add an env variable to print out the quantization parameter

src/include/migraphx/quantization.hpp

@@ -8,12 +8,15 @@
 #include <migraphx/config.hpp>
 #include <migraphx/target.hpp>
 #include <migraphx/program.hpp>
+#include <migraphx/env.hpp>
 
 namespace migraphx {
 inline namespace MIGRAPHX_INLINE_NS {
 
 struct program;
 
+MIGRAPHX_DECLARE_ENV_VAR(MIGRAPHX_INT8_QUANTIZATION_PARAMS)
+
 void quantize_fp16(program& prog, const std::vector<std::string>& ins_names);
 void quantize_fp16(program& prog);
 

src/quantization.cpp

@@ -309,6 +309,15 @@ void quantize_int8(program& prog,
                    const std::vector<std::pair<float, float>>& quant_params,
                    const std::vector<std::string>& ins_names)
 {
+    if(enabled(MIGRAPHX_INT8_QUANTIZATION_PARAMS{})) {
+        for (std::size_t i = 0; i < quant_params.size(); ++i)
+        {
+            auto param = quant_params.at(i);
+            std::cout << "ins_index = " << i << ", scale = " << param.first << ", shift = " << param.second << std::endl;
+        }
+        std::cout << std::endl;
+    }
+
     // For now, we only support the int8 quantization of gemm and convolution
     std::vector<std::string> op_names = {"dot", "convolution"};
     if(!std::all_of(ins_names.begin(), ins_names.end(), [&](auto name) {