[pull] master from ggml-org:master#182
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pull[bot] merged 5 commits intoLongLeCE:masterfrom Jul 19, 2025
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* imatrix : allow processing multiple chunks per batch * perplexity : simplify filling the batch * imatrix : fix segfault when using a single chunk per batch * imatrix : use GGUF to store imatrix data * imatrix : fix conversion problems * imatrix : use FMA and sort tensor names * py : add requirements for legacy imatrix convert script * perplexity : revert changes * py : include imatrix converter requirements in toplevel requirements * imatrix : avoid using designated initializers in C++ * imatrix : remove unused n_entries * imatrix : allow loading mis-ordered tensors Sums and counts tensors no longer need to be consecutive. * imatrix : more sanity checks when loading multiple imatrix files * imatrix : use ggml_format_name instead of std::string concatenation Co-authored-by: Xuan Son Nguyen <son@huggingface.co> * quantize : use unused imatrix chunk_size with LLAMA_TRACE * common : use GGUF for imatrix output by default * imatrix : two-way conversion between old format and GGUF * convert : remove imatrix to gguf python script * imatrix : use the function name in more error messages * imatrix : don't use FMA explicitly This should make comparisons between the formats easier because this matches the behavior of the previous version. * imatrix : avoid returning from void function save_imatrix * imatrix : support 3d tensors with MUL_MAT * quantize : fix dataset name loading from gguf imatrix * common : move string_remove_suffix from quantize and imatrix Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com> * imatrix : add warning when legacy format is written * imatrix : warn when writing partial data, to help guess dataset coverage Also make the legacy format store partial data by using neutral values for missing data. This matches what is done at read-time for the new format, and so should get the same quality in case the old format is still used. * imatrix : avoid loading model to convert or combine imatrix * imatrix : avoid using imatrix.dat in README --------- Co-authored-by: Xuan Son Nguyen <son@huggingface.co> Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
* ggml/ggml-vulkan/test-backend-ops: adds CONV_2D for Vulkan * ggml-vulkan: adds f32 scalar shader to compute 2D convolution directly with gemm (no need for im2col), * test-backend-ops: adds test_case_ref to check the validity/performance of ops against reference implementations having different graphs, adds tests * * Performance fixes: minimized branch divergence, uses collectives to eliminate redundant calculation, macros removed. * Kernel shared memory size check * Updates test-backend-ops to support graphs for performance measurement. * * Apple/Win32 compile errors fixed * Subgroup size used to determine tile size -> fixes llvmpipe errors. * Collectives disabled by default. * Intel support is disabled as the performance is poor. * Conv2d enabled for Intel with disabled collectives, disabled for Apple * test-backend-ops modifications are reverted * Trailing spaces and missing override fixed. * Triggering pipeline relaunch. * Code formatted with .clang-format.
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