#include <stdio.h>

void question1() {
	/*
		latency of arithmetic instruction = ~10+ ns
		GK110 SM (Kepler) has:
			2 warp schedulers
			4 warp dispatchers
		
		2 * 4 * 10 = 80 arithmetic instructions required
	*/
}

void question2() {
	/*
		block shape = (32, 32, 1)

		a)
			int idx = threadIdx.y + blockSize.y * threadIdx.x;
			if (idx % 32 < 16) {
			    foo();
			}
			else {
			    bar();
			}

		The code will not diverge because the idx will always be in iterations of 32; The block
		size is 32x32x1 meaning every iteration of threadIdx.x will increment idx by a scale of
		32. threadIdx.y will stay consistant for every thread inside the warp meaning the warp
		will not diverge
		
		b)
			const float pi = 3.14;
			float result = 1.0;
			for (int i = 0; i < threadIdx.x; i++) {
			    result *= pi;
			}

		The code will diverge because each thread in the warp has a different threadIdx.x meaning
		threads with smaller thread indices will have to stall and wait for the threads with 
		larger thread indices
	*/
}

void question3() {
	/*
		block shape = (32, 32, 1)

		a)
			data[threadIdx.x + blockSize.x * threadIdx.y] = 1.0;

		b)
			data[threadIdx.y + blockSize.y * threadIdx.x] = 1.0;

		c)
			data[1 + threadIdx.x + blockSize.x * threadIdx.y] = 1.0;
	*/
}

int main(void) {

}
	.file	"tmpxft_00279ea7_00000000-6_questions.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2033:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2033:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z9question1v
	.type	_Z9question1v, @function
_Z9question1v:
.LFB2027:
	.cfi_startproc
	endbr64
	ret
	.cfi_endproc
.LFE2027:
	.size	_Z9question1v, .-_Z9question1v
	.globl	_Z9question2v
	.type	_Z9question2v, @function
_Z9question2v:
.LFB2172:
	.cfi_startproc
	endbr64
	ret
	.cfi_endproc
.LFE2172:
	.size	_Z9question2v, .-_Z9question2v
	.globl	_Z9question3v
	.type	_Z9question3v, @function
_Z9question3v:
.LFB2174:
	.cfi_startproc
	endbr64
	ret
	.cfi_endproc
.LFE2174:
	.size	_Z9question3v, .-_Z9question3v
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2030:
	.cfi_startproc
	endbr64
	xorl	%eax, %eax
	ret
	.cfi_endproc
.LFE2030:
	.size	main, .-main
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2056:
	.cfi_startproc
	endbr64
	pushq	%rax
	.cfi_def_cfa_offset 16
	leaq	_ZL15__fatDeviceText(%rip), %rdi
	call	__cudaRegisterFatBinary@PLT
	movq	%rax, %rdi
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFatBinaryEnd@PLT
	leaq	_ZL26__cudaUnregisterBinaryUtilv(%rip), %rdi
	popq	%rdx
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE2056:
	.size	_ZL24__sti____cudaRegisterAllv, .-_ZL24__sti____cudaRegisterAllv
	.section	.init_array,"aw"
	.align 8
	.quad	_ZL24__sti____cudaRegisterAllv
	.section	.nvFatBinSegment,"aw"
	.align 8
	.type	_ZL15__fatDeviceText, @object
	.size	_ZL15__fatDeviceText, 24
_ZL15__fatDeviceText:
	.long	1180844977
	.long	1
	.quad	fatbinData
	.quad	0
	.local	_ZL20__cudaFatCubinHandle
	.comm	_ZL20__cudaFatCubinHandle,8,8
	.ident	"GCC: (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:


#include <hip/hip_runtime.h>
#include <stdio.h>

void question1() {
	/*
		latency of arithmetic instruction = ~10+ ns
		GK110 SM (Kepler) has:
			2 warp schedulers
			4 warp dispatchers
		
		2 * 4 * 10 = 80 arithmetic instructions required
	*/
}

void question2() {
	/*
		block shape = (32, 32, 1)

		a)
			int idx = threadIdx.y + blockSize.y * threadIdx.x;
			if (idx % 32 < 16) {
			    foo();
			}
			else {
			    bar();
			}

		The code will not diverge because the idx will always be in iterations of 32; The block
		size is 32x32x1 meaning every iteration of threadIdx.x will increment idx by a scale of
		32. threadIdx.y will stay consistant for every thread inside the warp meaning the warp
		will not diverge
		
		b)
			const float pi = 3.14;
			float result = 1.0;
			for (int i = 0; i < threadIdx.x; i++) {
			    result *= pi;
			}

		The code will diverge because each thread in the warp has a different threadIdx.x meaning
		threads with smaller thread indices will have to stall and wait for the threads with 
		larger thread indices
	*/
}

void question3() {
	/*
		block shape = (32, 32, 1)

		a)
			data[threadIdx.x + blockSize.x * threadIdx.y] = 1.0;

		b)
			data[threadIdx.y + blockSize.y * threadIdx.x] = 1.0;

		c)
			data[1 + threadIdx.x + blockSize.x * threadIdx.y] = 1.0;
	*/
}

int main(void) {

}
	.text
	.file	"questions.hip"
	.globl	_Z9question1v                   # -- Begin function _Z9question1v
	.type	_Z9question1v,@function
_Z9question1v:                          # @_Z9question1v
	.cfi_startproc
# %bb.0:
	retq
.Lfunc_end0:
	.size	_Z9question1v, .Lfunc_end0-_Z9question1v
	.cfi_endproc
                                        # -- End function
	.globl	_Z9question2v                   # -- Begin function _Z9question2v
	.type	_Z9question2v,@function
_Z9question2v:                          # @_Z9question2v
	.cfi_startproc
# %bb.0:
	retq
.Lfunc_end1:
	.size	_Z9question2v, .Lfunc_end1-_Z9question2v
	.cfi_endproc
                                        # -- End function
	.globl	_Z9question3v                   # -- Begin function _Z9question3v
	.type	_Z9question3v,@function
_Z9question3v:                          # @_Z9question3v
	.cfi_startproc
# %bb.0:
	retq
.Lfunc_end2:
	.size	_Z9question3v, .Lfunc_end2-_Z9question3v
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	xorl	%eax, %eax
	retq
.Lfunc_end3:
	.size	main, .Lfunc_end3-main
	.cfi_endproc
                                        # -- End function
	.type	__hip_cuid_,@object             # @__hip_cuid_
	.bss
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               # 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_

	.text
	.p2alignl 7, 3214868480
	.fill 96, 4, 3214868480
	.type	__hip_cuid_,@object             ; @__hip_cuid_
	.section	.bss,"aw",@nobits
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               ; 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.amdgpu_metadata
---
amdhsa.kernels:  []
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
