Intel® Software Guard Extensions (Intel® SGX)
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using cache memory to save user's data inside enclave in IPFS

Arun_M
Beginner
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Hello there,
 
In the SGX developer guide, there is some information related to cache memory in IPFS

 

content from SGX-developer guide:
To enhance the performance of the Protected File System, cache is used to
save the user’s data inside the enclave, and only when the cache is full it is
flushed to disk.
In case of S3/S4 transitions, data in the cache will be lost (the entire enclave is
los). Therefore, all file handles must be flushed or closed before entering
S3/S4.


here, what does this cache refers to? EPC/M related or CPU's cache memory.


Thanks,
Arun

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