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How to use less memory in Sieve_of_Eratosthenes


How to use less memory in Sieve_of_Eratosthenes

By : Konrad B.
Date : January 11 2021, 03:34 PM
seems to work fine A couple of suggestions:
use a bit array representing only odd numbers break the problem up into segments so the partial sieve uses much less memory
code :


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WCF service with Full Memory Error (Memory gates checking failed because the free memory) - How to resolve

WCF service with Full Memory Error (Memory gates checking failed because the free memory) - How to resolve


By : 王茂斌
Date : March 29 2020, 07:55 AM
this will help Try setting minFreeMemoryPercentageToActivateService to 0 in yourweb.config for WCF Host, as suggested in this answer
Is memory latency affected by CPU frequency? Is it a result of memory power management by the memory controller?

Is memory latency affected by CPU frequency? Is it a result of memory power management by the memory controller?


By : Kevin Carpentier
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further You seem to have exactly the results you expected - a roughly linear trend for the cpu bound program, and a shallow(er) affine one for the memory bound case (which is less cpu effected). You will need a lot more data to determine if they are consistent steps or if they are - as I suspect - mostly random jitter depending on how 'good' the list is.
The cpu clock will affect bus clocks, which will affect timings and so on - synchronisation between differently clocked buses is always challenging for hardware designers. The spacing of your steps is interestingly 400 Mhz but I wouldn't draw too much from this - generally, this kind of stuff is way too complex and specific-hardware dependent to be properly analysed without 'inside' knowledge the memory controller used, etc.
CUDA best memory access layouts: global memory coalescence and shared memory bank conflicts

CUDA best memory access layouts: global memory coalescence and shared memory bank conflicts


By : Vinayaka C
Date : March 29 2020, 07:55 AM
I hope this helps you . Much part of your question has been already answered in the comments above. I just want to provide some rules that can be useful to you and in general to next users concerning coalesced memory accesses, some examples on shared memory bank conflicts and some rules on avoiding shared memory bank conflicts.
COALESCED MEMORY ACCESSES
allocate unified memory in my program. aftering running, it throws CUDA Error:out of memory,but still has free memory

allocate unified memory in my program. aftering running, it throws CUDA Error:out of memory,but still has free memory


By : Mrudav Shukla
Date : March 29 2020, 07:55 AM
will help you Before asking this, I have read this question , which is similar to mine. , If I modify your code with some instrumentation, like this:
Memory usages high - Slow application response : Used memory value not decreasing + Free memory value not increasing

Memory usages high - Slow application response : Used memory value not decreasing + Free memory value not increasing


By : GopalRao
Date : September 23 2020, 04:00 PM
hope this fix your issue The issue that you are facing is Memory leak
What is it?
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