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Date: Mon, 2 Apr 2012 20:30:19 +0400
From: Solar Designer <>
Subject: Re: JtR: GPU for slow hashes

On Mon, Apr 02, 2012 at 09:47:31PM +0530, SAYANTAN DATTA wrote:
> While running the benchmark I get the following error after a few seconds:
> ../../../thread/semaphore.cpp:87: sem_wait() failed
> aborted

Please provide more info on your system: OS, bitness, AMD SDK version.

Is OS_TIMER 0 or 1 in arch.h (probably either x86-sse.h or x86-64.h)?
If it's 1, then try setting it to 0.

> Also how many times is the crypt_all() method called during benchmark?

Not a fixed number of times.  The benchmark runs for BENCHMARK_TIME
seconds.  In jumbo, this is currently 1 second.


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