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-rw-r--r--examples/quantize/quantize.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/examples/quantize/quantize.cpp b/examples/quantize/quantize.cpp
new file mode 100644
index 0000000..f0230f5
--- /dev/null
+++ b/examples/quantize/quantize.cpp
@@ -0,0 +1,60 @@
+#include "ggml.h"
+#include "llama.h"
+
+#include <cstdio>
+#include <string>
+
+const int QK = 32;
+
+// usage:
+// ./llama-quantize models/llama/ggml-model.bin models/llama/ggml-model-quant.bin type
+//
+int main(int argc, char ** argv) {
+ ggml_time_init();
+
+ if (argc != 4) {
+ fprintf(stderr, "usage: %s model-f32.bin model-quant.bin type\n", argv[0]);
+ fprintf(stderr, " type = 2 - q4_0\n");
+ fprintf(stderr, " type = 3 - q4_1\n");
+ return 1;
+ }
+
+ // needed to initialize f16 tables
+ {
+ struct ggml_init_params params = { 0, NULL };
+ struct ggml_context * ctx = ggml_init(params);
+ ggml_free(ctx);
+ }
+
+ const std::string fname_inp = argv[1];
+ const std::string fname_out = argv[2];
+
+ const int itype = atoi(argv[3]);
+
+ const int64_t t_main_start_us = ggml_time_us();
+
+ int64_t t_quantize_us = 0;
+
+ // load the model
+ {
+ const int64_t t_start_us = ggml_time_us();
+
+ if (llama_model_quantize(fname_inp.c_str(), fname_out.c_str(), itype, QK)) {
+ fprintf(stderr, "%s: failed to quantize model from '%s'\n", __func__, fname_inp.c_str());
+ return 1;
+ }
+
+ t_quantize_us = ggml_time_us() - t_start_us;
+ }
+
+ // report timing
+ {
+ const int64_t t_main_end_us = ggml_time_us();
+
+ printf("\n");
+ printf("%s: quantize time = %8.2f ms\n", __func__, t_quantize_us/1000.0f);
+ printf("%s: total time = %8.2f ms\n", __func__, (t_main_end_us - t_main_start_us)/1000.0f);
+ }
+
+ return 0;
+}