jcuda.driver.CUjit_option Maven / Gradle / Ivy
/*
*
* * Copyright 2015 Skymind,Inc.
* *
* * Licensed under the Apache License, Version 2.0 (the "License");
* * you may not use this file except in compliance with the License.
* * You may obtain a copy of the License at
* *
* * http://www.apache.org/licenses/LICENSE-2.0
* *
* * Unless required by applicable law or agreed to in writing, software
* * distributed under the License is distributed on an "AS IS" BASIS,
* * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* * See the License for the specific language governing permissions and
* * limitations under the License.
*
*
*/
package jcuda.driver;
/**
* Online compiler and linker options.
*
* Most comments are taken from the CUDA reference manual.
*
* @see JCudaDriver#cuModuleLoadDataEx
*/
public class CUjit_option
{
/**
* Max number of registers that a thread may use.
* Option type: unsigned int
* Applies to: compiler only
*/
public static final int CU_JIT_MAX_REGISTERS = 0;
/**
* IN: Specifies minimum number of threads per block to target compilation
* for
* OUT: Returns the number of threads the compiler actually targeted.
* This restricts the resource utilization fo the compiler (e.g. max
* registers) such that a block with the given number of threads should be
* able to launch based on register limitations. Note, this option does not
* currently take into account any other resource limitations, such as
* shared memory utilization.
* Cannot be combined with ::CU_JIT_TARGET.
* Option type: unsigned int
* Applies to: compiler only
*/
public static final int CU_JIT_THREADS_PER_BLOCK = 1;
/**
* Overwrites the option value with the total wall clock time, in
* milliseconds, spent in the compiler and linker
* Option type: float
* Applies to: compiler and linker
*/
public static final int CU_JIT_WALL_TIME = 2;
/**
* Pointer to a buffer in which to print any log messages
* that are informational in nature (the buffer size is specified via
* option ::CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES)
* Option type: char *
* Applies to: compiler and linker
*/
public static final int CU_JIT_INFO_LOG_BUFFER = 3;
/**
* IN: Log buffer size in bytes. Log messages will be capped at this size
* (including null terminator)
* OUT: Amount of log buffer filled with messages
* Option type: unsigned int
* Applies to: compiler and linker
*/
public static final int CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES = 4;
/**
* Pointer to a buffer in which to print any log messages that
* reflect errors (the buffer size is specified via option
* ::CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES)
* Option type: char *
* Applies to: compiler and linker
*/
public static final int CU_JIT_ERROR_LOG_BUFFER = 5;
/**
* IN: Log buffer size in bytes. Log messages will be capped at this size
* (including null terminator)
* OUT: Amount of log buffer filled with messages
* Option type: unsigned int
* Applies to: compiler and linker
*/
public static final int CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES = 6;
/**
* Level of optimizations to apply to generated code (0 - 4), with 4
* being the default and highest level of optimizations.
* Option type: unsigned int
* Applies to: compiler only
*/
public static final int CU_JIT_OPTIMIZATION_LEVEL = 7;
/**
* No option value required. Determines the target based on the current
* attached context (default)
* Option type: No option value needed
* Applies to: compiler and linker
*/
public static final int CU_JIT_TARGET_FROM_CUCONTEXT = 8;
/**
* Target is chosen based on supplied ::CUjit_target. Cannot be
* combined with ::CU_JIT_THREADS_PER_BLOCK.
* Option type: unsigned int for enumerated type ::CUjit_target
* Applies to: compiler and linker
*/
public static final int CU_JIT_TARGET = 9;
/**
* Specifies choice of fallback strategy if matching cubin is not found.
* Choice is based on supplied ::CUjit_fallback.
* Option type: unsigned int for enumerated type ::CUjit_fallback
* Applies to: compiler only
*/
public static final int CU_JIT_FALLBACK_STRATEGY = 10;
/**
* Specifies whether to create debug information in output (-g)
* (0: false, default)
* Option type: int
* Applies to: compiler and linker
*/
public static final int CU_JIT_GENERATE_DEBUG_INFO = 11;
/**
* Generate verbose log messages (0: false, default)
* Option type: int
* Applies to: compiler and linker
*/
public static final int CU_JIT_LOG_VERBOSE = 12;
/**
* Generate line number information (-lineinfo) (0: false, default)
* Option type: int
* Applies to: compiler only
*/
public static final int CU_JIT_GENERATE_LINE_INFO = 13;
/**
* Specifies whether to enable caching explicitly (-dlcm)
* Choice is based on supplied ::CUjit_cacheMode_enum.
* Option type: unsigned int for enumerated type ::CUjit_cacheMode_enum
* Applies to: compiler only
*/
public static final int CU_JIT_CACHE_MODE = 14;
/**
* Returns the String identifying the given CUjit_option
*
* @param n The CUjit_option
* @return The String identifying the given CUjit_option
*/
public static String stringFor(int n)
{
switch (n)
{
case CU_JIT_MAX_REGISTERS: return "CU_JIT_MAX_REGISTERS";
case CU_JIT_THREADS_PER_BLOCK: return "CU_JIT_THREADS_PER_BLOCK";
case CU_JIT_WALL_TIME: return "CU_JIT_WALL_TIME";
case CU_JIT_INFO_LOG_BUFFER: return "CU_JIT_INFO_LOG_BUFFER";
case CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES: return "CU_JIT_INFO_LOG_BUFFER_SIZE_BYTES";
case CU_JIT_ERROR_LOG_BUFFER: return "CU_JIT_ERROR_LOG_BUFFER";
case CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES: return "CU_JIT_ERROR_LOG_BUFFER_SIZE_BYTES";
case CU_JIT_OPTIMIZATION_LEVEL: return "CU_JIT_OPTIMIZATION_LEVEL";
case CU_JIT_TARGET_FROM_CUCONTEXT: return "CU_JIT_TARGET_FROM_CUCONTEXT";
case CU_JIT_TARGET: return "CU_JIT_TARGET";
case CU_JIT_FALLBACK_STRATEGY: return "CU_JIT_FALLBACK_STRATEGY";
case CU_JIT_GENERATE_DEBUG_INFO: return "CU_JIT_GENERATE_DEBUG_INFO";
case CU_JIT_LOG_VERBOSE: return "CU_JIT_LOG_VERBOSE";
case CU_JIT_GENERATE_LINE_INFO: return "CU_JIT_GENERATE_LINE_INFO";
case CU_JIT_CACHE_MODE: return "CU_JIT_CACHE_MODE";
}
return "INVALID CUjit_option: "+n;
}
/**
* Private constructor to prevent instantiation.
*/
private CUjit_option()
{
}
}
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