Georgi Gerganov 77a73403ca ggml : add new Q4_2 quantization (ARM only) (#1046) ...

* ggml : Q4_2 ARM

* ggml : add ggml_is_quantized()

* llama : update llama_type_name() with Q4_2 entry

* ggml : speed-up q4_2

- 4 threads: ~100ms -> ~90ms
- 8 threads:  ~55ms -> ~50ms

* ggml : optimize q4_2 using vmlaq_n_f32 + vmulq_n_f32

2023-04-18 23:54:57 +03:00

1.6 KiB

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