llama.cpp b10431 release notes

ggml : recurrent state rollback for ggml_ssm_scan (#26623)

Initial changes for Recurrent state rollback for nemotron for cpu and cuda
Removing CPU RS rollback. Will enable it in subsequent PRs
addition of test case
Removing assert and calling runtime API to check if op is supported
removing extra API and updating the call sites for K
replace static cuda detection to runtime fused_op api
address review comments and fallback when SSM rollback not supprted
Adding changes for supporting RS-rollback in CPU. Also added test-backend-ops for cpu and cuda
removing memory manipulation as rs rollback is now supported in CPU
removing the static probe which is not needed now
correcting the format
address review comments
enabling test for all the backends, unsupported backends will fallback to CPU
Apply suggestions from code review

Co-authored-by: Georgi Gerganov ggerganov@gmail.com

choose different graph based on the result of fused_ssm_op is supported or not and also handled memory->n_rs_seq >1 case incase of op is not supported
Support K > 1 in ssm_scan for all backends
Fix CI Issues

Co-authored-by: Georgi Gerganov ggerganov@gmail.com Co-authored-by: Gaurav Garg gaugarg@nvidia.com

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