llama : add Command R Plus support (llama/6491)

sync : ggml (#2001)

ggml : reuse quantum structs across backends (llama/5943)

Better 1.5 bit quantization (llama/5971)

ggml : remove old quantization functions (llama/5942)

ggml : add ggml-common.h to deduplicate shared code (llama/5940)

ggml : make i-quants work with super-blocks of 64 (CPU,Metal) (llama/5760)

IQ4_XS: a 4.25 bpw quantization (llama/5747)

Adding IQ2_S and IQ2_M to complete coverage of the 2-3 bit quantization range (llama/5721)

IQ3_S: a much better alternative to Q3_K (llama/5676)

sync : llama.cpp (ggml/0)

1.5 bit quantization (llama/5453)

ggml : add mmla kernels for quantized GEMM (llama/4966)

ggml : make use of ggml-quants.h possible in C++ code (llama/5338)

SOTA 3-bit quants (llama/5196)

ggml : add IQ2 to test-backend-ops + refactoring (llama/4990)

ggml : importance matrix support for legacy quants (llama/4969)

Add ability to use importance matrix for all k-quants (llama/4930)

2-bit quantizations (llama/4897)

ggml : SOTA 2-bit quants (add IQ2_XS) (llama/4856)

SOTA 2-bit quants (llama/4773)

ggml : fix q2_k bpw in comments (ggml/680)

sync : ggml (backend v2, k-quants, CUDA opts, Metal opts, etc.) (#1422)