v2.3 Refactor 6/N

What's Changed

• [Refactor][6/N] CUDA Learn Notes refactor Part-6 by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/17
• [Refactor][5/N] CUDA Learn Notes refactor Part-6 by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/18
• [LayerNorm][Half] support fp16x8 packed LayerNorm by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/19
• [Reduce][Half] add HALF2 & BFLOAT2 macro by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/21
• [RMSNorm][Half] support fp16x8 packed RMSNorm by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/22
• [Bugfix][Kernel] fixed some kernel blocks calculate errors by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/23
• [Elementwise][Half] support fp16x8 packed Elementwise by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/24
• [Elementwise][Half] support fp16x8 packed Elementwise by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/25
• [RELU][Half] support fp16x8 RELU kernel by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/26
• [RMSNorm] support f16x8_f32 RMSNorm by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/28
• [RMSNorm][Kernel] Add FLOAT2/HALF2_VARIANCE macro by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/29
• [LayerNorm][Kernel] Add HALF2 SUM/SUB/VAR macro by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/30
• [HGEMM] Add slicked_k&t_8x8_sliced_k_f16x4 by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/31
• [HGEMV][Half] support hgemv k32/k128/f16 by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/32
• [FlashAttention] Refactor flash_attn_1_fwd_f32 kernel by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/33
• Bump up to v2.3 by @DefTruth in https://github.com/DefTruth/CUDA-Learn-Notes/pull/34

Full Changelog: DefTruth/CUDA-Learn-Notes@v2.2...v2.3