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https://github.com/amadvance/snapraid.git
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Clean the cpu.h header
This commit is contained in:
Andrea Mazzoleni
parent
8a0d49b21e
commit
35b1b08b6c
2 changed files with 12 additions and 264 deletions
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@ -122,13 +122,12 @@ void speed(int period)
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raid_cpu_info(vendor, &family, &model);
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printf("CPU %s, family %u, model %u, flags%s%s%s%s%s%s%s\n", vendor, family, model,
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printf("CPU %s, family %u, model %u, flags%s%s%s%s%s%s\n", vendor, family, model,
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raid_cpu_has_sse2() ? " sse2" : "",
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raid_cpu_has_ssse3() ? " ssse3" : "",
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raid_cpu_has_crc32() ? " crc32" : "",
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raid_cpu_has_avx2() ? " avx2" : "",
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raid_cpu_has_slowmult() ? " slowmult" : "",
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raid_cpu_has_slowpshufb() ? " slowpshufb" : "",
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raid_cpu_has_slowextendedreg() ? " slowext" : ""
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);
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}
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273
raid/cpu.h
273
raid/cpu.h
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@ -225,23 +225,11 @@ static inline int raid_cpu_has_slowmult(void)
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raid_cpu_info(vendor, &family, &model);
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if (strcmp(vendor, "GenuineIntel") == 0) {
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/* Intel(R) Atom(TM) CPU D525 @ 1.80GHz (info from user)
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* Compiler gcc 4.7.2
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* CPU GenuineIntel, family 6, model 28, flags mmx sse2 slowmult
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* Memory is little-endian 64-bit
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* Speed test with 8 disk and 262144 buffer size...
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* memset0 1849 [MB/s]
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* HASH Murmur3 378 [MB/s] (extremely slower than Spooky2)
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* HASH Spooky2 3413 [MB/s]
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* PAR1 int32x2 707 [MB/s]
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* PAR1 mmxx2 1264 [MB/s]
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* PAR1 mmxx4 1910 [MB/s]
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* PAR1 sse2x2 2204 [MB/s]
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* PAR1 sse2x4 2980 [MB/s]
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* PAR2 int32x2 296 [MB/s]
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* PAR2 mmxx2 543 [MB/s]
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* PAR2 sse2x2 1068 [MB/s]
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* PAR2 sse2x4 1601 [MB/s]
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/*
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* Intel Atom
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* Murmur3 based on MUL instruction, is a lot slower
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* than Spooky2 based on SHIFTs.
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* Like: 378 MB/s vs 3413 MB/s
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*/
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if (family == 6 && model == 28)
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return 1;
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@ -250,73 +238,9 @@ static inline int raid_cpu_has_slowmult(void)
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return 0;
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}
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/**
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* Check if the processor has a slow PSHUFB implementation.
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* If yes, it's better to not use it.
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*/
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static inline int raid_cpu_has_slowpshufb(void)
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{
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char vendor[CPU_VENDOR_MAX];
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unsigned family;
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unsigned model;
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raid_cpu_info(vendor, &family, &model);
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if (strcmp(vendor, "GenuineIntel") == 0) {
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/* Intel ATOM (info from x264 -> full family/model 6/28) */
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/* Intel(R) Atom(TM) CPU D525 @ 1.80GHz (info from user)
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* Compiler gcc 4.7.2
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* CPU GenuineIntel, family 6, model 28, flags mmx sse2 ssse3 slowmult
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* Memory is little-endian 64-bit
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* Support nanosecond timestamps with futimens()
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*
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* Speed test with 8 disk and 262144 buffer size, for a total of 2816 KiB...
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* memset0 1850 [MB/s]
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* CRC table 316 [MB/s]
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* HASH Murmur3 378 [MB/s]
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* HASH Spooky2 3389 [MB/s]
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* PAR1 int32 1800 [MB/s]
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* PAR1 int64 2938 [MB/s]
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* PAR1 mmx 2946 [MB/s]
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* PAR1 sse2 3429 [MB/s]
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* PAR1 sse2ext 3447 [MB/s]
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* PAR2 int32 519 [MB/s]
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* PAR2 int64 944 [MB/s]
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* PAR2 mmx 1160 [MB/s]
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* PAR2 sse2 2082 [MB/s]
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* PAR2 sse2ext 2481 [MB/s]
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* PARz int32 236 [MB/s]
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* PARz int64 456 [MB/s]
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* PARz mmx 576 [MB/s]
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* PARz sse2 1109 [MB/s]
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* PARz sse2ext 1527 [MB/s]
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* PARz ssse3 931 [MB/s] (slower than sse2ext)
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* PARz ssse3ext 932 [MB/s] (slower than sse2ext)
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* PAR4z int32 144 [MB/s]
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* PAR4z int64 271 [MB/s]
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* PAR4z mmx 431 [MB/s]
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* PAR4z sse2 843 [MB/s]
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* PAR4z sse2ext 1086 [MB/s]
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* PAR4z ssse3 732 [MB/s] (slower than sse2ext)
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* PAR4z ssse3ext 571 [MB/s] (slower than sse2ext)
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*/
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if (family == 6 && model == 28)
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return 1;
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}
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if (strcmp(vendor, "AuthenticAMD") == 0) {
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/* AMD Jaguar (info from x264 -> full family 0x16==21) */
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if (family == 21)
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return 1;
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}
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return 0;
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}
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/**
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* Check if the processor has a slow extended set of SSE registers.
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* If yes, it's better to unroll without using the second part of registers.
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* If yes, it's better to limit the unroll to the firsrt 8 registers.
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*/
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static inline int raid_cpu_has_slowextendedreg(void)
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{
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@ -327,25 +251,11 @@ static inline int raid_cpu_has_slowextendedreg(void)
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raid_cpu_info(vendor, &family, &model);
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if (strcmp(vendor, "AuthenticAMD") == 0) {
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/* AMD Bulldozer (from user)
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* CPU AuthenticAMD, family 21, model 19, flags mmx sse2
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* Memory is little-endian 64-bit
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* Speed test with 8 disk and 262144 buffer size, for a total of 2560 KiB...
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* memset0 5721 [MB/s]
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* CRC table 1080 [MB/s]
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* CRC intel-crc32 2845 [MB/s]
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* HASH Murmur3 2970 [MB/s]
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* HASH Spooky2 7503 [MB/s]
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* PAR1 int32x2 4595 [MB/s]
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* PAR1 mmxx2 5856 [MB/s]
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* PAR1 mmxx4 6157 [MB/s]
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* PAR1 sse2x2 7151 [MB/s]
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* PAR1 sse2x4 8447 [MB/s]
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* PAR1 sse2x8 8155 [MB/s] (slower than sse2x4)
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* PAR2 int32x2 1892 [MB/s]
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* PAR2 mmxx2 3744 [MB/s]
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* PAR2 sse2x2 4922 [MB/s]
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* PAR2 sse2x4 4464 [MB/s] (slower than sse2x2)
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/*
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* AMD Bulldozer
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* PAR1/PAR2 implementations using 16 SSE registers are slower
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* than ones using only the first 8 registers.
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* Like: 4465 MB/s vs 4922 MB/s.
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*/
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if (family == 21)
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return 1;
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@ -353,167 +263,6 @@ static inline int raid_cpu_has_slowextendedreg(void)
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return 0;
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}
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/* other cases */
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/* Intel(R) Core(TM) i7-3740QM CPU @ 2.70GHz
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* Compiler gcc 4.7.3
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* CPU GenuineIntel, family 6, model 58, flags mmx sse2
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* Memory is little-endian 32-bit
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* memset0 34685 [MB/s]
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* Murmur3 4170 [MB/s]
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* Spooky2 2599 [MB/s]
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* PAR1 int32x2 8919 [MB/s]
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* PAR1 mmxx2 17170 [MB/s]
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* PAR1 sse2x2 27478 [MB/s]
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* PAR2 int32x2 1953 [MB/s]
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* PAR2 mmxx2 7560 [MB/s]
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* PAR2 sse2x2 13930 [MB/s]
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*/
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/* Intel(R) Core(TM) i7-3740QM CPU @ 2.70GHz
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* Compiler gcc 4.7.3
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* CPU GenuineIntel, family 6, model 58, flags mmx sse2
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* Memory is little-endian 64-bit
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* memset0 26164 [MB/s]
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* Murmur3 4469 [MB/s]
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* Spooky2 12834 [MB/s]
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* PAR1 int32x2 10775 [MB/s]
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* PAR1 mmxx2 19644 [MB/s]
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* PAR1 sse2x2 29168 [MB/s]
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* PAR2 int32x2 3288 [MB/s]
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* PAR2 mmxx2 8374 [MB/s]
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* PAR2 sse2x2 15547 [MB/s]
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*/
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/* Intel(R) Core(TM) i5 CPU 650 @ 3.20GHz
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* Compiler gcc 4.7.1
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* CPU GenuineIntel, family 6, model 37, flags mmx sse2
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* Memory is little-endian 32-bit
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* memset0 25468 [MB/s]
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* Murmur3 3357 [MB/s]
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* Spooky2 1861 [MB/s]
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* PAR1 int32x2 5043 [MB/s]
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* PAR1 mmxx2 9864 [MB/s]
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* PAR1 sse2x2 16896 [MB/s]
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* PAR2 int32x2 1100 [MB/s]
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* PAR2 mmxx2 5056 [MB/s]
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* PAR2 sse2x2 8726 [MB/s]
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*/
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/* AMD Athlon(tm) 64 X2 Dual Core Processor 3600+ 1913.377 MHz
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* Compiler gcc 4.7.3
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* CPU AuthenticAMD, family 15, model 107, flags mmx sse2
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* Memory is little-endian 32-bit
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* memset 2414 [MB/s]
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* Murmur3 1213 [MB/s]
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* Spooky2 947 [MB/s]
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* PAR1 int32x2 532 [MB/s]
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* PAR1 mmxx2 1121 [MB/s]
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* PAR1 sse2x2 2061 [MB/s]
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* PAR2 int32x2 280 [MB/s]
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* PAR2 mmxx2 632 [MB/s]
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* PAR2 sse2x2 909 [MB/s]
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*/
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/* ARM Feroceon 88FR131 rev 1 (v5l)
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* Compiler gcc 4.7.2
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* CPU is not a x86/x64
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* Memory is little-endian 32-bit
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* memset 763 [MB/s]
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* Murmur3 237 [MB/s]
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* Spooky2 216 [MB/s]
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* PAR1 int32x2 233 [MB/s]
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* PAR2 int32x2 103 [MB/s]
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*/
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/* Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz $
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* Compiler gcc 4.8.1
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* CPU GenuineIntel, family 6, model 58, flags mmx sse2
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* Memory is little-endian 64-bit
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* memset 27842 [MB/s]
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* Murmur3 4884 [MB/s]
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* Spooky2 14039 [MB/s]
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* PAR1 int32x2 11038 [MB/s]
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* PAR1 mmxx2 20055 [MB/s]
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* PAR1 sse2x2 30703 [MB/s]
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* PAR2 int32x2 3267 [MB/s]
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* PAR2 mmxx2 8883 [MB/s]
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* PAR2 sse2x2 16433 [MB/s]
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*/
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/* Bobcat/Zacade (info from x264 -> full family 20)
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* AMD E-350 Processor (info from user)
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* Compiler gcc 4.7.3
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* CPU AuthenticAMD, family 20, model 1, flags mmx sse2
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* Memory is little-endian 64-bit
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* memset 2137 [MB/s]
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* Murmur3 1140 [MB/s]
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* Spooky2 2326 [MB/s]
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* PAR1 int32x2 1853 [MB/s]
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* PAR1 mmxx2 2019 [MB/s]
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* PAR1 sse2x2 2908 [MB/s]
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* PAR2 int32x2 884 [MB/s]
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* PAR2 mmxx2 1502 [MB/s]
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* PAR2 sse2x2 1168 [MB/s] (slow version with prefetchnta)
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*/
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/* AMD Turion(tm) II Neo N40L Dual-Core Processor (info from user)
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* Compiler gcc 4.7.1
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* CPU AuthenticAMD, family 16, model 6, flags mmx sse2
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* Memory is little-endian 64-bit
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* memset 4910 [MB/s]
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* Murmur3 1160 [MB/s]
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* Spooky2 3994 [MB/s]
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* PAR1 int32x2 530 [MB/s]
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* PAR1 mmxx2 1114 [MB/s]
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* PAR1 sse2x1 2127 [MB/s]
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* PAR1 sse2x2 2804 [MB/s]
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* PAR2 int32x2 316 [MB/s]
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* PAR2 mmxx2 655 [MB/s]
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* PAR2 sse2x2 639 [MB/s] (slow version with prefetchnta)
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*/
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/* AMD Athlon(tm) II X4 620 (info from user)
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* Compiler gcc 4.7.3
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* CPU AuthenticAMD, family 16, model 5, flags mmx sse2
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* Memory is little-endian 64-bit
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* memset 2845 [MB/s]
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* Murmur3 2262 [MB/s]
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* Murmur3x64 3500 [MB/s]
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* Spooky2 4362 [MB/s]
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* Spooky2x86 4000 [MB/s]
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* PAR1 int32x2 1064 [MB/s]
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* PAR1 mmxx2 2064 [MB/s]
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* PAR1 sse2x2 3289 [MB/s]
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* PAR2 int32x2 639 [MB/s]
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* PAR2 mmxx2 1325 [MB/s]
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* PAR2 sse2x2 915 [MB/s] (slow version with prefetchnta)
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*/
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/* ARM @ 1.2GHz (info from user)
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* /proc/cpuinfo
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* model name : Feroceon 88FR131 rev 1 (v5l)
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* BogoMIPS : 1196.85
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* Features : swp half thumb fastmult edsp
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* CPU implementer : 0x56
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* CPU architecture: 5TE
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* CPU variant : 0x2
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* CPU part : 0x131
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* CPU revision : 1
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* Hardware : QNAP TS-41x
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*
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* Compiler gcc 4.7.2
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* CPU is not a x86/x64
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* Memory is little-endian 32-bit
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* Speed test with 4 disk and 262144 buffer size...
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* memset 763 [MB/s]
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* Murmur3 237 [MB/s]
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* Spooky2 216 [MB/s]
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* Spooky2x86 418 [MB/s] (dropped experiment of a new hash)
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* PAR1 int32x2 233 [MB/s]
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* PAR2 int32x2 103 [MB/s]
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*/
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#endif
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#endif
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