Add validate test matrix and GPU test methodology docs

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

bible-local/docs/customer-gpu-test-methodology.md

@@ -0,0 +1,54 @@
+# GPU PCIe Test Methodology
+
+## Validate
+
+- CPU check
+  - `lscpu`
+  - `sensors`
+  - `stress-ng`
+- Memory check
+  - `free`
+  - `timeout <timeout_sec> memtester`
+  - `free`
+- NVMe storage check
+  - `nvme id-ctrl`
+  - `nvme smart-log`
+  - `nvme device-self-test`
+- SATA/SAS storage check
+  - `smartctl -H -A`
+  - `smartctl -t short`
+- Basic NVIDIA GPU check
+  - `nvidia-smi -pm 1`
+  - `nvidia-smi -q`
+  - `dmidecode -t baseboard`
+  - `dmidecode -t system`
+  - `dcgmi diag -r 2`
+- Inter-GPU communication check
+  - `all_reduce_perf`
+- GPU bandwidth check
+  - `dcgmi diag -r nvbandwidth`
+
+## Validate -> Stress
+
+- Extended NVIDIA GPU check
+  - `nvidia-smi -pm 1`
+  - `nvidia-smi -q`
+  - `dmidecode -t baseboard`
+  - `dmidecode -t system`
+  - `dcgmi diag -r 3`
+- NVIDIA targeted stress
+  - `nvidia-smi -pm 1`
+  - `nvidia-smi -q`
+  - `dcgmi diag -r targeted_stress`
+- NVIDIA targeted power
+  - `nvidia-smi -pm 1`
+  - `nvidia-smi -q`
+  - `dcgmi diag -r targeted_power`
+- NVIDIA pulse test
+  - `nvidia-smi -pm 1`
+  - `nvidia-smi -q`
+  - `dcgmi diag -r pulse_test`
+- Inter-GPU communication check
+  - `all_reduce_perf`
+- GPU bandwidth check
+  - `dcgmi diag -r nvbandwidth`