Release of PromptSRC with pretrained models.

configs/trainers/IVLP/vit_b16_c2_ep20_batch4_4+4ctx.yaml

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+# Independent Vision Language Prompting
+DATALOADER:
+  TRAIN_X:
+    BATCH_SIZE: 4
+  TEST:
+    BATCH_SIZE: 100
+  NUM_WORKERS: 8
+
+INPUT:
+  SIZE: (224, 224)
+  INTERPOLATION: "bicubic"
+  PIXEL_MEAN: [0.48145466, 0.4578275, 0.40821073]
+  PIXEL_STD: [0.26862954, 0.26130258, 0.27577711]
+  TRANSFORMS: ["random_resized_crop", "random_flip", "normalize"]
+
+OPTIM:
+  NAME: "sgd"
+  LR: 0.0025
+  MAX_EPOCH: 20
+  LR_SCHEDULER: "cosine"
+  WARMUP_EPOCH: 1
+  WARMUP_TYPE: "constant"
+  WARMUP_CONS_LR: 1e-5
+
+TRAIN:
+  PRINT_FREQ: 20
+
+MODEL:
+  BACKBONE:
+    NAME: "ViT-B/16"
+
+TRAINER:
+  IVLP:
+    N_CTX_VISION: 4
+    N_CTX_TEXT: 4
+    CTX_INIT: "a photo of a"
+    PREC: "fp16"
+    PROMPT_DEPTH_VISION: 9
+    PROMPT_DEPTH_TEXT: 9