checksum check

Author: jimmyzho

flashinfer/artifacts.py

@@ -27,6 +27,7 @@
     FLASHINFER_CUBINS_REPOSITORY,
     get_cubin,
     FLASHINFER_CUBIN_DIR,
+    download_file,
 )
 
 
@@ -71,43 +72,71 @@ def get_available_cubin_files(source, retries=3, delay=5, timeout=10):
 class ArtifactPath:
     TRTLLM_GEN_FMHA: str = "7206d64e67f4c8949286246d6e2e07706af5d223/fmha/trtllm-gen/"
     TRTLLM_GEN_BMM: str = (
-        "e6f22dcc3fdeb29ff87af2f4a2cb3d30b8d273e0/batched_gemm-45beda1-ee6a802/"
+        "9ef9e6243df03ab2c3fca1f0398a38cf1011d1e1/batched_gemm-45beda1-7bdba93/"
     )
     TRTLLM_GEN_GEMM: str = (
-        "037e528e719ec3456a7d7d654f26b805e44c63b1/gemm-8704aa4-f91dc9e/"
+        "9ef9e6243df03ab2c3fca1f0398a38cf1011d1e1/gemm-45beda1-f91dc9e/"
     )
-    CUDNN_SDPA: str = "4c623163877c8fef5751c9c7a59940cd2baae02e/fmha/cudnn/"
-    DEEPGEMM: str = "51d730202c9eef782f06ecc950005331d85c5d4b/deep-gemm/"
+    CUDNN_SDPA: str = "9ef9e6243df03ab2c3fca1f0398a38cf1011d1e1/fmha/cudnn/"
+    DEEPGEMM: str = "9ef9e6243df03ab2c3fca1f0398a38cf1011d1e1/deep-gemm/"
 
 
 class MetaInfoHash:
     TRTLLM_GEN_FMHA: str = (
         "2f605255e71d673768f5bece66dde9e2e9f4c873347bfe8fefcffbf86a3c847d"
     )
     TRTLLM_GEN_BMM: str = (
-        "c98b4ce69a39fd41556d67033c30ea814ef76b0a2fe16e798e55baf0104acc34"
+        "9490085267aed30a387bfff024a0605e1ca4d39dfe06a5abc159d7d7e129bdf4"
     )
     DEEPGEMM: str = "b4374f857c3066089c4ec6b5e79e785559fa2c05ce2623710b0b04bf86414a48"
     TRTLLM_GEN_GEMM: str = (
-        "0345358c916d990709f9670e113e93f35c76aa22715e2d5128ec2ca8740be5ba"
+        "7d8ef4e6d89b6990e3e90a3d3a21e96918824d819f8f897a9bfd994925b9ea67"
     )
 
 
+def get_checksums(kernels):
+    checksums = {}
+    for kernel in kernels:
+        uri = FLASHINFER_CUBINS_REPOSITORY + "/" + (kernel + "checksums.txt")
+        checksum_path = FLASHINFER_CUBIN_DIR / (kernel + "checksums.txt")
+        download_file(uri, checksum_path)
+        with open(checksum_path, "r") as f:
+            for line in f:
+                sha256, filename = line.strip().split()
+                checksums[kernel + filename] = sha256
+    return checksums
+
+
 def get_cubin_file_list():
     base = FLASHINFER_CUBINS_REPOSITORY.rstrip("/")
     cubin_files = [
-        (ArtifactPath.TRTLLM_GEN_FMHA + "include/flashInferMetaInfo", ".h"),
-        (ArtifactPath.TRTLLM_GEN_GEMM + "include/flashinferMetaInfo", ".h"),
-        (ArtifactPath.TRTLLM_GEN_BMM + "include/flashinferMetaInfo", ".h"),
+        (
+            ArtifactPath.TRTLLM_GEN_FMHA + "include/flashInferMetaInfo",
+            ".h",
+            MetaInfoHash.TRTLLM_GEN_FMHA,
+        ),
+        (
+            ArtifactPath.TRTLLM_GEN_GEMM + "include/flashinferMetaInfo",
+            ".h",
+            MetaInfoHash.TRTLLM_GEN_GEMM,
+        ),
+        (
+            ArtifactPath.TRTLLM_GEN_BMM + "include/flashinferMetaInfo",
+            ".h",
+            MetaInfoHash.TRTLLM_GEN_BMM,
+        ),
     ]
-    for kernel in [
+    kernels = [
         ArtifactPath.TRTLLM_GEN_FMHA,
-        ArtifactPath.TRTLLM_GEN_BMM,
         ArtifactPath.TRTLLM_GEN_GEMM,
+        ArtifactPath.TRTLLM_GEN_BMM,
         ArtifactPath.DEEPGEMM,
-    ]:
+    ]
+    checksums = get_checksums(kernels)
+
+    for kernel in kernels:
         cubin_files += [
-            (kernel + name, extension)
+            (kernel + name, extension, checksums[kernel + name + extension])
             for name, extension in get_available_cubin_files(
                 urljoin(base + "/", kernel)
             )
@@ -121,27 +150,25 @@ def download_artifacts():
     # use a shared session to make use of HTTP keep-alive and reuse of
     # HTTPS connections.
     session = requests.Session()
+    cubin_files = get_cubin_file_list()
+    num_threads = int(os.environ.get("FLASHINFER_CUBIN_DOWNLOAD_THREADS", "4"))
+    with tqdm_logging_redirect(
+        total=len(cubin_files), desc="Downloading cubins"
+    ) as pbar:
 
-    with temp_env_var("FLASHINFER_CUBIN_CHECKSUM_DISABLED", "1"):
-        cubin_files = get_cubin_file_list()
-        num_threads = int(os.environ.get("FLASHINFER_CUBIN_DOWNLOAD_THREADS", "4"))
-        with tqdm_logging_redirect(
-            total=len(cubin_files), desc="Downloading cubins"
-        ) as pbar:
-
-            def update_pbar_cb(_) -> None:
-                pbar.update(1)
+        def update_pbar_cb(_) -> None:
+            pbar.update(1)
 
-            with ThreadPoolExecutor(num_threads) as pool:
-                futures = []
-                for name, extension in cubin_files:
-                    fut = pool.submit(get_cubin, name, "", extension, session)
-                    fut.add_done_callback(update_pbar_cb)
-                    futures.append(fut)
+        with ThreadPoolExecutor(num_threads) as pool:
+            futures = []
+            for name, extension, checksum in cubin_files:
+                fut = pool.submit(get_cubin, name, checksum, extension, session)
+                fut.add_done_callback(update_pbar_cb)
+                futures.append(fut)
 
-                results = [fut.result() for fut in as_completed(futures)]
+            results = [fut.result() for fut in as_completed(futures)]
 
-        all_success = all(results)
+    all_success = all(results)
     if not all_success:
         raise RuntimeError("Failed to download cubins")