如何解决如何解决 hls4ml 的这个问题？
我正在尝试运行示例代码 as shown on the documentation page of hls4ml，但在运行以下内容时：
import hls4ml
#Fetch a keras model from our example repository
#This will download our example model to your working directory and return an example configuration file
config = hls4ml.utils.fetch_example_model('KERAS_3layer.json')
print(config) #You can print it to see some default parameters
#Convert it to a hls project
hls_model = hls4ml.converters.keras_to_hls(config)
#Use Vivado HLS to synthesize the model
#This might take several minutes
hls_model.build()
#Print out the report if you want
hls4ml.report.read_vivado_report('my-hls-test')
输出是
Downloading example model files ...
{'OutputDir': 'my-hls-test','ProjectName': 'myproject','XilinxPart': 'xcku115-flvb2104-2-i','ClockPeriod': 5,'Backend': 'Vivado','IOType': 'io_parallel','HLSConfig': {'Model': {'Precision': 'ap_fixed<16,6>','ReuseFactor': '1'}},'KerasJson': 'KERAS_3layer.json','KerasH5': 'KERAS_3layer_weights.h5'}
Interpreting Model
Topology:
Layer name: input_1,layer type: InputLayer,current shape: [[None,16]]
Layer name: fc1_relu,layer type: Dense,16]]
Layer name: fc2_relu,64]]
Layer name: fc3_relu,32]]
Layer name: output_softmax,32]]
Creating HLS model
Synthesis report not found.
Found 1 solution(s) in my-hls-test/myproject_prj.
Reports for solution "solution1":
C SIMULATION RESULT:
INFO: [SIM 2] *************** CSIM start ***************
INFO: [SIM 4] CSIM will launch GCC as the compiler.
make: 'csim.exe' is up to date.
INFO: Unable to open input/predictions file,using default input.
0.0292969 0.756836 0.0546875 0.139648 0.0371094
INFO: Saved inference results to file: tb_data/csim_results.log
INFO: [SIM 1] CSim done with 0 errors.
INFO: [SIM 3] *************** CSIM finish ***************
Synthesis report not found.
Co-simulation report not found.
请注意，最后两行是指构建过程和报告的返回。
我通过 Anaconda Navigator 在 Jupyter Notebook (6.0.3) 上运行它，Python 版本是 3.6.9，hls4ml 版本是 0.5.0
我无法理解这是由于安装还是代码等原因造成的错误。
对导致这种情况的原因有任何想法吗？
我认为这是特定于 hls4ml 的，但遗憾的是它在 StackOverflow 中不作为标签存在。
更新
我遇到的最初问题（即我的目录有一个空格 ' '，这是一个非法字符）让我运行 vivado_hls -f build_prj.tcl "csim=1 synth=1 cosim=1 export=1"，这向我展示了一系列新问题。即，我收到这些错误：
***** C/RTL SYNTHESIS *****
INFO: [SCHED 204-61] Option 'relax_ii_for_timing' is enabled,will increase II to preserve clock frequency constraints.
INFO: [HLS 200-10] Analyzing design file 'firmware/myproject.cpp' ...
ERROR: [HLS 200-70] Compilation errors found: In file included from firmware/myproject.cpp:1:
In file included from firmware/myproject.cpp:19:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\iostream:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\ostream:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\ios:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\exception:151:
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\exception_ptr.h:132:13: error: unknown type name 'type_info'
const type_info*
^
In file included from firmware/myproject.cpp:1:
In file included from firmware/myproject.cpp:19:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\iostream:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\ostream:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\ios:39:
In file included from D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\exception:151:
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:62:5: error: the parameter for this explicitly-defaulted copy constructor is const,but a member or base requires it to be non-const
nested_exception(const nested_exception&) = default;
^
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:64:23: error: the parameter for this explicitly-defaulted copy assignment operator is const,but a member or base requires it to be non-const
nested_exception& operator=(const nested_exception&) = default;
^
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:77:28: error: exception specification in declaration does not match previous declaration
inline nested_exception::~nested_exception() = default;
^
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:66:20: note: previous declaration is here
inline virtual ~nested_exception();
^
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:122:61: error: redefinition of default argument
__throw_with_nested(_Ex&& __ex,const nested_exception* = 0)
^ ~
D:/Tools/Xilinx/Vivado/2019.2/win64/tools/clang/bin\..\lib\clang\3.1/../../../include/c++/4.5.2\nested_exception.h:110:56: note: previous definition is here
__throw_with_nested(_Ex&&,const nested_exception* = 0)
^ ~
In file included from firmware/myproject.cpp:1:
In file included from firmware/myproject.cpp:21:
In file included from firmware/myproject.h:23:
In file included from D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_int.h:367:
In file included from D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed.h:55:
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:838:13: warning: shift count is negative [-Wshift-count-negative]
ret.V <<= (_AP_I - _AP_W);
^ ~~~~~~~~~~~~~~~
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:869:69: note: in instantiation of member function 'ap_fixed_base<50,40,true,5,3,0>::to_ap_int_base' requested here
inline __attribute__((always_inline)) int to_int() const { return to_ap_int_base().to_int(); }
^
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:1042:71: note: in instantiation of member function 'ap_fixed_base<50,0>::to_int' requested here
inline __attribute__((always_inline)) operator int() const { return to_int(); }
^
firmware/nnet_utils/nnet_activation.h:389:17: note: in instantiation of member function 'ap_fixed_base<50,0>::operator int' requested here
data_round = (data_cache[jj]-data_cache[ii])*CONFIG_T::table_size/16;
^
firmware/nnet_utils/nnet_activation.h:421:9: note: in instantiation of function template specialization 'nnet::softmax_legacy<ap_fixed<16,6,0>,ap_fixed<16,softmax_config9>' requested here
softmax_legacy<data_T,res_T,CONFIG_T>(data,res);
^
firmware/myproject.cpp:90:5: note: in instantiation of function template specialization 'nnet::softmax<ap_fixed<16,softmax_config9>' requested here
nnet::softmax<layer8_t,result_t,softmax_config9>(layer8_out,layer9_out);
^
In file included from firmware/myproject.cpp:1:
In file included from firmware/myproject.cpp:21:
In file included from firmware/myproject.h:23:
In file included from D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_int.h:367:
In file included from D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed.h:55:
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:838:13: warning: shift count is negative [-Wshift-count-negative]
ret.V <<= (_AP_I - _AP_W);
^ ~~~~~~~~~~~~~~~
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:869:69: note: in instantiation of member function 'ap_fixed_base<51,41,0>::to_ap_int_base' requested here
inline __attribute__((always_inline)) int to_int() const { return to_ap_int_base().to_int(); }
^
D:/Tools/Xilinx/Vivado/2019.2/common/technology/autopilot\ap_fixed_base.h:1042:71: note: in instantiation of member function 'ap_fixed_base<51,0>::to_int' requested here
inline __attribute__((always_inline)) operator int() const { return to_int(); }
^
firmware/nnet_utils/nnet_activation.h:401:27: note: in instantiation of member function 'ap_fixed_base<51,0>::operator int' requested here
int exp_res_index = exp_res[ii]*CONFIG_T::table_size/64;
^
firmware/nnet_utils/nnet_activation.h:421:9: note: in instantiation of function template specialization 'nnet::softmax_legacy<ap_fixed<16,layer9_out);
^
2 warnings and 5 errors generated.
Failed during preprocessing.
while executing
"source build_prj.tcl"
("uplevel" body line 1)
invoked from within
"uplevel \#0 [list source $arg] "
INFO: [Common 17-206] Exiting vivado_hls at Fri Apr 2 16:14:58 2021...
我在新版和旧版 Vivado HLS 上都遇到过这个问题。我该如何解决？
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