Tree: ed65653ca6

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Commit Graph

14 Commits (ed65653ca6a3199a46621ff4a1728eb3e5985e2c)

Author	SHA1	Message	Date
Con Kolivas	86d5377e72	Use atomic ops to never miss a nonce on opencl kernels, including nonce==0, also allowing us to make the output buffer smaller.	13 years ago
Con Kolivas	1b5c676de7	Use 256 output slots for kernels to allow 1 for each worksize.	13 years ago
Con Kolivas	02e126f42d	The worksize was unintentionally changed back to 4k by mistake, this caused a slowdown.	14 years ago
Con Kolivas	bd79a61c43	Move poclbm to new branch optimisation as well.	14 years ago
Con Kolivas	cf54f9b850	Move to 256 sized buffers and don't risk overwrite by using only 127 mask.	14 years ago
Con Kolivas	0f782ba6bd	Update poclbm kernel to FF sized mask and only check that range.	14 years ago
Con Kolivas	eea05c05b8	Update kernel with a shorter output path, and use 4k output buffer to match OS page sizes.	14 years ago
Con Kolivas	cb13e2cfe5	Make it possible to build without opencl for cpu mining only.	14 years ago
Con Kolivas	2b6e841673	Use a buffer of up to 512 * 4 integers when retrieving work from the GPU. ... This allows each local thread id to have one slot to put any positive results into, thus making overlapping results far less likely. Thus races will be much rarer, allowing more threads. It should also pick up blocks close to each other more reliably and hopefully decrease the number of rejects and opencl errors. Do the search over the buffer entirely in a separate thread to allow the GPU to stay as busy as possible. Detach threads from themselves to prevent unlucky even where dereferencing occurs by freeing the data that stores the thread info.	14 years ago
ckolivas	e1dd27c5c2	Ensure that we don't overflow due to 32 bit limitations.	14 years ago
Con Kolivas	a45c54aaf8	Make postcalc_hash asynchronous as well.	14 years ago
Con Kolivas	f117675ac2	Optimise work loop to make cl calls asynchronous where possible.	14 years ago
ckolivas	6b77d8500d	Fixes.	14 years ago
Con Kolivas	dde7039726	Merge gpumining from oclmine. Unstable.	14 years ago