Re: Haswell Overclocking Guides / Results
So I upped the cpu to 4.4GHz, but it still got too hot and I had to cut Linpack short. So I dropped the cpu speed to 4.2GHz and reduced some Voltages. Linpack still got too hot, but I was able to grab one rep before I killed it:
206 Gflops from AVX2.
So I upped the cpu to 4.4GHz, but it still got too hot and I had to cut Linpack short. So I dropped the cpu speed to 4.2GHz and reduced some Voltages. Linpack still got too hot, but I was able to grab one rep before I killed it:
Intel(R) Optimized LINPACK Benchmark data
Current date/time: Sun Jul 07 16:08:45 2013
CPU frequency: 4.198 GHz
Number of CPUs: 1
Number of cores: 4
Number of threads: 4
Parameters are set to:
Number of tests: 1
Number of equations to solve (problem size) : 25000
Leading dimension of array : 25000
Number of trials to run : 20
Data alignment value (in Kbytes) : 4
Maximum memory requested that can be used=705536800, at the size=25000
=================== Timing linear equation system solver ===================
Size LDA Align. Time(s) GFlops Residual Residual(norm) Check
25000 25000 4 50.371 206.8246 5.194889e-010 2.954147e-002 pass
Current date/time: Sun Jul 07 16:08:45 2013
CPU frequency: 4.198 GHz
Number of CPUs: 1
Number of cores: 4
Number of threads: 4
Parameters are set to:
Number of tests: 1
Number of equations to solve (problem size) : 25000
Leading dimension of array : 25000
Number of trials to run : 20
Data alignment value (in Kbytes) : 4
Maximum memory requested that can be used=705536800, at the size=25000
=================== Timing linear equation system solver ===================
Size LDA Align. Time(s) GFlops Residual Residual(norm) Check
25000 25000 4 50.371 206.8246 5.194889e-010 2.954147e-002 pass
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