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refactor: remove MetaInfoHash class #2064

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Merged
merged 3 commits into from
Nov 9, 2025
Merged

refactor: remove MetaInfoHash class #2064

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upd
yzh119 Nov 8, 2025
b75d4fa
Merge branch 'main' into remove-meta-info-hash
yzh119 Nov 8, 2025
f6d4bc4
upd
yzh119 Nov 9, 2025
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15 changes: 1 addition & 14 deletions flashinfer/artifacts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,23 +95,10 @@ class ArtifactPath:
"1fddc48b7b48af33914d040051b3e2ee9ba4701e/gemm-145d1b1-9b113e3"
)
CUDNN_SDPA: str = "a72d85b019dc125b9f711300cb989430f762f5a6/fmha/cudnn/"
# For DEEPGEMM, we also need to update KernelMap.KERNEL_MAP_HASH in flashinfer/deep_gemm.py
DEEPGEMM: str = "a72d85b019dc125b9f711300cb989430f762f5a6/deep-gemm/"


@dataclass(frozen=True)
class MetaInfoHash:
DEEPGEMM: str = "f161e031826adb8c4f0d31ddbd2ed77e4909e4e43cdfc9728918162a62fcccfb"
TRTLLM_GEN_FMHA: str = (
"2b8a485f2af84768bc769e678eb6014a8181ad95a7ea9e699de5efca4b18ec6a"
)
TRTLLM_GEN_BMM: str = (
"26c51b75921be90235d193675facdea5d8341c4c52c73bd0a7c8e787c0388beb"
)
TRTLLM_GEN_GEMM: str = (
"bd5c3227bec4f8d7a7d3a27fd7628e010d99a5c42651d0a6b97e146803e63340"
)


class CheckSumHash:
"""
This class is used to store the checksums of the cubin files in artifactory.
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12 changes: 7 additions & 5 deletions flashinfer/deep_gemm.py
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Expand Up @@ -41,7 +41,7 @@

import torch

from .artifacts import ArtifactPath, MetaInfoHash
from .artifacts import ArtifactPath
from .cuda_utils import checkCudaErrors
from .jit.cubin_loader import get_cubin
from .jit.env import FLASHINFER_CUBIN_DIR
Expand Down Expand Up @@ -1487,13 +1487,15 @@ def m_grouped_fp8_gemm_nt_masked(


class KernelMap:
def __init__(self, sha256: str):
self.sha256 = sha256
# Hash for kernel_map.json, updated when deepgemm cubins are republished
KERNEL_MAP_HASH = "f161e031826adb8c4f0d31ddbd2ed77e4909e4e43cdfc9728918162a62fcccfb"

def __init__(self):
self.indice = None
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@gemini-code-assist gemini-code-assist bot Nov 8, 2025

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medium

For better readability and consistency with the filename kernel_map.json, consider renaming the instance variable indice to kernel_map. This would make it clearer what this variable holds. This change would need to be applied to all usages of self.indice within the KernelMap class.

Suggested change
self.indice = None
self.kernel_map = None


def init_indices(self):
indice_path = ArtifactPath.DEEPGEMM + "/" + "kernel_map.json"
assert get_cubin(indice_path, self.sha256), (
assert get_cubin(indice_path, self.KERNEL_MAP_HASH), (
"cubin kernel map file not found, nor downloaded with matched sha256"
)
path = FLASHINFER_CUBIN_DIR / indice_path
Expand All @@ -1513,4 +1515,4 @@ def __getitem__(self, key):
return self.indice[key]


KERNEL_MAP = KernelMap(MetaInfoHash.DEEPGEMM)
KERNEL_MAP = KernelMap()