{
  "date": "2026-10-19",
  "hardware": "NVIDIA_B300",
  "definitions": [
    {
      "definition": "prefix_cached_block_causal_h32_d128",
      "solution": "fa4_prefix_h32_d128",
      "path": "solutions/block_causal_attention/fa4_prefix_h32_d128.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "prefix_cached_block_causal_h32_d128_prefix0",
      "solution": "fa4_prefix0_h32_d128",
      "path": "solutions/block_causal_attention/fa4_prefix0_h32_d128.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "noncausal_dense_attention_h32_d128",
      "solution": "fa4_noncausal_h32_d128",
      "path": "solutions/dense_attention/fa4_noncausal_h32_d128.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "noncausal_dense_attention_h32_d64",
      "solution": "fa4_noncausal_h32_d64",
      "path": "solutions/dense_attention/fa4_noncausal_h32_d64.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "gdn_decode_qk4_v8_d128_k_last",
      "solution": "flashinfer_gdn_decode",
      "path": "solutions/gdn/flashinfer_gdn_decode.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "gdn_prefill_qk4_v8_d128_k_last",
      "solution": "flashinfer_gdn_prefill",
      "path": "solutions/gdn/flashinfer_gdn_prefill.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "dense_gemm_bf16_nt_n12288_k4096",
      "solution": "deepgemm_bf16_n12288_k4096",
      "path": "solutions/gemm/deepgemm_bf16_n12288_k4096.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "dense_gemm_bf16_nt_n4096_k12288",
      "solution": "deepgemm_bf16_n4096_k12288",
      "path": "solutions/gemm/deepgemm_bf16_n4096_k12288.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "dense_gemm_bf16_nt_n4096_k4096",
      "solution": "hybrid_bf16_n4096_k4096",
      "path": "solutions/gemm/hybrid_bf16_n4096_k4096.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "grouped_gemm_fp8_fp4_e384_n4608_k5120_g32",
      "solution": "deepgemm_n4608_k5120",
      "path": "solutions/grouped_gemm/deepgemm_n4608_k5120.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "grouped_gemm_fp8_fp4_e384_n5120_k2304_g32",
      "solution": "deepgemm_n5120_k2304",
      "path": "solutions/grouped_gemm/deepgemm_n5120_k2304.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "mixed_mla_decode_deepseek41_h64_d512_k8128_k4512",
      "solution": "flashmla_v41",
      "path": "solutions/mixed_mla/flashmla_v41.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "moe_router_gemm_topk_deepseek41_d5120_e384_topk6",
      "solution": "fused_router",
      "path": "solutions/moe_router/fused_router.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "neighborhood_attention_3d_h16_d64_kt3_ky7_kx7",
      "solution": "natten_blackwell_h16_3x7x7",
      "path": "solutions/neighborhood_attention/natten_blackwell_h16_3x7x7.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "neighborhood_attention_3d_h32_d64_kt3_ky7_kx7",
      "solution": "natten_blackwell_h32_3x7x7",
      "path": "solutions/neighborhood_attention/natten_blackwell_h32_3x7x7.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "neighborhood_attention_3d_h4_d64_kt11_ky11_kx11",
      "solution": "natten_blackwell_h4_11x11x11",
      "path": "solutions/neighborhood_attention/natten_blackwell_h4_11x11x11.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "neighborhood_attention_3d_h8_d64_kt3_ky5_kx5",
      "solution": "natten_blackwell_h8_3x5x5",
      "path": "solutions/neighborhood_attention/natten_blackwell_h8_3x5x5.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "qsa_index_topk_decode_qwen38_h4_d128_topk512_c4",
      "solution": "sglang_tilelang_index",
      "path": "solutions/qsa_index/sglang_tilelang_index.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "qsa_sparse_gqa_decode_qwen38_h24_kv2_d256_topk512_c4",
      "solution": "trtllm_sparse_gqa",
      "path": "solutions/qsa_attention/trtllm_sparse_gqa.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "sparse_mla_prefill_h64_d512_k128",
      "solution": "flashmla_prefill_k128",
      "path": "solutions/sparse_mla/flashmla_prefill_k128.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    },
    {
      "definition": "sparse_mla_prefill_h64_d512_k640",
      "solution": "flashmla_prefill_k640",
      "path": "solutions/sparse_mla/flashmla_prefill_k640.json",
      "scope": "B300 current captured workloads; selected maintained path after scoped comparisons, not a fastest-for-every-shape or global-optimality claim"
    }
  ]
}