Internal change.

PiperOrigin-RevId: 762106575

Author: The gemma.cpp Authors

gemma/configs.cc

@@ -574,7 +574,7 @@ ModelConfig::ModelConfig(const Model model, Type weight,
 static Model FindModel(const std::string& specifier) {
   Model found_model = Model::UNKNOWN;
   ForEachModel([&](Model model) {
-    const char* prefix = ModelPrefix(model);
+    const std::string prefix = std::string(ModelPrefix(model)) + "-";
     if (specifier.rfind(prefix, 0) == 0) {  // Starts with prefix.
       // We only expect one match.
       HWY_ASSERT_M(found_model == Model::UNKNOWN, specifier.c_str());

gemma/weights.h

@@ -136,7 +136,8 @@ struct LayerWeightsPtrs {
         key_norm_scale(Concat("key_norm", suffix_), tensors),
         query_norm_scale(Concat("query_norm", suffix_), tensors),
 
-        layer_config(config) {}
+        layer_config(config) {
+        }
   ~LayerWeightsPtrs() = default;
 
   const std::string suffix_;
@@ -261,7 +262,7 @@ struct LayerWeightsPtrs {
       func(TENSOR_ARGS(gating_einsum_w, kMaybeRead));
       func(TENSOR_ARGS(gating_einsum_w1, kMaybeRead));
       func(TENSOR_ARGS(gating_einsum_w2, kMaybeRead));
-      func(TENSOR_ARGS(linear_w, kMustRead));
+      func(TENSOR_ARGS(linear_w, kMaybeRead));
       func(TENSOR_ARGS(pre_attention_norm_scale, kMustRead));
       func(TENSOR_ARGS(pre_ffw_norm_scale, kMustRead));
     }