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[GDN] Restrict chunk_delta_h Blackwell autotune stages #946

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[GDN] Restrict chunk_delta_h Blackwell autotune stages #946

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6 changes: 3 additions & 3 deletions fla/ops/common/chunk_delta_h.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
from fla.ops.utils import prepare_chunk_indices, prepare_chunk_offsets
from fla.ops.utils.cache import fla_cache_autotune
from fla.ops.utils.op import exp2
from fla.utils import IS_NVIDIA_HOPPER, USE_CUDA_GRAPH, autotune_cache_kwargs, check_shared_mem
from fla.utils import IS_NVIDIA_BLACKWELL, IS_NVIDIA_HOPPER, USE_CUDA_GRAPH, autotune_cache_kwargs, check_shared_mem

NUM_WARPS = [2, 4] if IS_NVIDIA_HOPPER else [2, 4, 8, 16]

Expand All @@ -30,7 +30,7 @@
configs=[
triton.Config({'BV': BV}, num_warps=num_warps, num_stages=num_stages)
for num_warps in [2, 4]
for num_stages in ([2, 3, 4] if check_shared_mem('ampere') else [2, 1])
for num_stages in ([4] if IS_NVIDIA_BLACKWELL else [2, 3, 4] if check_shared_mem('ampere') else [2, 1])
for BV in ([32, 64] if check_shared_mem('ada') else [32])
],
key=['H', 'HV', 'K', 'V', 'BT', 'STATE_V_FIRST'],
Expand Down Expand Up @@ -305,7 +305,7 @@ def chunk_gated_delta_rule_fwd_kernel_h_blockdim64(
configs=[
triton.Config({'BV': BV}, num_warps=num_warps, num_stages=num_stages)
for num_warps in [2, 4]
for num_stages in ([2, 3, 4] if check_shared_mem('ampere') else [1])
for num_stages in ([4] if IS_NVIDIA_BLACKWELL else [2, 3, 4] if check_shared_mem('ampere') else [1])
for BV in ([32, 64] if check_shared_mem('ada') else [32])
],
key=['H', 'HV', 'K', 'V', 'BT', 'BV', 'USE_G', 'STATE_V_FIRST'],
Expand Down
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