Merge branch 'api' into 'master'

Create external API for elgamal and exp cryptops

See merge request elixxir/gpumaths!15

cgbnBindings/powm/Makefile

@@ -18,10 +18,15 @@ pick:
 	@echo
 
 clean:
-	rm -f libpowmosm*.so
+	rm -f libpowmo*.so
+
+devinstall:
+	mkdir -p ../../lib
+	mv libpowmo*.so ../../lib
 
 install:
-	mv libpowmosm*.so ../../lib
+	mkdir -p /opt/elixxir/lib
+	mv libpowmo*.so /opt/elixxir/lib
 
 kepler:
 	nvcc --compiler-options '-fPIC' --shared $(INC) $(LIB) -I../../cgbn-master/include -arch=sm_30 powm_odd.cu -o libpowmosm40.so -lgmp
@@ -36,6 +41,8 @@ volta:
 	nvcc --compiler-options '-fPIC' --shared $(INC) $(LIB) -I../../cgbn-master/include -arch=sm_70 powm_odd.cu -o libpowmosm70.so -lgmp
 
 turing: 
-	nvcc --compiler-options '-fPIC' --shared $(INC) $(LIB) -I../../cgbn-master/include -arch=sm_75 powm_odd.cu -o libpowmosm75.so -lgmp -g
+	nvcc --compiler-options '-fPIC' --shared $(INC) $(LIB) -I../../cgbn-master/include -arch=sm_75 powm_odd.cu -o libpowmosm75.so -lgmp
+
+turingdebug:
+	nvcc --compiler-options '-fPIC' --shared $(INC) $(LIB) -I../../cgbn-master/include -arch=sm_75 powm_odd.cu -o libpowmosm75.so -lgmp -g -DTRACE
 
-all: kepler maxwell pascal volta turing

cgbnBindings/powm/powm_odd_export.h

@@ -33,25 +33,17 @@ enum kernel {
 };
 
 // Prepare a kernel run
-const char* upload(const uint32_t instance_count, void *stream, size_t inputsUploadSize, size_t constantsUploadSize, size_t outputsDownloadSize);
+const char* upload(const uint32_t instance_count, void *stream, enum kernel whichToRun);
 // Enqueue a kernel run
-const char* run(void *stream, enum kernel whichToRun);
+const char* run(void *stream);
 // Enqueue download from a previous kernel launch
 const char* download(void *stream);
 // Wait for a results download to finish
-struct return_data* getResults(void *stream);
+const char* getResults(void *stream);
 
 struct streamCreateInfo {
-  // How many instances can be invoked in a kernel launch?
+  // How much memory is available for the stream to use?
   size_t capacity;
-  // What's the size in bytes of the entire input buffer?
-  // (assumed to be linear in size with number of inputs)
-  size_t inputsCapacity;
-  // What's the size in bytes of the entire output buffer?
-  // (assumed to be linear in size with number of inputs)
-  size_t outputsCapacity;
-  // What's the size in bytes of the entire constants buffer?
-  size_t constantsCapacity;
 };
 
 
@@ -64,7 +56,7 @@ const char* destroyStream(void *destroyee);
 
 // Get a pointer to the CPU inputs buffer from a stream
 // Overwrite this memory with inputs before enqueueing an upload
-void* getCpuInputs(void* stream);
+void* getCpuInputs(void* stream, enum kernel op);
 
 // Get a pointer to the CPU outputs buffer from a stream
 // Read outputs from this memory after calling getResults to synchronize the event
@@ -74,11 +66,12 @@ void* getCpuOutputs(void* stream);
 // Overwrite this memory with constants before enqueueing an upload
 void* getCpuConstants(void* stream);
 
-// Call this after execution has completed to write out profile information to the disk
-const char* stopProfiling();
-
-// Calling this is optional if you profile from the start of execution.
-const char* startProfiling();
+// Get memory size required for a certain op's constants buffer
+size_t getConstantsSize(enum kernel op);
+// Get memory size required for a certain op's inputs buffer
+size_t getInputSize(enum kernel op);
+// Get memory size required for a certain op's outputs buffer
+size_t getOutputSize(enum kernel op);
 
 // If using the newer profiler, use this instead when kernels have finished 
 // running to signal the profiler that execution has finished.

cgbnBindings/utility/cpu_support.h

@@ -130,3 +130,10 @@ void random_words(uint32_t *x, uint32_t count) {
   for(index=0;index<count;index++)
     x[index]=random_word();
 }
+
+void debugPrint(const char* s) {
+#ifdef TRACE
+  printf("%s\n", s);
+#endif
+}
+