Benoit Steiner
2a54b70d45
Fixed potential race condition in the non blocking thread pool
2016-05-12 11:45:48 -07:00
Benoit Steiner
a071629fec
Replace implicit cast with an explicit one
2016-05-12 10:40:07 -07:00
Benoit Steiner
2f9401b061
Worked around compilation errors with older versions of gcc
2016-05-11 23:39:20 -07:00
Benoit Steiner
09653e1f82
Improved the portability of the tensor code
2016-05-11 23:29:09 -07:00
Benoit Steiner
fae0493f98
Fixed a couple of bugs related to the Pascalfamily of GPUs
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H: Enter commit message. Lines beginning with 'HG:' are removed.
2016-05-11 23:02:26 -07:00
Benoit Steiner
886445ce4d
Avoid unnecessary conversions between floats and doubles
2016-05-11 23:00:03 -07:00
Benoit Steiner
595e890391
Added more tests for half floats
2016-05-11 21:27:15 -07:00
Benoit Steiner
b6a517c47d
Added the ability to load fp16 using the texture path.
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Improved the performance of some reductions on fp16
2016-05-11 21:26:48 -07:00
Benoit Steiner
518149e868
Misc fixes for fp16
2016-05-11 20:11:14 -07:00
Benoit Steiner
56a1757d74
Made predux_min and predux_max on fp16 less noisy
2016-05-11 17:37:34 -07:00
Benoit Steiner
9091351dbe
__ldg is only available with cuda architectures >= 3.5
2016-05-11 15:22:13 -07:00
Benoit Steiner
02f76dae2d
Fixed a typo
2016-05-11 15:08:38 -07:00
Christoph Hertzberg
131e5a1a4a
Do not copy for trivial 1x1 case. This also avoids a "maybe-uninitialized" warning in some situations.
2016-05-11 23:50:13 +02:00
Benoit Steiner
70195a5ff7
Added missing EIGEN_DEVICE_FUNC
2016-05-11 14:10:09 -07:00
Benoit Steiner
09a19c33a8
Added missing EIGEN_DEVICE_FUNC qualifiers
2016-05-11 14:07:43 -07:00
Christoph Hertzberg
1a1ce6ff61
Removed deprecated flag (which apparently was ignored anyway)
2016-05-11 23:05:37 +02:00
Christoph Hertzberg
2150f13d65
fixed some double-promotion and sign-compare warnings
2016-05-11 23:02:26 +02:00
Christoph Hertzberg
7268b10203
Split unit test
2016-05-11 19:41:53 +02:00
Christoph Hertzberg
8d4ef391b0
Don't flood test output with successful VERIFY_IS_NOT_EQUAL tests.
2016-05-11 19:40:45 +02:00
Christoph Hertzberg
bda21407dd
Fix help output of buildtests and check scripts
2016-05-11 19:39:09 +02:00
Christoph Hertzberg
33ca7e3c8d
bug #1207 : Add and fix logical-op warnings
2016-05-11 19:36:34 +02:00
Benoit Steiner
217d984abc
Fixed a typo in my previous commit
2016-05-11 10:22:15 -07:00
Benoit Steiner
08348b4e48
Fix potential race condition in the CUDA reduction code.
2016-05-11 10:08:51 -07:00
Benoit Steiner
cbb14ed47e
Added a few tests to validate the generation of random tensors on GPU.
2016-05-11 10:05:56 -07:00
Benoit Steiner
6a5717dc74
Explicitely initialize all the atomic variables.
2016-05-11 10:04:41 -07:00
Christoph Hertzberg
0f61343893
Workaround maybe-uninitialized warning
2016-05-11 09:00:18 +02:00
Christoph Hertzberg
3bfc9b47ca
Workaround "misleading-indentation" warnings
2016-05-11 08:41:36 +02:00
Benoit Steiner
4ede059de1
Properly gate the use of half2.
2016-05-10 17:04:01 -07:00
Benoit Steiner
bf185c3c28
Extended the tests for ptanh
2016-05-10 16:21:43 -07:00
Benoit Steiner
661e710092
Added support for fp16 to the sigmoid functor.
2016-05-10 12:25:27 -07:00
Benoit Steiner
0eb69b7552
Small improvement to the full reduction of fp16
2016-05-10 11:58:18 -07:00
Benoit Steiner
0b9e3dcd06
Added packet primitives to compute exp, log, sqrt and rsqrt on fp16. This improves the performance by 10 to 30%.
2016-05-10 11:05:33 -07:00
Benoit Steiner
6bf8273bc0
Added a test to validate the new non blocking thread pool
2016-05-10 10:49:34 -07:00
Benoit Steiner
4013b8feca
Simplified the reduction code a little.
2016-05-10 09:40:42 -07:00
Benoit Steiner
75bd2bd32d
Fixed compilation warning
2016-05-09 19:24:41 -07:00
Benoit Steiner
4670d7d5ce
Improved the performance of full reductions on GPU:
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Before:
BM_fullReduction/10 200000 11751 8.51 MFlops/s
BM_fullReduction/80 5000 523385 12.23 MFlops/s
BM_fullReduction/640 50 36179326 11.32 MFlops/s
BM_fullReduction/4K 1 2173517195 11.50 MFlops/s
After:
BM_fullReduction/10 500000 5987 16.70 MFlops/s
BM_fullReduction/80 200000 10636 601.73 MFlops/s
BM_fullReduction/640 50000 58428 7010.31 MFlops/s
BM_fullReduction/4K 1000 2006106 12461.95 MFlops/s
2016-05-09 17:09:54 -07:00
Benoit Steiner
c3859a2b58
Added the ability to use a scratch buffer in cuda kernels
2016-05-09 17:05:53 -07:00
Benoit Steiner
ba95e43ea2
Added a new parallelFor api to the thread pool device.
2016-05-09 10:45:12 -07:00
Benoit Steiner
dc7dbc2df7
Optimized the non blocking thread pool:
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* Use a pseudo-random permutation of queue indices during random stealing. This ensures that all the queues are considered.
* Directly pop from a non-empty queue when we are waiting for work,
instead of first noticing that there is a non-empty queue and
then doing another round of random stealing to re-discover the non-empty
queue.
* Steal only 1 task from a remote queue instead of half of tasks.
2016-05-09 10:17:17 -07:00
Benoit Steiner
05c365fb16
Pulled latest updates from trunk
2016-05-07 13:39:04 -07:00
Benoit Steiner
691614bd2c
Worked around a bug in nvcc on tegra x1
2016-05-07 13:28:53 -07:00
Benoit Steiner
a2d94fc216
Merged latest updates from trunk
2016-05-06 19:17:57 -07:00
Benoit Steiner
8adf5cc70f
Added support for packet processing of fp16 on kepler and maxwell gpus
2016-05-06 19:16:43 -07:00
Benoit Steiner
1660e749b4
Avoid double promotion
2016-05-06 08:15:12 -07:00
Christoph Hertzberg
a11bd82dc3
bug #1213 : Give names to anonymous enums
2016-05-06 11:31:56 +02:00
Benoit Steiner
c54ae65c83
Marked a few tensor operations as read only
2016-05-05 17:18:47 -07:00
Benoit Steiner
69a8a4e1f3
Added a test to validate full reduction on tensor of half floats
2016-05-05 16:52:50 -07:00
Benoit Steiner
678a17ba79
Made the testing of contractions on fp16 more robust
2016-05-05 16:36:39 -07:00
Benoit Steiner
e3d053e14e
Refined the testing of log and exp on fp16
2016-05-05 16:24:15 -07:00
Benoit Steiner
9a48688d37
Further improved the testing of fp16
2016-05-05 15:58:05 -07:00
