[fix] Quickfix of benchmark_worker

benchmarks/benchmark_workers.py

@@ -82,10 +82,16 @@ def create_cpu_gpu_worker(
             num_chunks=model_config.num_layers,
         ))
     finished_ops_queue = mp.Queue()
+    # Create a shared memory buffer for transfer operations
+    # max_op_num=4, max_block_num should be larger than num_blocks_to_transfer
+    max_block_num = max(1024, cache_config.num_cpu_blocks)
+    op_buffer_tensor = torch.empty((4, max_block_num), dtype=torch.int64).share_memory_()
+
     if model_config.tp_size == 1:
         worker_handle = GPUCPUTransferWorker.create_worker(
             mp_ctx=mp.get_context('spawn'),
             finished_ops_queue=finished_ops_queue,
+            op_buffer_tensor=op_buffer_tensor,
             gpu_blocks=gpu_handles[0].get_tensor_handle_list(),
             cpu_blocks=cpu_handle.get_tensor(),
             gpu_kv_layout=gpu_handles[0].kv_layout,
@@ -101,6 +107,7 @@ def create_cpu_gpu_worker(
         worker_handle = tpGPUCPUTransferWorker.create_worker(
             mp_ctx=mp.get_context('spawn'),
             finished_ops_queue=finished_ops_queue,
+            op_buffer_tensor=op_buffer_tensor,
             gpu_blocks=[handle.get_tensor_handle_list() for handle in gpu_handles],
             cpu_blocks=cpu_handle.get_tensor(),
             gpu_kv_layout=gpu_handles[0].kv_layout,
@@ -150,9 +157,15 @@ def create_cpu_ssd_worker(
         cache_dir=cache_config.ssd_cache_dir,
     )
     finished_ops_queue = mp.Queue()
+    # Create a shared memory buffer for transfer operations
+    # max_op_num=4, max_block_num should be larger than num_blocks_to_transfer
+    max_block_num = max(1024, cache_config.num_cpu_blocks)
+    op_buffer_tensor = torch.empty((4, max_block_num), dtype=torch.int64).share_memory_()
+
     worker_handle = CPUSSDDiskTransferWorker.create_worker(
                 mp_ctx=mp.get_context('spawn'),
                 finished_ops_queue=finished_ops_queue,
+                op_buffer_tensor=op_buffer_tensor,
                 cpu_blocks=cpu_handle.get_tensor(),
                 ssd_files=ssd_handle.get_file_list(),
                 cpu_kv_layout=cpu_handle.kv_layout,

benchmarks/example_config.json

@@ -13,7 +13,7 @@
         "enable_ssd": true,
         "enable_remote": false,
         "tokens_per_block": 16,
-        "use_gds": false,
+        "enable_gds": false,
         "gpu_kv_layout_type": "LAYERWISE",
         "cpu_kv_layout_type": "BLOCKWISE",
         "ssd_kv_layout_type": "BLOCKWISE",

docs/dynamo_integration/README_en.md

@@ -93,7 +93,7 @@ for i in $(seq 0 $((NUM_WORKERS-1))); do
                         "enable_cpu": true,
                         "enable_ssd": false,
                         "enable_remote": false,
-                        "use_gds": false,
+                        "enable_gds": false,
                         "enable_trace": false,
                         "ssd_cache_iouring_entries": 512,
                         "tokens_per_block": 64,

docs/dynamo_integration/README_zh.md

@@ -94,7 +94,7 @@ for i in $(seq 0 $((NUM_WORKERS-1))); do
                         "enable_cpu": true,
                         "enable_ssd": false,
                         "enable_remote": false,
-                        "use_gds": false,
+                        "enable_gds": false,
                         "enable_trace": false,
                         "ssd_cache_iouring_entries": 512,
                         "tokens_per_block": 64,

docs/flexkv_config_reference/README_en.md

@@ -16,7 +16,7 @@ Below is a production-grade recommended configuration that balances performance
         "enable_cpu": true,
         "enable_ssd": true,
         "enable_remote": false,
-        "use_gds": false,
+        "enable_gds": false,
         "enable_trace": false,
         "ssd_cache_iouring_entries": 512,
         "tokens_per_block": 64,
@@ -55,7 +55,7 @@ The FlexKV configuration file is a JSON file, primarily consisting of three part
 | `enable_cpu` | bool | true | Whether to enable CPU memory as a cache layer. Strongly recommended to enable. |
 | `enable_ssd` | bool | false | Whether to enable SSD as a cache layer. Recommended if NVMe SSD is available. |
 | `enable_remote` | bool | false | Whether to enable remote cache (e.g., scalable cloud storage). Requires remote cache engine and custom implementation. |
-| `use_gds` | bool | false | Whether to use GPU Direct Storage (GDS) to accelerate SSD I/O. Not currently supported. |
+| `enable_gds` | bool | false | Whether to use GPU Direct Storage (GDS) to accelerate SSD I/O. Not currently supported. |
 | `index_accel` | bool | false | Whether to enable C++ RadixTree. Recommended to enable. |
 
 ---

docs/flexkv_config_reference/README_zh.md

@@ -16,7 +16,7 @@
         "enable_cpu": true,
         "enable_ssd": true,
         "enable_remote": false,
-        "use_gds": false,
+        "enable_gds": false,
         "enable_trace": false,
         "ssd_cache_iouring_entries": 512,
         "tokens_per_block": 64,
@@ -55,7 +55,7 @@ FlexKV 的配置文件是一个 JSON 文件，主要包含三个部分：
 | `enable_cpu` | bool | true | 是否启用 CPU 内存作为缓存层。强烈建议开启。 |
 | `enable_ssd` | bool | false | 是否启用 SSD 作为缓存层。如配备 NVMe SSD，建议开启。 |
 | `enable_remote` | bool | false | 是否启用远程缓存（如可扩展云存储等）。需要配合远程缓存和自定义的远程缓存引擎使用 |
-| `use_gds` | bool | false | 是否使用 GPU Direct Storage（GDS）加速 SSD 读写。目前暂不支持。 |
+| `enable_gds` | bool | false | 是否使用 GPU Direct Storage（GDS）加速 SSD 读写。目前暂不支持。 |
 | `index_accel` | bool | false | 是否启用C++ RadixTree。推荐开启。 |
 
 ---

examples/run_server.py

@@ -81,7 +81,7 @@ def parse_args() -> argparse.Namespace:
         enable_cpu=args.enable_cpu,
         enable_ssd=args.enable_ssd,
         enable_remote=args.enable_remote,
-        use_gds=False,
+        enable_gds=False,
         enable_trace=False,
         ssd_cache_iouring_entries=512,
         tokens_per_block=args.block_size,