Mark Wiebe
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#ifndef NUMEXPR_CONFIG_HPP
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#define NUMEXPR_CONFIG_HPP
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// x86 platform works with unaligned reads and writes
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// MW: I have seen exceptions to this when the compiler chooses to use aligned SSE
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#if (defined(NPY_CPU_X86) || defined(NPY_CPU_AMD64))
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# define USE_UNALIGNED_ACCESS 1
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#endif
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#ifdef USE_VML
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/* The values below have been tuned for a nowadays Core2 processor */
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/* Note: with VML functions a larger block size (e.g. 4096) allows to make use
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* of the automatic multithreading capabilities of the VML library */
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#define BLOCK_SIZE1 4096
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#define BLOCK_SIZE2 32
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#else
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/* The values below have been tuned for a nowadays Core2 processor */
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/* Note: without VML available a smaller block size is best, specially
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* for the strided and unaligned cases. Recent implementation of
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* multithreading make it clear that larger block sizes benefit
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* performance (although it seems like we don't need very large sizes
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* like VML yet). */
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#define BLOCK_SIZE1 1024
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#define BLOCK_SIZE2 16
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#endif
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/* The maximum number of threads (for some static arrays).
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* Choose this large enough for most monsters out there.
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Keep in sync this with the number in __init__.py. */
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#define MAX_THREADS 4096
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#if defined(_WIN32)
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#include "win32/pthread.h"
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#include <process.h>
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#define getpid _getpid
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#else
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#include <pthread.h>
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#include "unistd.h"
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#endif
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#ifdef SCIPY_MKL_H
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#define USE_VML
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#endif
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#ifdef USE_VML
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#include "mkl_vml.h"
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#include "mkl_service.h"
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#endif
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#ifdef _WIN32
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#ifndef __MINGW32__
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#include "missing_posix_functions.hpp"
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#endif
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#include "msvc_function_stubs.hpp"
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#endif
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#endif // NUMEXPR_CONFIG_HPP
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