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llama.cpp
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Ed Addario 2025-08-22 09:02:56 +01:00
parent 35c1504441
commit bb0d912c1f
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1 changed files with 3 additions and 2 deletions
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src/llama-quant.cpp
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@ -703,6 +703,7 @@ static std::unordered_map<std::string, ggml_type> target_bpw_type(
auto name_tn = LLM_TN(model.arch);
auto can_quantize = [&](const ggml_tensor * t) -> bool {
// This list should be kept in sync with llama_tensor_quantize_impl()
const std::string name = ggml_get_name(t);
bool q = name.rfind("weight") == name.size() - 6;
q &= ggml_n_dims(t) >= 2;
@ -902,7 +903,7 @@ static std::unordered_map<std::string, ggml_type> target_bpw_type(
constexpr float bias_lambda = 1.0;
//bias_lambda defines the weight of the bias term in the weigthed MSE error function
// 0.0 means no bias (standard MSE) 1.0 means equal weight for bias and error,
// 2.0 means twice as much weight for bias, etc
// 2.0 means twice as much weight for bias, etc. Default is 1.0.
if (activations && bias_lambda != 0.0) {
const double proj = bias_numerator * bias_numerator / (bias_denominator + epsilon);
err_numerator += bias_lambda * proj;
@ -1192,7 +1193,7 @@ static std::unordered_map<std::string, ggml_type> target_bpw_type(
double bpw_now = current_bpw();
float target_bpw = params->target_bpw;
// If minimal bpw is already above the target, we're constrained by geometry; return closest (min bpw)
// If minimal bpw is already above the target, we're constrained by the tensor's shape; return closest (min bpw)
if (bpw_now >= target_bpw) {
std::unordered_map<std::string, ggml_type> overrides;
for (const auto & ti : all) {