Making the ILDG support optional

configure.ac

@@ -131,9 +131,11 @@ CXXFLAGS=$CXXFLAGS_CPY
 LDFLAGS=$LDFLAGS_CPY
 
 AC_CHECK_LIB([lime],[limeCreateReader],
+  [AC_DEFINE([HAVE_LIME],[1],[Define to 1 if you have the `LIME' library (-llime).])]
+  [have_lime=true]
   [LIBS="$LIBS -llime"],
-  [AC_MSG_ERROR(C-LIME library was not found in your system.
-Please install or provide the correct path to your installation [default search path ~/lime/]
+  [AC_MSG_WARN(C-LIME library was not found in your system.
+In order to use ILGG file format please install or provide the correct path to your installation [default search path ~/lime/]
 Info at: http://usqcd.jlab.org/usqcd-docs/c-lime/)])
 
 
@@ -355,6 +357,7 @@ Summary of configuration for $PACKAGE v$VERSION
 - RNG choice                    : ${ac_RNG} 
 - GMP                           : `if test "x$have_gmp" = xtrue; then echo yes; else echo no; fi`
 - LAPACK                        : ${ac_LAPACK}
+- ILDG support (LIME)           : `if test "x$have_lime" = xtrue; then echo yes; else echo no; fi`
 - FFTW                          : `if test "x$have_fftw" = xtrue; then echo yes; else echo no; fi`
 - build DOXYGEN documentation   : `if test "x$enable_doc" = xyes; then echo yes; else echo no; fi`
 - graphs and diagrams           : `if test "x$enable_dot" = xyes; then echo yes; else echo no; fi`

lib/parallelIO/BinaryIO.h

@@ -568,9 +568,11 @@ class BinaryIO {
 
       	if (ILDG.is_ILDG){
       		// use C-LIME to populate the record
+          #ifdef HAVE_LIME
           size_t sizeFO = sizeof(fileObj);
           limeReaderSeek(ILDG.LR, g_idx*sizeFO, SEEK_SET);
           int status = limeReaderReadData((void *)&fileObj, &sizeFO, ILDG.LR);
+          #endif
         } else{
           fin.seekg(offset+g_idx*sizeof(fileObj));
           fin.read((char *)&fileObj,sizeof(fileObj));
@@ -764,11 +766,16 @@ class BinaryIO {
         if (ieee64big) htobe64_v((void *)&fileObj, sizeof(fileObj));
         if (ieee64) htole64_v((void *)&fileObj, sizeof(fileObj));
 
+
         if (ILDG.is_ILDG) {
+          #ifdef HAVE_LIME
           size_t sizeFO = sizeof(fileObj);
  					limeWriterSeek(ILDG.LW, g_idx*sizeFO, SEEK_SET);
           int status = limeWriteRecordData((void *)&fileObj, &sizeFO, ILDG.LW);
-        } else {
+          #endif
+        } 
+
+        else {
           fout.seekp(offset + g_idx * sizeof(fileObj));
           fout.write((char *)&fileObj, sizeof(fileObj));
         }

lib/parallelIO/IldgIO.h

@@ -37,6 +37,8 @@ directory
 #include <sys/utsname.h>
 #include <unistd.h>
 
+#ifdef HAVE_LIME
+
 extern "C" {  // for linkage
 #include "lime.h"
 }
@@ -238,8 +240,12 @@ class ILDGIO : public BinaryIO {
     return csum;
   }
 
-  // format for RNG?
+  // format for RNG? Now just binary out
 };
 }
 }
+
+//HAVE_LIME
+#endif
+
 #endif

lib/parallelIO/IldgIOtypes.h

@@ -27,50 +27,54 @@ directory
 #ifndef GRID_ILDGTYPES_IO_H
 #define GRID_ILDGTYPES_IO_H
 
+#ifdef HAVE_LIME
 extern "C" { // for linkage
 #include "lime.h"
 }
 
 namespace Grid {
 
-  struct ILDGtype{
-    bool is_ILDG;
-    LimeWriter* LW;
-    LimeReader* LR;
-    
-    ILDGtype(bool is, LimeWriter* L):is_ILDG(is),LW(L),LR(NULL){}
-    ILDGtype(bool is, LimeReader* L):is_ILDG(is),LW(NULL),LR(L){}
-    ILDGtype():is_ILDG(false),LW(NULL),LR(NULL){}
-  };
-  
-
-
-
-	class ILDGField {
-	public:
-    // header strings (not in order)
-		std::vector<int> dimension;
-		std::vector<std::string> boundary; 
-		int data_start;
-		std::string hdr_version;
-		std::string storage_format;
-    // Checks on data
-		double link_trace;
-		double plaquette;
-		uint32_t checksum;
-		unsigned int sequence_number;
-		std::string data_type;
-		std::string ensemble_id ;
-		std::string ensemble_label ;
-		std::string creator ;
-		std::string creator_hardware ;
-		std::string creation_date ;
-		std::string archive_date ;
-		std::string floating_point;
-	};
-
-
+struct ILDGtype {
+  bool is_ILDG;
+  LimeWriter* LW;
+  LimeReader* LR;
 
+  ILDGtype(bool is, LimeWriter* L) : is_ILDG(is), LW(L), LR(NULL) {}
+  ILDGtype(bool is, LimeReader* L) : is_ILDG(is), LW(NULL), LR(L) {}
+  ILDGtype() : is_ILDG(false), LW(NULL), LR(NULL) {}
+};
 
+class ILDGField {
+ public:
+  // header strings (not in order)
+  std::vector<int> dimension;
+  std::vector<std::string> boundary;
+  int data_start;
+  std::string hdr_version;
+  std::string storage_format;
+  // Checks on data
+  double link_trace;
+  double plaquette;
+  uint32_t checksum;
+  unsigned int sequence_number;
+  std::string data_type;
+  std::string ensemble_id;
+  std::string ensemble_label;
+  std::string creator;
+  std::string creator_hardware;
+  std::string creation_date;
+  std::string archive_date;
+  std::string floating_point;
+};
 }
+#else
+namespace Grid {
+
+struct ILDGtype {
+  bool is_ILDG;
+  ILDGtype() : is_ILDG(false) {}
+};
+}
+
+#endif
 #endif

lib/qcd/hmc/GenericHMCrunner.h

@@ -83,6 +83,7 @@ namespace QCD {
     }
     //////////////////////////////
 
+
     template <class SmearingPolicy, class IOCheckpointer>
     void Runner(int             argc,
                 char **         argv,

lib/qcd/hmc/ILDGCheckpointer.h

@@ -29,6 +29,8 @@ directory
 #ifndef ILDG_CHECKPOINTER
 #define ILDG_CHECKPOINTER
 
+#ifdef HAVE_LIME
+
 #include <iostream>
 #include <sstream>
 #include <string>
@@ -47,7 +49,7 @@ class ILDGHmcCheckpointer
   std::string format;
 
  public:
-  INHERIT_GIMPL_TYPES(Implementation);  //
+  INHERIT_GIMPL_TYPES(Implementation);  
 
   ILDGHmcCheckpointer(std::string cf, std::string rn, int savemodulo,
                        std::string form = "IEEE64BIG") {
@@ -62,8 +64,13 @@ class ILDGHmcCheckpointer
     int ieee64big = (format == std::string("IEEE64BIG"));
     int ieee64    = (format == std::string("IEEE64"));
 
-    if (!(ieee64big ^ ieee32 ^ ieee32big ^ ieee64)) {
-      std::cout << GridLogMessage << "Invalid format: " << format << std::endl;
+    if (!(ieee64big || ieee32 || ieee32big || ieee64)) {
+      std::cout << GridLogError << "Unrecognized file format " << format
+                << std::endl;
+      std::cout << GridLogError
+                << "Allowed: IEEE32BIG | IEEE32 | IEEE64BIG | IEEE64"
+                << std::endl;
+
       exit(0);
     }
   };
@@ -118,4 +125,6 @@ class ILDGHmcCheckpointer
 };
 }
 }
+
+#endif
 #endif

tests/hmc/Test_hmc_WilsonGauge_Binary.cc

@@ -81,6 +81,10 @@ class HmcRunner : public BinaryHmcRunner {
     TheAction.push_back(Level1);
 
     // Add observables
+    // options for checkpointers
+    //BinaryHmcCheckpointer
+    //ILDGHmcCheckpointer
+    //NerscHmcCheckpointer
     ILDGHmcCheckpointer<BinaryHmcRunner::ImplPolicy> Checkpoint(
         HMCPar.conf_prefix, HMCPar.rng_prefix, HMCPar.SaveInterval, HMCPar.format);
     // Can implement also a specific function in the hmcrunner