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| author | psychocrypt <psychocrypt@users.noreply.github.com> | 2017-11-10 20:41:31 +0100 |
|---|---|---|
| committer | psychocrypt <psychocrypt@users.noreply.github.com> | 2017-11-15 16:21:34 +0100 |
| commit | 350158a66826a62aaa41e326453980add1bb860b (patch) | |
| tree | a2f591256972bedc1b919a9cadc49cd8855443a7 | |
| parent | 22039b2a8755e73fb812e6fa34b75d5665ab10de (diff) | |
| download | xmr-stak-350158a66826a62aaa41e326453980add1bb860b.zip xmr-stak-350158a66826a62aaa41e326453980add1bb860b.tar.gz | |
AMD: increase memory pool
Documentation: Add environment variables to increase OpenCL memory pool
| -rw-r--r-- | doc/tuning.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/doc/tuning.md b/doc/tuning.md index 6459235..474553b 100644 --- a/doc/tuning.md +++ b/doc/tuning.md @@ -7,6 +7,7 @@ * [AMD Backend](#amd-backend) * [Choose `intensity` and `worksize`](#choose-intensity-and-worksize) * [Add more GPUs](#add-more-gpus) + * [Increase Memory Pool](#increase-memory-pool) ## NVIDIA Backend @@ -66,3 +67,17 @@ If you are unsure of either GPU or platform index value, you can use `clinfo` to "platform_index" : 0, ``` + +### Increase Memory Pool + +By setting the following environment variables before the miner is started OpenCl allows the miner to more threads. +This variables must be set each time before the miner is started else it could be that the miner can not allocate enough memory and is crashing. + +``` +export GPU_FORCE_64BIT_PTR=1 +export GPU_MAX_HEAP_SIZE=99 +export GPU_MAX_ALLOC_PERCENT=99 +export GPU_SINGLE_ALLOC_PERCENT=99 +``` + +*Note:* Windows user must use `set` instead of `export` to define an environment variable.
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