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version: sunnypilot v2026.003.000 (dev)
date: 2026-09-14T15:43:39
master commit: a5f44653d7
SQTT Profiling
Getting SQ Thread Trace
VIZ=2 to enable SQTT profiling.
SQTT_ITRACE_SE_MASK=X to select shader engines for instruction tracing, -1 = all, 0 = disabled, >0 = SE bitmask, default 0b11.
SQTT_BUFFER_SIZE=X to change size of SQTT buffer (per shader engine, 6 SEs on 7900xtx) in megabytes, default 256.
Viewing the traces
- Web UI:
tinygrad/viz/serve.py - Command line:
python -m tinygrad.renderer.amd.sqtt