Add Vincent reproducer for cholesky

vincent/chol/.gitignore

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+out/

vincent/chol/flake.lock

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+{
+  "nodes": {
+    "jungle": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      },
+      "locked": {
+        "lastModified": 1769187376,
+        "narHash": "sha256-H8aMWt4OVwXWoUPPSZuj0eSq3Ur17nY62Ap+hYiQy3o=",
+        "ref": "refs/heads/master",
+        "rev": "deb0cd1488b8d72ad1395b25aa4dbbdf721274d9",
+        "revCount": 1533,
+        "type": "git",
+        "url": "https://jungle.bsc.es/git/rarias/jungle"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://jungle.bsc.es/git/rarias/jungle"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1767634882,
+        "narHash": "sha256-2GffSfQxe3sedHzK+sTKlYo/NTIAGzbFCIsNMUPAAnk=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3c9db02515ef1d9b6b709fc60ba9a540957f661c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-25.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "jungle": "jungle"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

vincent/chol/flake.nix

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+{
+  inputs.jungle.url = "git+https://jungle.bsc.es/git/rarias/jungle";
+  outputs = { self, jungle }:
+  let
+    nixpkgs = jungle.inputs.nixpkgs;
+    customOverlay = (final: prev: {
+
+      # Build blis for Fox architecture and without OpenMP
+      amd-blis = (prev.amd-blis.override {
+        withOpenMP = false;
+        withArchitecture = "zen4";
+      }).overrideAttrs (old: {
+        hardeningDisable = [ "all" ];
+      });
+
+      # Disable OpenMP in flame
+      amd-libflame = (prev.amd-libflame.override {
+        withOpenMP = false;
+      }).overrideAttrs (old: {
+        hardeningDisable = [ "all" ];
+      });
+
+      # Build bench6 with blis
+      bench6 = prev.bench6.overrideAttrs (old: {
+        buildInputs = with final; [
+          bigotes
+          openmp
+          openmpv
+          nanos6
+          nodes
+          nosv
+          mpi
+          tampi
+          ovni
+          amd-blis
+          amd-libflame
+        ];
+        cmakeFlags = (old.cmakeFlags or []) ++ [
+          "-DCBLAS_INCLUDE_DIR=${final.amd-blis}/include/blis"
+          "-DLAPACKE_INCLUDE_DIR=${final.amd-libflame}/include"
+          "-DLAPACKE_LIBRARY=${final.amd-libflame}/lib/liblapacke.so.3"
+        ];
+      });
+    });
+    pkgs = import nixpkgs {
+      system = "x86_64-linux";
+      overlays = [
+        jungle.outputs.bscOverlay
+        customOverlay
+      ];
+    };
+  in {
+    devShells.x86_64-linux.default = pkgs.mkShell {
+      pname = "devshell";
+      packages = with pkgs; [
+        bench6 bigotes ministat
+      ];
+    };
+    packages.x86_64-linux.bench6 = pkgs.bench6;
+  };
+}

vincent/chol/run.sh

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+#!/bin/sh
+
+if [ -z "$1" ]; then
+	exec nix develop -c $0 run
+	#exec srun -J chol -p fox --exclusive nix develop -c $0 run
+fi
+
+set -eux
+
+size=$((32*1024))
+bs=512
+
+b6dir=$(which b6_cholesky_nodes | awk -F/ '{print $4}')
+wdir="out/$b6dir"
+
+mkdir -p "$wdir"
+
+log="$wdir/b6_cholesky_nodes-$size-$bs.csv"
+bigotes -o "$log" -- b6_cholesky_nodes $size $bs
+ministat -w80 "$log"