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-rw-r--r--CHANGELOG5
-rw-r--r--src/database/kernels/xgemm_direct.hpp72
2 files changed, 69 insertions, 8 deletions
diff --git a/CHANGELOG b/CHANGELOG
index 9adb6e64..87ecccce 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,8 +1,9 @@
Development version (next release)
-- It is now possible to set OpenCL compiler options through the env variable CLBLAST_BUILD_OPTIONS
-- Fixed a bug in the tests and samples related to waiting for an invalid event
- Updated to version 8.0 of the CLCudaAPI C++11 OpenCL header
+- Improved performance of GEMM kernels for small sizes by using a direct single-kernel implementation
+- Fixed a bug in the tests and samples related to waiting for an invalid event
+- Added an option to set OpenCL compiler options through the env variable CLBLAST_BUILD_OPTIONS
- Added an option to run tuned kernels multiple times to average execution times
- Various minor fixes and enhancements
diff --git a/src/database/kernels/xgemm_direct.hpp b/src/database/kernels/xgemm_direct.hpp
index bc91fdc2..202deb1f 100644
--- a/src/database/kernels/xgemm_direct.hpp
+++ b/src/database/kernels/xgemm_direct.hpp
@@ -7,7 +7,7 @@
// Author(s):
// Database generator <database.py>
//
-// This file populates the database with best-found tuning parameters for the 'Xgemm' kernels.
+// This file populates the database with best-found tuning parameters for the 'Xgemm_Direct' kernels.
//
// =================================================================================================
@@ -18,7 +18,7 @@ const Database::DatabaseEntry Database::XgemmDirectHalf = {
"XgemmDirect", Precision::kHalf, {
{ // Default
kDeviceTypeAll, "default", {
- { "default", { {"WGD",32}, {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"VWMD",1}, {"VWND",1}, {"PADA",0}, {"PADB",0} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",4}, {"VWND",4}, {"WGD",32} } },
}
},
}
@@ -28,9 +28,27 @@ const Database::DatabaseEntry Database::XgemmDirectHalf = {
const Database::DatabaseEntry Database::XgemmDirectSingle = {
"XgemmDirect", Precision::kSingle, {
+ { // AMD GPUs
+ kDeviceTypeGPU, "AMD", {
+ { "AMD Radeon R9 M370X Compute Engine", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ }
+ },
+ { // Intel GPUs
+ kDeviceTypeGPU, "Intel", {
+ { "Iris Pro", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",4}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",4}, {"WGD",32} } },
+ }
+ },
+ { // NVIDIA GPUs
+ kDeviceTypeGPU, "NVIDIA", {
+ { "GeForce GTX 750 Ti", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",4}, {"VWND",4}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",4}, {"VWND",4}, {"WGD",32} } },
+ }
+ },
{ // Default
kDeviceTypeAll, "default", {
- { "default", { {"WGD",32}, {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"VWMD",1}, {"VWND",1}, {"PADA",0}, {"PADB",0} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",4}, {"VWND",4}, {"WGD",32} } },
}
},
}
@@ -40,9 +58,27 @@ const Database::DatabaseEntry Database::XgemmDirectSingle = {
const Database::DatabaseEntry Database::XgemmDirectComplexSingle = {
"XgemmDirect", Precision::kComplexSingle, {
+ { // AMD GPUs
+ kDeviceTypeGPU, "AMD", {
+ { "AMD Radeon R9 M370X Compute Engine", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",16}, {"NDIMCD",16}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",16}, {"NDIMCD",16}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ }
+ },
+ { // Intel GPUs
+ kDeviceTypeGPU, "Intel", {
+ { "Iris Pro", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ }
+ },
+ { // NVIDIA GPUs
+ kDeviceTypeGPU, "NVIDIA", {
+ { "GeForce GTX 750 Ti", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",2}, {"WGD",16} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",2}, {"WGD",16} } },
+ }
+ },
{ // Default
kDeviceTypeAll, "default", {
- { "default", { {"WGD",32}, {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"VWMD",1}, {"VWND",1}, {"PADA",0}, {"PADB",0} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
}
},
}
@@ -52,9 +88,21 @@ const Database::DatabaseEntry Database::XgemmDirectComplexSingle = {
const Database::DatabaseEntry Database::XgemmDirectDouble = {
"XgemmDirect", Precision::kDouble, {
+ { // AMD GPUs
+ kDeviceTypeGPU, "AMD", {
+ { "AMD Radeon R9 M370X Compute Engine", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ }
+ },
+ { // NVIDIA GPUs
+ kDeviceTypeGPU, "NVIDIA", {
+ { "GeForce GTX 750 Ti", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",2}, {"VWND",2}, {"WGD",32} } },
+ }
+ },
{ // Default
kDeviceTypeAll, "default", {
- { "default", { {"WGD",32}, {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"VWMD",1}, {"VWND",1}, {"PADA",0}, {"PADB",0} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
}
},
}
@@ -64,9 +112,21 @@ const Database::DatabaseEntry Database::XgemmDirectDouble = {
const Database::DatabaseEntry Database::XgemmDirectComplexDouble = {
"XgemmDirect", Precision::kComplexDouble, {
+ { // AMD GPUs
+ kDeviceTypeGPU, "AMD", {
+ { "AMD Radeon R9 M370X Compute Engine", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",16}, {"NDIMCD",16}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ { "default", { {"KWID",2}, {"MDIMAD",16}, {"MDIMCD",16}, {"NDIMBD",16}, {"NDIMCD",16}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",16} } },
+ }
+ },
+ { // NVIDIA GPUs
+ kDeviceTypeGPU, "NVIDIA", {
+ { "GeForce GTX 750 Ti", { {"KWID",2}, {"MDIMAD",32}, {"MDIMCD",32}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",32} } },
+ { "default", { {"KWID",2}, {"MDIMAD",32}, {"MDIMCD",32}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",1}, {"WGD",32} } },
+ }
+ },
{ // Default
kDeviceTypeAll, "default", {
- { "default", { {"WGD",32}, {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"VWMD",1}, {"VWND",1}, {"PADA",0}, {"PADB",0} } },
+ { "default", { {"KWID",2}, {"MDIMAD",8}, {"MDIMCD",8}, {"NDIMBD",8}, {"NDIMCD",8}, {"PADA",1}, {"PADB",1}, {"VWMD",1}, {"VWND",2}, {"WGD",16} } },
}
},
}