# Command: ./build/bin/llama-imatrix -m Spark-X2.5-4B-BF16.gguf -f calibration_data.txt -o Spark-X2.5-4B-imatrix.gguf -c 512 --chunks 128 -t 8
# Note: terminal-visible tail of the final (clean) run; early chunks scrolled off.
# A previous full run produced an identical final PPL (49.3694 +/- 1.09206), confirming determinism.
# --- run output below ---
[89]51.5243,[90]51.4395,[91]51.7192,[92]51.8162,[93]52.3294,[94]52.1363,[95]51.7138,[96]51.5093,23.32.001.298 W
save_imatrix: saving imatrix using GGUF format with a different suffix than .gguf
23.32.001.316 W save_imatrix: if you want the previous imatrix format, use --output-format dat

[97]51.4544,[98]52.8739,[99]52.7433,[100]52.5876,[101]53.3877,[102]52.9241,[103]52.1672,[104]51.4715,[105]50.7402,[106]51.1758,[107]51.6608,[108]50.9367,25.54.279.108 W
save_imatrix: saving imatrix using GGUF format with a different suffix than .gguf
25.54.279.127 W save_imatrix: if you want the previous imatrix format, use --output-format dat

[109]51.5952,[110]52.0192,[111]51.6026,[112]51.1949,[113]50.7800,[114]51.0304,[115]50.4734,[116]51.0291,28.15.994.809 W
save_imatrix: saving imatrix using GGUF format with a different suffix than .gguf
28.15.994.812 W save_imatrix: if you want the previous imatrix format, use --output-format dat

[117]51.2028,[118]51.4231,[119]50.3916,[120]50.9860,[121]50.5352,[122]50.0576,[123]49.6900,[124]49.4488,[125]49.1098,[126]49.0112,[127]48.7618,[128]49.3694,
Final estimate: PPL = 49.3694 +/- 1.09206
30.23.999.092 W
save_imatrix: saving imatrix using GGUF format with a different suffix than .gguf
30.23.999.093 W save_imatrix: if you want the previous imatrix format, use --output-format dat