Re: How to use math functions in dcompute?
On Tuesday, 25 September 2018 at 05:18:55 UTC, Sobaya wrote: On Thursday, 20 September 2018 at 12:48:14 UTC, Nicholas Wilson wrote: On Thursday, 20 September 2018 at 12:43:02 UTC, Nicholas Wilson wrote: Hmm, I can reproduce. Will look into it. pragma(LDC_intrinsic, "llvm.nvvm.cos.approx.f") float cos(float val); does work but is an approximation. It works for me. I'll use it currently. Thanks! FYI: Using pragma(LDC_intrinsic, "llvm.nvvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); seems to work now.
Re: How to use math functions in dcompute?
On Thursday, 20 September 2018 at 12:48:14 UTC, Nicholas Wilson wrote: On Thursday, 20 September 2018 at 12:43:02 UTC, Nicholas Wilson wrote: Hmm, I can reproduce. Will look into it. pragma(LDC_intrinsic, "llvm.nvvm.cos.approx.f") float cos(float val); does work but is an approximation. It works for me. I'll use it currently. Thanks!
Re: How to use math functions in dcompute?
On Thursday, 20 September 2018 at 12:43:02 UTC, Nicholas Wilson wrote: Hmm, I can reproduce. Will look into it. pragma(LDC_intrinsic, "llvm.nvvm.cos.approx.f") float cos(float val); does work but is an approximation.
Re: How to use math functions in dcompute?
On Thursday, 20 September 2018 at 05:16:04 UTC, Sobaya wrote: On Wednesday, 19 September 2018 at 00:22:44 UTC, Nicholas Wilson wrote: On Wednesday, 19 September 2018 at 00:11:13 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 06:25:33 UTC, Sobaya wrote: On Tuesday, 18 September 2018 at 01:39:51 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week. I declared like: pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") T cos(T)(T val) if (__traits(isFloating, T)); It also doesn't work. pragma(LDC_intrinsic, "llvm.nvvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) OR pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") float cos(float val) And if they don't work, use pragma(LDC_intrinsic, "llvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) "llvm.nvvm.cos.f#" and "llvm.nvvm.cos.f32" don't work. And when I use "llvm.cos.f#", Another error occurred in linking. LLVM ERROR: Cannot select: 0xe0d4798: f32 = fcos ConstantFP:f32<0.00e+00> 0xe0b9db0: f32 = ConstantFP<0.00e+00> Hmm, I can reproduce. Will look into it.
Re: How to use math functions in dcompute?
On Wednesday, 19 September 2018 at 00:22:44 UTC, Nicholas Wilson wrote: On Wednesday, 19 September 2018 at 00:11:13 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 06:25:33 UTC, Sobaya wrote: On Tuesday, 18 September 2018 at 01:39:51 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week. I declared like: pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") T cos(T)(T val) if (__traits(isFloating, T)); It also doesn't work. pragma(LDC_intrinsic, "llvm.nvvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) OR pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") float cos(float val) And if they don't work, use pragma(LDC_intrinsic, "llvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) "llvm.nvvm.cos.f#" and "llvm.nvvm.cos.f32" don't work. And when I use "llvm.cos.f#", Another error occurred in linking. LLVM ERROR: Cannot select: 0xe0d4798: f32 = fcos ConstantFP:f32<0.00e+00> 0xe0b9db0: f32 = ConstantFP<0.00e+00>
Re: How to use math functions in dcompute?
On Wednesday, 19 September 2018 at 00:11:13 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 06:25:33 UTC, Sobaya wrote: On Tuesday, 18 September 2018 at 01:39:51 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week. I declared like: pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") T cos(T)(T val) if (__traits(isFloating, T)); It also doesn't work. pragma(LDC_intrinsic, "llvm.nvvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) OR pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") float cos(float val) And if they don't work, use pragma(LDC_intrinsic, "llvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.)
Re: How to use math functions in dcompute?
On Tuesday, 18 September 2018 at 06:25:33 UTC, Sobaya wrote: On Tuesday, 18 September 2018 at 01:39:51 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week. I declared like: pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") T cos(T)(T val) if (__traits(isFloating, T)); It also doesn't work. pragma(LDC_intrinsic, "llvm.nvvm.cos.f#") // note the # in place of 32 T cos(T)(T val) if (__traits(isFloating, T)); (Just don't use real with it.) OR pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") float cos(float val)
Re: How to use math functions in dcompute?
On Tuesday, 18 September 2018 at 01:39:51 UTC, Nicholas Wilson wrote: On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week. I declared like: pragma(LDC_intrinsic, "llvm.nvvm.cos.f32") T cos(T)(T val) if (__traits(isFloating, T)); It also doesn't work.
Re: How to use math functions in dcompute?
On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: I'm waiting for the update. How's your progress? I t appears I have broke SPIR-V completely somewhere along the line, I may release a v0.2 with out it, hopefully within the week.
Re: How to use math functions in dcompute?
On Tuesday, 18 September 2018 at 00:25:33 UTC, Sobaya wrote: On Friday, 7 September 2018 at 10:53:25 UTC, Sobaya wrote: On Friday, 7 September 2018 at 10:17:47 UTC, Nicholas Wilson wrote: On Friday, 7 September 2018 at 06:45:32 UTC, Sobaya wrote: [...] You're missing an "m" in "nvvm", dunno if that will fix it. [...] I'll be adding these to DCompute soon (probably Sunday), LLVM7.0 has just been released and I've been waiting on that to do testing. I understand about the release. But missing "m" is just my typo here. I wrote "llvm.nvvm.cos" correctly on my code, and error occurred. I'm waiting for the update. How's your progress? Still it doesn't work well in my environment. If you know temporary solution for use "cos" or "sin", I want to try it. Thank you. Sorry you need to add a size for the argument "llvm.nvvm.cos.f32" for float or copy what is done in ldc/intrinsics.di with a template for "llvm.nvvm.cos.f#"
Re: How to use math functions in dcompute?
On Friday, 7 September 2018 at 10:53:25 UTC, Sobaya wrote: On Friday, 7 September 2018 at 10:17:47 UTC, Nicholas Wilson wrote: On Friday, 7 September 2018 at 06:45:32 UTC, Sobaya wrote: [...] You're missing an "m" in "nvvm", dunno if that will fix it. [...] I'll be adding these to DCompute soon (probably Sunday), LLVM7.0 has just been released and I've been waiting on that to do testing. I understand about the release. But missing "m" is just my typo here. I wrote "llvm.nvvm.cos" correctly on my code, and error occurred. I'm waiting for the update. How's your progress? Still it doesn't work well in my environment. If you know temporary solution for use "cos" or "sin", I want to try it. Thank you.
Re: How to use math functions in dcompute?
On Friday, 7 September 2018 at 10:17:47 UTC, Nicholas Wilson wrote: On Friday, 7 September 2018 at 06:45:32 UTC, Sobaya wrote: [...] You're missing an "m" in "nvvm", dunno if that will fix it. [...] I'll be adding these to DCompute soon (probably Sunday), LLVM7.0 has just been released and I've been waiting on that to do testing. I understand about the release. But missing "m" is just my typo here. I wrote "llvm.nvvm.cos" correctly on my code, and error occurred.
Re: How to use math functions in dcompute?
On Friday, 7 September 2018 at 06:45:32 UTC, Sobaya wrote: Sorry for being late for reply. I'm using CUDA for back-end. So you mean if required function is "cos", pragma(LDC_intrinsic, "llvm.nvv.cos") T cos(T a); Is it right? You're missing an "m" in "nvvm", dunno if that will fix it. I tried this declaration, but I got an error diffrent from previous one: dcompute.driver.error.DComputeDriverException@../../.dub/packages/dcompute-master/dcompute/source/dcompute/driver/error.d(172): cast(Status)218 ??:? [0x48739e] ??:? [0x48f8aa] ??:? [0x47942d] error.d:172 [0x42fe61] error.d:167 [0x42fdb4] error.d:187 [0x42feca] program.d:30 [0x42fc00] app.d:13 [0x417bea] ??:? [0x47908f] ??:? [0x478f85] __entrypoint.d:8 [0x4289f4] ??:? __libc_start_main [0x2b85f455282f] ??:? [0x405c08] Program exited with code 1 My declaration is wrong? Or fixed LLVM(LDC?) is already released? How can I use it ? I'll be adding these to DCompute soon (probably Sunday), LLVM7.0 has just been released and I've been waiting on that to do testing.
Re: How to use math functions in dcompute?
On Friday, 31 August 2018 at 13:30:10 UTC, Nicholas Wilson wrote: On Thursday, 30 August 2018 at 10:34:33 UTC, Sobaya wrote: On Monday, 27 August 2018 at 12:47:45 UTC, Nicholas Wilson wrote: On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote: On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error. Thanks for bringing this to my attention, will fix soon. In the meantime you may declare your own intrinsics in a @compute module and it should work. as in @compute module mymath; pragma(LDC_intrinsic, "llvm.sqrt.f#") T llvm_sqrt(T)(T val) if (__traits(isFloating, T)); This will work if you are targeting CUDA, SPIRV may not like it because the backend is less... mature. Thank you for replaying. Surely the definition you told me works for "sqrt". But "cos" and "sin" does not work. The error message is LLVM ERROR: Cannot select: 0xd76ffd8: f32 = fcos ConstantFP:f32<0.00e+00> 0xd76ff70: f32 = ConstantFP<0.00e+00> What's wrong? SPIR-V or CUDA? for SPIR-V try pragma(mangle, "_Z3sinf") float sin(float); pragma(mangle, "_Z3cosf") float cos(float); more generally see https://github.com/KhronosGroup/SPIR-Tools/wiki/SPIR-2.0-built-in-functions If this is a problem with CUDA you could try using the NVPTX intrinsics pragma(LDC_intrinsic, "llvm.nvvm.namegoeshere") T namegoeshere(Args a); If you need to use both SPIR-V and CUDA then see the hackery e.g. https://github.com/libmir/dcompute/blob/master/source/dcompute/std/index.d#L45 LLVM will be released on September 5th I will fix up this shortly after. Sorry for the alpha state of things right now. Nic Sorry for being late for reply. I'm using CUDA for back-end. So you mean if required function is "cos", pragma(LDC_intrinsic, "llvm.nvv.cos") T cos(T a); Is it right? I tried this declaration, but I got an error diffrent from previous one: dcompute.driver.error.DComputeDriverException@../../.dub/packages/dcompute-master/dcompute/source/dcompute/driver/error.d(172): cast(Status)218 ??:? [0x48739e] ??:? [0x48f8aa] ??:? [0x47942d] error.d:172 [0x42fe61] error.d:167 [0x42fdb4] error.d:187 [0x42feca] program.d:30 [0x42fc00] app.d:13 [0x417bea] ??:? [0x47908f] ??:? [0x478f85] __entrypoint.d:8 [0x4289f4] ??:? __libc_start_main [0x2b85f455282f] ??:? [0x405c08] Program exited with code 1 My declaration is wrong? Or fixed LLVM(LDC?) is already released? How can I use it ?
Re: How to use math functions in dcompute?
On Thursday, 30 August 2018 at 10:34:33 UTC, Sobaya wrote: On Monday, 27 August 2018 at 12:47:45 UTC, Nicholas Wilson wrote: On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote: On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error. Thanks for bringing this to my attention, will fix soon. In the meantime you may declare your own intrinsics in a @compute module and it should work. as in @compute module mymath; pragma(LDC_intrinsic, "llvm.sqrt.f#") T llvm_sqrt(T)(T val) if (__traits(isFloating, T)); This will work if you are targeting CUDA, SPIRV may not like it because the backend is less... mature. Thank you for replaying. Surely the definition you told me works for "sqrt". But "cos" and "sin" does not work. The error message is LLVM ERROR: Cannot select: 0xd76ffd8: f32 = fcos ConstantFP:f32<0.00e+00> 0xd76ff70: f32 = ConstantFP<0.00e+00> What's wrong? SPIR-V or CUDA? for SPIR-V try pragma(mangle, "_Z3sinf") float sin(float); pragma(mangle, "_Z3cosf") float cos(float); more generally see https://github.com/KhronosGroup/SPIR-Tools/wiki/SPIR-2.0-built-in-functions If this is a problem with CUDA you could try using the NVPTX intrinsics pragma(LDC_intrinsic, "llvm.nvvm.namegoeshere") T namegoeshere(Args a); If you need to use both SPIR-V and CUDA then see the hackery e.g. https://github.com/libmir/dcompute/blob/master/source/dcompute/std/index.d#L45 LLVM will be released on September 5th I will fix up this shortly after. Sorry for the alpha state of things right now. Nic
Re: How to use math functions in dcompute?
On Monday, 27 August 2018 at 12:47:45 UTC, Nicholas Wilson wrote: On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote: On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error. Thanks for bringing this to my attention, will fix soon. In the meantime you may declare your own intrinsics in a @compute module and it should work. as in @compute module mymath; pragma(LDC_intrinsic, "llvm.sqrt.f#") T llvm_sqrt(T)(T val) if (__traits(isFloating, T)); This will work if you are targeting CUDA, SPIRV may not like it because the backend is less... mature. Thank you for replaying. Surely the definition you told me works for "sqrt". But "cos" and "sin" does not work. The error message is LLVM ERROR: Cannot select: 0xd76ffd8: f32 = fcos ConstantFP:f32<0.00e+00> 0xd76ff70: f32 = ConstantFP<0.00e+00> What's wrong?
Re: How to use math functions in dcompute?
On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote: On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error. Thanks for bringing this to my attention, will fix soon. In the meantime you may declare your own intrinsics in a @compute module and it should work. as in @compute module mymath; pragma(LDC_intrinsic, "llvm.sqrt.f#") T llvm_sqrt(T)(T val) if (__traits(isFloating, T)); This will work if you are targeting CUDA, SPIRV may not like it because the backend is less... mature.
Re: How to use math functions in dcompute?
On Monday, 27 August 2018 at 09:57:18 UTC, Sobaya wrote: On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error. Ah, interesting
Re: How to use math functions in dcompute?
On Monday, 27 August 2018 at 09:41:34 UTC, 9il wrote: On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common Do you mean llvm_sqrt in ldc.intrinsics? These functions are also not @compute code, so they cause the same error.
Re: How to use math functions in dcompute?
On Monday, 27 August 2018 at 08:25:14 UTC, Sobaya wrote: I'm using dcompute(https://github.com/libmir/dcompute). In the development, I have got to use math functions such as sqrt in @compute function. But LDC says "can only call functions from other @compute modules in @compute code", so can't I call any math functions with dcompute? Is there any way to use predefined math functions in dcompute? Thanks. You may want to try ldc.intrinsics / mir.math.common
