llama: fix kv loading on snowflake-arctic-embed models (#9536)

llama/llama.cpp/src/llama-vocab.cpp

@@ -1443,7 +1443,7 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
 
             const int precompiled_charsmap_keyidx = gguf_find_key(ctx, kv(LLM_KV_TOKENIZER_PRECOMPILED_CHARSMAP).c_str());
             if (precompiled_charsmap_keyidx != -1) {
-                size_t n_precompiled_charsmap = gguf_get_arr_n(ctx, precompiled_charsmap_keyidx);
+                size_t n_precompiled_charsmap = gguf_get_arr_data_n(ctx, precompiled_charsmap_keyidx);
                 const char * pc = (const char *) gguf_get_arr_data(ctx, precompiled_charsmap_keyidx);
                 precompiled_charsmap.assign(pc, pc + n_precompiled_charsmap);
 #ifdef IS_BIG_ENDIAN

llama/patches/0019-fix-string-arr-kv-loading.patch

@@ -0,0 +1,64 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: jmorganca <jmorganca@gmail.com>
+Date: Wed, 5 Mar 2025 17:41:07 -0800
+Subject: [PATCH] fix string arr kv loading
+
+---
+ ggml/include/gguf.h | 1 +
+ ggml/src/gguf.cpp   | 7 +++++--
+ src/llama-vocab.cpp | 2 +-
+ 3 files changed, 7 insertions(+), 3 deletions(-)
+
+diff --git a/ggml/include/gguf.h b/ggml/include/gguf.h
+index 79ee2020..3efb22f0 100644
+--- a/ggml/include/gguf.h
++++ b/ggml/include/gguf.h
+@@ -114,6 +114,7 @@ extern "C" {
+     // get raw pointer to the first element of the array with the given key_id
+     // for bool arrays, note that they are always stored as int8 on all platforms (usually this makes no difference)
+     GGML_API const void * gguf_get_arr_data(const struct gguf_context * ctx, int64_t key_id);
++    GGML_API size_t       gguf_get_arr_data_n(const struct gguf_context * ctx, int64_t key_id);
+ 
+     // get ith C string from array with given key_id
+     GGML_API const char * gguf_get_arr_str (const struct gguf_context * ctx, int64_t key_id, size_t i);
+diff --git a/ggml/src/gguf.cpp b/ggml/src/gguf.cpp
+index ab13669c..f75b923f 100644
+--- a/ggml/src/gguf.cpp
++++ b/ggml/src/gguf.cpp
+@@ -777,10 +777,14 @@ enum gguf_type gguf_get_arr_type(const struct gguf_context * ctx, int64_t key_id
+ 
+ const void * gguf_get_arr_data(const struct gguf_context * ctx, int64_t key_id) {
+     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
+-    GGML_ASSERT(ctx->kv[key_id].get_type() != GGUF_TYPE_STRING);
+     return ctx->kv[key_id].data.data();
+ }
+ 
++size_t gguf_get_arr_data_n(const struct gguf_context * ctx, int64_t key_id) {
++    GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
++    return ctx->kv[key_id].data.size();
++}
++
+ const char * gguf_get_arr_str(const struct gguf_context * ctx, int64_t key_id, size_t i) {
+     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
+     GGML_ASSERT(ctx->kv[key_id].get_type() == GGUF_TYPE_STRING);
+@@ -874,7 +878,6 @@ const char * gguf_get_val_str(const struct gguf_context * ctx, int64_t key_id) {
+ const void * gguf_get_val_data(const struct gguf_context * ctx, int64_t key_id) {
+     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
+     GGML_ASSERT(ctx->kv[key_id].get_ne() == 1);
+-    GGML_ASSERT(ctx->kv[key_id].get_type() != GGUF_TYPE_STRING);
+     return ctx->kv[key_id].data.data();
+ }
+ 
+diff --git a/src/llama-vocab.cpp b/src/llama-vocab.cpp
+index c7ff28be..7a185443 100644
+--- a/src/llama-vocab.cpp
++++ b/src/llama-vocab.cpp
+@@ -1443,7 +1443,7 @@ void llama_vocab::impl::load(llama_model_loader & ml, const LLM_KV & kv) {
+ 
+             const int precompiled_charsmap_keyidx = gguf_find_key(ctx, kv(LLM_KV_TOKENIZER_PRECOMPILED_CHARSMAP).c_str());
+             if (precompiled_charsmap_keyidx != -1) {
+-                size_t n_precompiled_charsmap = gguf_get_arr_n(ctx, precompiled_charsmap_keyidx);
++                size_t n_precompiled_charsmap = gguf_get_arr_data_n(ctx, precompiled_charsmap_keyidx);
+                 const char * pc = (const char *) gguf_get_arr_data(ctx, precompiled_charsmap_keyidx);
+                 precompiled_charsmap.assign(pc, pc + n_precompiled_charsmap);
+ #ifdef IS_BIG_ENDIAN

ml/backend/ggml/ggml/include/gguf.h

@@ -114,6 +114,7 @@ extern "C" {
     // get raw pointer to the first element of the array with the given key_id
     // for bool arrays, note that they are always stored as int8 on all platforms (usually this makes no difference)
     GGML_API const void * gguf_get_arr_data(const struct gguf_context * ctx, int64_t key_id);
+    GGML_API size_t       gguf_get_arr_data_n(const struct gguf_context * ctx, int64_t key_id);
 
     // get ith C string from array with given key_id
     GGML_API const char * gguf_get_arr_str (const struct gguf_context * ctx, int64_t key_id, size_t i);

ml/backend/ggml/ggml/src/gguf.cpp

@@ -777,10 +777,14 @@ enum gguf_type gguf_get_arr_type(const struct gguf_context * ctx, int64_t key_id
 
 const void * gguf_get_arr_data(const struct gguf_context * ctx, int64_t key_id) {
     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
-    GGML_ASSERT(ctx->kv[key_id].get_type() != GGUF_TYPE_STRING);
     return ctx->kv[key_id].data.data();
 }
 
+size_t gguf_get_arr_data_n(const struct gguf_context * ctx, int64_t key_id) {
+    GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
+    return ctx->kv[key_id].data.size();
+}
+
 const char * gguf_get_arr_str(const struct gguf_context * ctx, int64_t key_id, size_t i) {
     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
     GGML_ASSERT(ctx->kv[key_id].get_type() == GGUF_TYPE_STRING);
@@ -874,7 +878,6 @@ const char * gguf_get_val_str(const struct gguf_context * ctx, int64_t key_id) {
 const void * gguf_get_val_data(const struct gguf_context * ctx, int64_t key_id) {
     GGML_ASSERT(key_id >= 0 && key_id < gguf_get_n_kv(ctx));
     GGML_ASSERT(ctx->kv[key_id].get_ne() == 1);
-    GGML_ASSERT(ctx->kv[key_id].get_type() != GGUF_TYPE_STRING);
     return ctx->kv[key_id].data.data();
 }