Xformers info , memory efficient atttention unavailable

### Describe the bug

I just started learning Stable Diffuision on Win11. After I installed xformers, I found several memory_efficient_attention string is unavailable. Is it possible to make them available? Thanks for any help.

### Reproduction

xFormers 0.0.28.post3
memory_efficient_attention.ckF: unavailable
memory_efficient_attention.ckB: unavailable
memory_efficient_attention.ck_decoderF: unavailable
memory_efficient_attention.ck_splitKF: unavailable
memory_efficient_attention.cutlassF-pt: available
memory_efficient_attention.cutlassB-pt: available
memory_efficient_attention.fa2F@v2.6.3-24-gbdf733b: available
memory_efficient_attention.fa2B@v2.6.3-24-gbdf733b: available
memory_efficient_attention.fa3F@0.0.0: unavailable
memory_efficient_attention.fa3B@0.0.0: unavailable
memory_efficient_attention.triton_splitKF: available
indexing.scaled_index_addF: available
indexing.scaled_index_addB: available
indexing.index_select: available
sequence_parallel_fused.write_values: available
sequence_parallel_fused.wait_values: available
sequence_parallel_fused.cuda_memset_32b_async: available
sp24.sparse24_sparsify_both_ways: available
sp24.sparse24_apply: available
sp24.sparse24_apply_dense_output: available
sp24._sparse24_gemm: available
sp24._cslt_sparse_mm_search@0.0.0: available
sp24._cslt_sparse_mm@0.0.0: available
swiglu.dual_gemm_silu: available
swiglu.gemm_fused_operand_sum: available
swiglu.fused.p.cpp: available
is_triton_available: True
pytorch.version: 2.5.1+cu124
pytorch.cuda: available
gpu.compute_capability: 8.9
gpu.name: NVIDIA GeForce RTX 4070
dcgm_profiler: unavailable
build.info: available
build.cuda_version: 1204
build.hip_version: None
build.python_version: 3.10.11
build.torch_version: 2.5.1+cu124
build.env.TORCH_CUDA_ARCH_LIST: 6.0+PTX 7.0 7.5 8.0+PTX 9.0a
build.env.PYTORCH_ROCM_ARCH: None
build.env.XFORMERS_BUILD_TYPE: Release
build.env.XFORMERS_ENABLE_DEBUG_ASSERTIONS: None
build.env.NVCC_FLAGS: -allow-unsupported-compiler
build.env.XFORMERS_PACKAGE_FROM: wheel-v0.0.28.post3
build.nvcc_version: 12.4.131
source.privacy: open source

### Logs

_No response_

### System Info

Win11, Python 3.10.6,pytorch 2.5.1+cu124, xFormers 0.0.28.post3, triton==3.0.0

### Who can help?

_No response_