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oiTrans / model_configs /custom_transformer.py

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Harveen | Adding code

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	from fairseq.models import register_model_architecture
	from fairseq.models.transformer import base_architecture


	@register_model_architecture("transformer", "transformer_2x")
	def transformer_big(args):
	args.encoder_embed_dim = getattr(args, "encoder_embed_dim", 1024)
	args.encoder_ffn_embed_dim = getattr(args, "encoder_ffn_embed_dim", 4096)
	args.encoder_attention_heads = getattr(args, "encoder_attention_heads", 16)
	args.encoder_normalize_before = getattr(args, "encoder_normalize_before", False)
	args.decoder_embed_dim = getattr(args, "decoder_embed_dim", 1024)
	args.decoder_ffn_embed_dim = getattr(args, "decoder_ffn_embed_dim", 4096)
	args.decoder_attention_heads = getattr(args, "decoder_attention_heads", 16)
	base_architecture(args)


	@register_model_architecture("transformer", "transformer_4x")
	def transformer_huge(args):
	args.encoder_embed_dim = getattr(args, "encoder_embed_dim", 1536)
	args.encoder_ffn_embed_dim = getattr(args, "encoder_ffn_embed_dim", 4096)
	args.encoder_attention_heads = getattr(args, "encoder_attention_heads", 16)
	args.encoder_normalize_before = getattr(args, "encoder_normalize_before", False)
	args.decoder_embed_dim = getattr(args, "decoder_embed_dim", 1536)
	args.decoder_ffn_embed_dim = getattr(args, "decoder_ffn_embed_dim", 4096)
	args.decoder_attention_heads = getattr(args, "decoder_attention_heads", 16)
	base_architecture(args)


	@register_model_architecture("transformer", "transformer_9x")
	def transformer_xlarge(args):
	args.encoder_embed_dim = getattr(args, "encoder_embed_dim", 2048)
	args.encoder_ffn_embed_dim = getattr(args, "encoder_ffn_embed_dim", 8192)
	args.encoder_attention_heads = getattr(args, "encoder_attention_heads", 16)
	args.encoder_normalize_before = getattr(args, "encoder_normalize_before", False)
	args.decoder_embed_dim = getattr(args, "decoder_embed_dim", 2048)
	args.decoder_ffn_embed_dim = getattr(args, "decoder_ffn_embed_dim", 8192)
	args.decoder_attention_heads = getattr(args, "decoder_attention_heads", 16)
	base_architecture(args)