search for: ptxversion

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2011 May 07
2
[LLVMdev] [PATCH ]Add Subtarget ptx23
Hi, Justin Thansk, but I have a little concern though. I saw Chiou mentioned the compatibility issue of PTX on the mailing list. http://lists.cs.uiuc.edu/pipermail/llvmdev/2011-March/038654.html In my PTX.td patch, def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", PTX_VERSION_2_3", "Use PTX Language Version 2.3", [FeaturePTX22]>; I can only guess above statement means PTX23 is fully compatible with PTX22. Is my guess right? If so, how can one express that Fea...
2011 May 08
0
[LLVMdev] [PATCH ]Add Subtarget ptx23
...Thansk, but I have a little concern though. I saw Chiou mentioned the > compatibility issue of PTX on the mailing list. > http://lists.cs.uiuc.edu/pipermail/llvmdev/2011-March/038654.html > > In my PTX.td patch, > > def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", > PTX_VERSION_2_3", > "Use PTX Language Version 2.3", > [FeaturePTX22]>; > > I can only guess above statement means PTX23 is fully compatible with > PTX22. Is my guess right? If so, how...
2011 May 06
2
[LLVMdev] [PATCH ]Add Subtarget ptx23
.../Target/PTX/PTX.td (revision 130978) +++ lib/Target/PTX/PTX.td (working copy) @@ -38,6 +38,10 @@ "Use PTX Language Version 2.2", [FeaturePTX21]>; +def FeaturePTX23 : SubtargetFeature<"ptx23", "PTXVersion", "PTX_VERSION_2_3", + "Use PTX Language Version 2.3", + [FeaturePTX22]>; + //===- PTX Shader Model ---------------------------------------------------===// def FeatureSM10 : SubtargetFeature<&q...
2011 Mar 10
1
[LLVMdev] [PTX] Should we keep backward-compatibility of PTX?
Hi Justin, There are some backward incompatible features of PTX; for example, special registers are redefined as v4i32 (they were v4i16) in PTX 2.0. And CUDA 4.0 was rolled out last week. I heard that some instructions are deprecated. I am not sure how stable (or unstable) PTX specification is. Do you have a rough assessment of its stability? If PTX specification is still fast evolving, I would
2011 May 06
0
[LLVMdev] [PATCH ]Add Subtarget ptx23
On Fri, May 6, 2011 at 5:37 AM, 陳韋任 <chenwj at iis.sinica.edu.tw> wrote: > Hi, Justin > > PTX version in CUDA 4.0 has changed from 2.2 to 2.3. > I add ptx23 subtarget and update a testcase. > > Is that O.K.? > Looks good. Committed in r130980. Thanks! In the future, patches should be sent to llvm-commits instead of llvmdev. > > Regards, > chenwj >