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[checksum] more load balancing optimizations

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* SetChecksumAffinity() now spreads the affinity evenly between cores
* Also increase the read buffer size to help with performance
* At this stage, the only limiting factor regarding performance seems
  to be the speed of the SHA-256 algorithm...
This commit is contained in:
Pete Batard 2016-03-01 17:13:37 +00:00
parent e6d3653cac
commit e1c7c9670b
5 changed files with 77 additions and 46 deletions
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10
src/rufus.h
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@ -291,11 +291,6 @@ typedef struct {
char* path;
} VHD_SAVE;
typedef struct {
DWORD_PTR read_thread;
DWORD_PTR sum_thread[NUM_CHECKSUMS];
} CHECKSUM_AFFINITY;
/*
* Structure and macros used for the extensions specification of FileDialog()
* You can use:
@ -446,7 +441,10 @@ extern LONG ValidateSignature(HWND hDlg, const char* path);
extern BOOL IsFontAvailable(const char* font_name);
extern BOOL WriteFileWithRetry(HANDLE hFile, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite,
LPDWORD lpNumberOfBytesWritten, DWORD nNumRetries);
extern BOOL SetChecksumAffinity(CHECKSUM_AFFINITY* checksum_affinity);
extern BOOL SetChecksumAffinity(DWORD_PTR* thread_affinity);
#define printbits(x) _printbits(sizeof(x), &x, 0)
#define printbitslz(x) _printbits(sizeof(x), &x, 1)
extern char* _printbits(size_t const size, void const * const ptr, int leading_zeroes);
DWORD WINAPI FormatThread(void* param);
DWORD WINAPI SaveImageThread(void* param);