Use the corresponding size

EAddario · compilade · web-flow · commit e3149a216869 · 2025-08-17T07:24:27.000+01:00
Co-authored-by: compilade &lt;git@compilade.net&gt;
diff --git a/tools/imatrix/imatrix.cpp b/tools/imatrix/imatrix.cpp
@@ -761,7 +761,7 @@ void IMatrixCollector::save_imatrix(int32_t n_chunk) const {
                 const int32_t nact = (int32_t) stat.activations.size();
                 struct ggml_tensor * in_sum  = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, nact / nmat, nmat);
                 ggml_format_name(in_sum, "%s.in_sum", name.c_str());
-                for (int32_t j = 0; j < nval; ++j) {
+                for (int32_t j = 0; j < nact; ++j) {
                     ((float *) in_sum->data)[j] = (float) stat.activations[j];
                 }
                 gguf_add_tensor(ctx_gguf, in_sum);

Original file line number	Diff line number	Diff line change
`@@ -761,7 +761,7 @@ void IMatrixCollector::save_imatrix(int32_t n_chunk) const {`
`761`	`761`	`const int32_t nact = (int32_t) stat.activations.size();`
`762`	`762`	`struct ggml_tensor * in_sum = ggml_new_tensor_2d(ctx, GGML_TYPE_F32, nact / nmat, nmat);`
`763`	`763`	`ggml_format_name(in_sum, "%s.in_sum", name.c_str());`
`764`		`- for (int32_t j = 0; j < nval; ++j) {`
	`764`	`+ for (int32_t j = 0; j < nact; ++j) {`
`765`	`765`	`((float *) in_sum->data)[j] = (float) stat.activations[j];`
`766`	`766`	`}`
`767`	`767`	`gguf_add_tensor(ctx_gguf, in_sum);`