The Context: The Invisible Ingestion Wall Most ingestion pipelines fail because they treat data as "text." In high-performance systems, text doesn't exist—only bytes and CPU cycles. While building Forge-Core, I realized that standard fgets or sscanf patterns are a massive "tax" on the CPU. The Bottleneck: Branch Misprediction & Buffer Bloat My early attempts hit a ceiling. Even with multi-threading, I couldn't break 50M Rows/Sec. The profiler (perf) exposed the truth: Instruction Flow Stalls: The CPU was guessing wrong on comma locations. Memory Redundancy: Data was being copied three times before it was even validated. The Pivot: SIMD Structural Indexing To break 200M, I had to stop "parsing" and start "indexing." I moved the logic from scalar loops into AVX2 SIMD Bitmasks. The Core Kernel Logic: Instead of looking for a comma one byte at a time, we load 32 bytes and create a bitmask of all structural delimiters simultaneously.…