Iluise/head

atmorep/core/atmorep_model.py

@@ -186,16 +186,18 @@ def create( self, pre_batch, devices, create_net = True, pre_batch_targets = Non
     self.dataset_train = MultifieldDataSampler( cf.file_path, cf.fields, cf.years_train,
                                                 cf.batch_size,
                                                 pre_batch, cf.n_size, cf.num_samples_per_epoch,
-                                          with_shuffle = (cf.BERT_strategy != 'global_forecast'), 
-                                                with_source_idxs = True )
+                                                with_shuffle = (cf.BERT_strategy != 'global_forecast'), 
+                                                with_source_idxs = True, 
+                                                compute_weights = (cf.losses.count('weighted_mse') > 0) )
     self.data_loader_train = torch.utils.data.DataLoader( self.dataset_train, **loader_params,
                                                           sampler = None)
 
     self.dataset_test = MultifieldDataSampler( cf.file_path, cf.fields, cf.years_val,
                                                cf.batch_size_validation,
                                                pre_batch, cf.n_size, cf.num_samples_validate,
-                                          with_shuffle = (cf.BERT_strategy != 'global_forecast'),
-                                               with_source_idxs = True )
+                                               with_shuffle = (cf.BERT_strategy != 'global_forecast'),
+                                               with_source_idxs = True, 
+                                               compute_weights = (cf.losses.count('weighted_mse') > 0) )                                               
     self.data_loader_test = torch.utils.data.DataLoader( self.dataset_test, **loader_params,
                                                           sampler = None)
 

atmorep/core/evaluator.py

@@ -55,11 +55,6 @@ def parse_args( cf, args) :
   @staticmethod
   def run( cf, model_id, model_epoch, devices) :
 
-    if not hasattr(cf, 'batch_size'):
-      cf.batch_size = cf.batch_size_max
-    if not hasattr(cf, 'batch_size_validation'):
-      cf.batch_size_validation = cf.batch_size_max
-
     cf.with_mixed_precision = True
 
     # set/over-write options as desired
@@ -82,7 +77,7 @@ def evaluate( mode, model_id, file_path, args = {}, model_epoch=-2) :
     else :
       num_accs_per_task = int( 4 / int( os.environ.get('SLURM_TASKS_PER_NODE', '1')[0] ))
     devices = init_torch( num_accs_per_task)
-    #devices = ['cuda']
+    #devices = ['cuda:1']
 
     par_rank, par_size = setup_ddp( with_ddp)
     cf = Config().load_json( model_id)
@@ -112,6 +107,12 @@ def evaluate( mode, model_id, file_path, args = {}, model_epoch=-2) :
       cf.with_mixed_precision = False
     if not hasattr(cf, 'with_pytest'):
       cf.with_pytest = False
+    if not hasattr(cf, 'batch_size'):
+      cf.batch_size = cf.batch_size_max
+    if not hasattr(cf, 'batch_size_validation'):
+      cf.batch_size_validation = cf.batch_size_max
+    if not hasattr(cf, 'years_val'):
+      cf.years_val = cf.years_test
 
     func = getattr( Evaluator, mode)
     func( cf, model_id, model_epoch, devices, args)
@@ -159,8 +160,6 @@ def global_forecast( cf, model_id, model_epoch, devices, args = {}) :
       cf.batch_size = 196 #14
     if not hasattr(cf, 'batch_size_validation'):
       cf.batch_size_validation = 1 #64
-    if not hasattr(cf, 'batch_size_delta'):
-      cf.batch_size_delta = 8
     if not hasattr(cf, 'num_samples_validate'):
       cf.num_samples_validate = 196 
     #if not hasattr(cf,'with_mixed_precision'):

atmorep/core/train.py

@@ -15,21 +15,17 @@
 ####################################################################################################
 
 import torch
-import numpy as np
 import os
 import sys
-import pdb
 import traceback
-
+import pdb
 import wandb
 
-import atmorep.config.config as config
 from atmorep.core.trainer import Trainer_BERT
 from atmorep.utils.utils import Config
 from atmorep.utils.utils import setup_ddp
 from atmorep.utils.utils import setup_wandb
 from atmorep.utils.utils import init_torch
-import atmorep.utils.utils as utils
 
 
 ####################################################################################################
@@ -110,40 +106,43 @@ def train() :
   #   [ total masking rate, rate masking, rate noising, rate for multi-res distortion]
   # ]
 
-  cf.fields = [ [ 'temperature', [ 1, 1024, [ ], 0 ], 
-                               [ 96, 105, 114, 123, 137 ], 
-                               [12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05] ] ]
+  # cf.fields = [ [ 'temperature', [ 1, 1024, [ ], 0 ], 
+  #                              [ 96, 105, 114, 123, 137 ], 
+  #                              [12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05], 'local' ] ]
+  # cf.fields_prediction = [ [cf.fields[0][0], 1.] ]
+
+  cf.fields = [ [ 'velocity_u', [ 1, 1024, [ ], 0 ], 
+                                [ 96, 105, 114, 123, 137 ], 
+                                 [12, 3, 6], [3, 18, 18], [0.5, 0.9, 0.2, 0.05] ] ]
+
   cf.fields_prediction = [ [cf.fields[0][0], 1.] ]
 
-  # cf.fields = [ [ 'velocity_u', [ 1, 2048, [ ], 0], 
-  #                               [ 96, 105, 114, 123, 137 ], 
-  #                               [12, 6, 12], [3, 9, 9], [0.5, 0.9, 0.1, 0.05] ] ]
-
-  # cf.fields = [ [ 'velocity_v', [ 1, 2048, [ ], 0 ], 
+
+  # cf.fields = [ [ 'velocity_v', [ 1, 1024, [ ], 0 ], 
   #                               [ 96, 105, 114, 123, 137 ], 
-  #                               [ 12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05] ] ]
+  #                               [12, 3, 6], [3, 18, 18], [0.25, 0.9, 0.1, 0.05] ] ]
 
-  # cf.fields = [ [ 'velocity_z', [ 1, 1024, [ ], 0 ], 
+  # cf.fields = [ [ 'velocity_z', [ 1, 512, [ ], 0 ], 
   #                               [ 96, 105, 114, 123, 137 ], 
   #                               [12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05] ] ]
 
-  # cf.fields = [ [ 'specific_humidity', [ 1, 2048, [ ], 0 ], 
+  # cf.fields = [ [ 'specific_humidity', [ 1, 1024, [ ], 0 ], 
   #                               [ 96, 105, 114, 123, 137 ], 
-  #                               [12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05] ] ]
+  #                               [12, 6, 12], [3, 9, 9], [0.25, 0.9, 0.1, 0.05], 'local' ] ]
   #                             [12, 2, 4], [3, 27, 27], [0.5, 0.9, 0.1, 0.05], 'local' ] ]
 
   cf.fields_targets = []
 
-  cf.years_train = [2021] # list( range( 1980, 2018))
+  cf.years_train = list( range( 2010, 2021))
   cf.years_val = [2021]  #[2018] 
   cf.month = None
   cf.geo_range_sampling = [[ -90., 90.], [ 0., 360.]]
   cf.time_sampling = 1   # sampling rate for time steps
   # random seeds
   cf.torch_seed = torch.initial_seed()
   # training params
-  cf.batch_size_validation = 64
-  cf.batch_size = 32
+  cf.batch_size_validation = 1 #64
+  cf.batch_size = 96
   cf.num_epochs = 128
   cf.num_samples_per_epoch = 4096*12
   cf.num_samples_validate = 128*12
@@ -161,12 +160,12 @@ def train() :
   cf.dropout_rate = 0.05
   cf.with_qk_lnorm = False
   # encoder
-  cf.encoder_num_layers = 4
+  cf.encoder_num_layers = 6
   cf.encoder_num_heads = 16
   cf.encoder_num_mlp_layers = 2
   cf.encoder_att_type = 'dense'
   # decoder
-  cf.decoder_num_layers = 4
+  cf.decoder_num_layers = 6
   cf.decoder_num_heads = 16
   cf.decoder_num_mlp_layers = 2
   cf.decoder_self_att = False
@@ -177,19 +176,19 @@ def train() :
   cf.net_tail_num_nets = 16
   cf.net_tail_num_layers = 0
   # loss
-  cf.losses = ['mse_ensemble', 'stats']  # mse, mse_ensemble, stats, crps
+  cf.losses = ['mse_ensemble', 'stats']  # mse, mse_ensemble, stats, crps, weighted_mse
   # training
   cf.optimizer_zero = False
   cf.lr_start = 5. * 10e-7
-  cf.lr_max = 0.00005
-  cf.lr_min = 0.00002
-  cf.weight_decay = 0.1
+  cf.lr_max = 0.00005*3
+  cf.lr_min = 0.00004 #0.00002
+  cf.weight_decay = 0.05 #0.1
   cf.lr_decay_rate = 1.025
   cf.lr_start_epochs = 3
   # BERT
   # strategies: 'BERT', 'forecast', 'temporal_interpolation'
   cf.BERT_strategy = 'BERT'
-  cf.forecast_num_tokens = 1      # only needed / used for BERT_strategy 'forecast
+  cf.forecast_num_tokens = 2      # only needed / used for BERT_strategy 'forecast
   cf.BERT_fields_synced = False   # apply synchronized / identical masking to all fields 
                                   # (fields need to have same BERT params for this to have effect)
   cf.BERT_mr_max = 2              # maximum reduction rate for resolution
@@ -219,12 +218,13 @@ def train() :
   # # # cf.file_path = '/p/scratch/atmo-rep/data/era5_1deg/months/era5_y2021_res025_chunk8.zarr'
   # # cf.file_path = '/ec/res4/scratch/nacl/atmorep/era5_y2021_res025_chunk8_lat180_lon180.zarr'
   # # # cf.file_path = '/ec/res4/scratch/nacl/atmorep/era5_y2021_res025_chunk16.zarr'
+  cf.file_path = '/gpfs/scratch/ehpc03/era5_y2010_2021_res025_chunk8.zarr/'
   # # # in steps x lat_degrees x lon_degrees
-  # cf.n_size = [36, 0.25*9*6, 0.25*9*12]
+  cf.n_size = [36, 0.25*9*6, 0.25*9*12]
 
   # cf.file_path = '/ec/res4/scratch/nacl/atmorep/era5_y2021_res100_chunk16.zarr'
-  cf.file_path = '/p/scratch/atmo-rep/data/era5_1deg/months/era5_y2021_res100_chunk16.zarr'
-  cf.n_size = [36, 1*9*6, 1.*9*12]
+  #cf.file_path = '/p/scratch/atmo-rep/data/era5_1deg/months/era5_y2021_res100_chunk16.zarr'
+  #cf.n_size = [36, 1*9*6, 1.*9*12]
 
   if cf.with_wandb and 0 == cf.par_rank :
     cf.write_json( wandb)

atmorep/datasets/multifield_data_sampler.py

@@ -32,7 +32,7 @@ class MultifieldDataSampler( torch.utils.data.IterableDataset):
 
   ###################################################
   def __init__( self, file_path, fields, years, batch_size, pre_batch, n_size,
-                num_samples, with_shuffle = False, time_sampling = 1, with_source_idxs = False,
+                num_samples, with_shuffle = False, time_sampling = 1, with_source_idxs = False, compute_weights = False, 
                 fields_targets = None, pre_batch_targets = None ) :
     '''
       Data set for single dynamic field at an arbitrary number of vertical levels
@@ -46,6 +46,7 @@ def __init__( self, file_path, fields, years, batch_size, pre_batch, n_size,
     self.n_size = n_size
     self.num_samples = num_samples
     self.with_source_idxs = with_source_idxs
+    self.compute_weights = compute_weights
     self.with_shuffle = with_shuffle
     self.pre_batch = pre_batch
 
@@ -185,11 +186,11 @@ def __iter__(self):
 
             source_data, tok_info = [], []
             # extract data, normalize and tokenize
-            cdata = data_t[ : , lat_ran[:,np.newaxis], lon_ran[np.newaxis,:]]
-                
+            cdata = data_t[ ... , lat_ran[:,np.newaxis], lon_ran[np.newaxis,:]]
+
             normalizer = self.normalizers[ifield][ilevel]
-            if corr_type != 'global':   
-              normalizer = normalizer[ : , lat_ran[:,np.newaxis], lon_ran[np.newaxis,:]]
+            if corr_type != 'global': 
+              normalizer = normalizer[ ... , lat_ran[:,np.newaxis], lon_ran[np.newaxis,:]]
             cdata = normalize(cdata, normalizer, sources_infos[-1][0], year_base = self.year_base)
 
             source_data = tokenize( torch.from_numpy( cdata), tok_size )    
@@ -217,29 +218,29 @@ def __iter__(self):
 
       tmidx_list = sources[-1]
       weights_idx_list = []
+      if self.compute_weights:
+        for ifield, field_info in enumerate(self.fields): 
+          weights = []
+          for ilevel, vl in enumerate(field_info[2]):
+            for ibatch in range(self.batch_size):
+
+              lats_idx = source_idxs[ibatch][1] 
+              lons_idx = source_idxs[ibatch][2]
 
-      for ifield, field_info in enumerate(self.fields): 
-        weights = []
-        for ilevel, vl in enumerate(field_info[2]):
-          for ibatch in range(self.batch_size):
-
-            lats_idx = source_idxs[ibatch][1] 
-            lons_idx = source_idxs[ibatch][2]
-
-            idx_base = tmidx_list[ifield][ilevel][ibatch]
-            idx_loc = idx_base - np.prod(num_tokens) * ibatch
-
-            grid = np.flip(np.array( np.meshgrid( lons_idx, lats_idx)), axis = 0) #flip to have lat on pos 0 and lon on pos 1
-            grid = torch.from_numpy( np.array( np.broadcast_to( grid,
-                                     shape = [tok_size[0]*num_tokens[0], *grid.shape])).swapaxes(0,1))
+              idx_base = tmidx_list[ifield][ilevel][ibatch]
+              idx_loc = idx_base - np.prod(num_tokens) * ibatch
+
+              grid = np.flip(np.array( np.meshgrid( lons_idx, lats_idx)), axis = 0) #flip to have lat on pos 0 and lon on pos 1
+              grid = torch.from_numpy( np.array( np.broadcast_to( grid,
+                                      shape = [tok_size[0]*num_tokens[0], *grid.shape])).swapaxes(0,1))
 
-            grid_lats_toked = tokenize( grid[0], tok_size).flatten( 0, 2)  
+              grid_lats_toked = tokenize( grid[0], tok_size).flatten( 0, 2)  
 
-            lats_mskd_b = np.array([np.unique(t) for t in grid_lats_toked[ idx_loc ].numpy()])
+              lats_mskd_b = np.array([np.unique(t) for t in grid_lats_toked[ idx_loc ].numpy()])
 
-            weights.append([get_weights(la) for la in lats_mskd_b])
+              weights.append([get_weights(la) for la in lats_mskd_b])
 
-        weights_idx_list.append(weights)
+          weights_idx_list.append(weights)
       sources = (*sources, weights_idx_list)
 
       # TODO: implement (only required when prediction target comes from different data stream)