len = 32;
|
|
size_t bounds_len = 2;
|
|
size_t latitude_len = 121;
|
|
size_t longitude_len = 101;
|
|
|
|
/* variable ids */
|
|
int temperature_2m_id;
|
|
|
|
/* rank (number of dimensions) for each variable */
|
|
# define RANK_temperature_2m 4
|
|
|
|
/* variable shapes */
|
|
int temperature_2m_dims[RANK_temperature_2m];
|
|
static const float temperature_2m_FillValue_att[1] = {9.96921e+36} ;
|
|
static const float temperature_2m_missing_value_att[1] = {9.96921e+36} ;
|
|
static const float temperature_2m_valid_min_att[1] = {180} ;
|
|
static const float temperature_2m_valid_max_att[1] = {330} ;
|
|
|
|
/* enter define mode */
|
|
if (nc_create(FILE_NAME, NC_CLOBBER, &ncid)) ERR;
|
|
|
|
/* define dimensions */
|
|
if (nc_def_dim(ncid, "basetime", basetime_len, &basetime_dim)) ERR;
|
|
if (nc_def_dim(ncid, "forecast", forecast_len, &forecast_dim)) ERR;
|
|
if (nc_def_dim(ncid, "bounds", bounds_len, &bounds_dim)) ERR;
|
|
if (nc_def_dim(ncid, "latitude", latitude_len, &latitude_dim)) ERR;
|
|
if (nc_def_dim(ncid, "longitude", longitude_len, &longitude_dim)) ERR;
|
|
|
|
/* define variables */
|
|
temperature_2m_dims[0] = basetime_dim;
|
|
temperature_2m_dims[1] = forecast_dim;
|
|
temperature_2m_dims[2] = latitude_dim;
|
|
temperature_2m_dims[3] = longitude_dim;
|
|
if (nc_def_var(ncid, "temperature_2m", NC_FLOAT, RANK_temperature_2m,
|
|
temperature_2m_dims, &temperature_2m_id)) ERR;
|
|
|
|
/* assign per-variable attributes */
|
|
if (nc_put_att_text(ncid, temperature_2m_id, "long_name", 36, "Air temperature 2m above the surface")) ERR;
|
|
if (nc_put_att_text(ncid, temperature_2m_id, "units", 1, "K")) ERR;
|
|
if (nc_put_att_float(ncid, temperature_2m_id, "_FillValue", NC_FLOAT, 1, temperature_2m_FillValue_att)) ERR;
|
|
if (nc_put_att_float(ncid, temperature_2m_id, "missing_value", NC_FLOAT, 1, temperature_2m_missing_value_att)) ERR;
|
|
if (nc_put_att_float(ncid, temperature_2m_id, "valid_min", NC_FLOAT, 1, temperature_2m_valid_min_att)) ERR;
|
|
if (nc_put_att_float(ncid, temperature_2m_id, "valid_max", NC_FLOAT, 1, temperature_2m_valid_max_att)) ERR;
|
|
if (nc_put_att_text(ncid, temperature_2m_id, "standard_name", 15, "air_temperature")) ERR;
|
|
if (nc_put_att_text(ncid, temperature_2m_id, "cell_methods", 10, "area: mean")) ERR;
|
|
if (nc_put_att_text(ncid, temperature_2m_id, "coordinates", 5, "level")) ERR;
|
|
if (nc_close(ncid)) ERR;
|
|
}
|
|
SUMMARIZE_ERR;
|
|
FINAL_RESULTS;
|
|
}
|