Removed workspace calculation and address other issues pointed out in #1133
Removed workspace calculation and address other issues pointed out in #1133

ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen,ROCmSoftwarePlatform/MIOpen