Update exllamav2 (illegal address issued)

server/exllamav2_kernels/setup.py

@@ -7,9 +7,9 @@ setup(
         CUDAExtension(
             name="exllamav2_kernels",
             sources=[
-                "autogptq_extension/exllamav2/ext.cpp",
+                "exllamav2_kernels/ext.cpp",
-                "autogptq_extension/exllamav2/cuda/q_matrix.cu",
+                "exllamav2_kernels/cuda/q_matrix.cu",
-                "autogptq_extension/exllamav2/cuda/q_gemm.cu",
+                "exllamav2_kernels/cuda/q_gemm.cu",
             ],
         )
     ],

server/text_generation_server/models/__init__.py

@@ -45,6 +45,15 @@ __all__ = [
 FLASH_ATT_ERROR_MESSAGE = "{} requires Flash Attention enabled models."
 
 FLASH_ATTENTION = True
+from text_generation_server.models.flash_rw import FlashRWSharded
+from text_generation_server.models.flash_neox import FlashNeoXSharded
+from text_generation_server.models.flash_llama import (
+    FlashLlama,
+)
+from text_generation_server.models.flash_santacoder import (
+    FlashSantacoderSharded,
+)
+from text_generation_server.models.idefics import IDEFICSSharded
 try:
     from text_generation_server.models.flash_rw import FlashRWSharded
     from text_generation_server.models.flash_neox import FlashNeoXSharded

server/text_generation_server/utils/gptq/exllamav2.py

@@ -87,53 +87,63 @@ class QuantLinear(nn.Module):
 
     """Linear layer implementation with per-group 4-bit quantization of the weights"""
 
-    def __init__(self, bits, group_size, infeatures, outfeatures, bias, trainable=False, **kwargs):
+    # def __init__(self, bits, group_size, infeatures, outfeatures, bias, trainable=False, **kwargs):
+    def __init__(self, qweight, qzeros, scales, g_idx, bias, bits, groupsize):
         super().__init__()
         if bits != 4:
             raise ValueError(
                 f"Exllamav2 kernel supports only bits=4, requested bits={bits}. Something is wrong in the model initialization.")
-        if trainable:
+        # if trainable:
-            raise NotImplementedError("Exllamav2 kernel does not support training.")
+        #     raise NotImplementedError("Exllamav2 kernel does not support training.")
 
         self.q_handle = None
         self.q_tensors = None
-        self.padding = - outfeatures % 32
+        # self.padding = - outfeatures % 32
-        
+        # 
-        self.infeatures = infeatures
+        # self.infeatures = infeatures
-        self.outfeatures = outfeatures + self.padding
+        # self.outfeatures = outfeatures + self.padding
         self.bits = bits
-        self.group_size = group_size if group_size != -1 else infeatures
+        # self.group_size = group_size if group_size != -1 else infeatures
-        self.trainable = trainable
+        # self.trainable = trainable
         self.maxq = 2 ** self.bits - 1
+        self.infeatures = qweight.shape[0] // self.bits * 32
+        self.outfeatures = qweight.shape[1]
 
-        assert infeatures % 32 == 0
+        # assert infeatures % 32 == 0
-        assert infeatures % self.group_size == 0
+        # assert infeatures % self.group_size == 0
-        assert outfeatures % 32 == 0
+        # assert outfeatures % 32 == 0
-        
+        # 
-        # I need to register the tensors, otherwise, we won't be able to load them easily using transformers ... 
+        # # I need to register the tensors, otherwise, we won't be able to load them easily using transformers ... 
-        self.register_buffer(
+        # self.register_buffer(
-            'qweight',
+        #     'qweight',
-            torch.zeros((infeatures // 32 * self.bits, outfeatures), dtype=torch.int32)
+        #     torch.zeros((infeatures // 32 * self.bits, outfeatures), dtype=torch.int32)
-        )
+        # )
-        self.register_buffer(
+        # self.register_buffer(
-            'qzeros',
+        #     'qzeros',
-            torch.zeros((math.ceil(infeatures / self.group_size), outfeatures // 32 * self.bits), dtype=torch.int32)
+        #     torch.zeros((math.ceil(infeatures / self.group_size), outfeatures // 32 * self.bits), dtype=torch.int32)
-        )
+        # )
-        self.register_buffer(
+        # self.register_buffer(
-            'scales',
+        #     'scales',
-            torch.zeros((math.ceil(infeatures / self.group_size), outfeatures), dtype=torch.float16)
+        #     torch.zeros((math.ceil(infeatures / self.group_size), outfeatures), dtype=torch.float16)
-        )
+        # )
-        self.register_buffer(
+        # self.register_buffer(
-            'g_idx',
+        #     'g_idx',
-            torch.tensor([i // self.group_size for i in range(infeatures)], dtype=torch.int32)
+        #     torch.tensor([i // self.group_size for i in range(infeatures)], dtype=torch.int32)
-        )
+        # )
+        self.device = qweight.device
+        self.qweight = qweight
+        self.qzeros = qzeros
+        self.scales = scales
+        self.g_idx = g_idx
+        self.bias = bias if bias is not None else None
 
-        if bias:
+        # if bias:
-            self.register_buffer('bias', torch.zeros((outfeatures), dtype=torch.float16))
+        #     self.register_buffer('bias', torch.zeros((outfeatures), dtype=torch.float16))
-        else:
+        # else:
-            self.bias = None
+        #     self.bias = None
 
-    def post_init(self, temp_dq):
+    # def post_init(self, temp_dq):
+        temp_dq = ExLlamaV2DeviceTensors(self.qweight.device.index , self.temp_dq_size())
         assert self.qweight.device.type == "cuda"
         assert self.qweight.device.index is not None
         self.q_tensors = {
@@ -185,4 +195,4 @@ class ExLlamaV2DeviceTensors:
         size_bytes = ((size_bytes + 127) // 128) * 128
         size_half = size_bytes // 2
         scratch_slice = self.scratch.narrow(0, 0, size_half)
-        return scratch_slice
+        return scratch_slice