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bw_mem.s
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.file "bw_mem.c"
.globl TEMP
.bss
.align 4
.type TEMP, @object
.size TEMP, 4
TEMP:
.zero 4
.section .rodata
.LC0:
.string "memory malloc error\n"
.text
.globl do_mem_prepare
.type do_mem_prepare, @function
do_mem_prepare:
.LFB2:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $32, %rsp
movq %rdi, -24(%rbp)
movq -24(%rbp), %rax
movq 40(%rax), %rax
cmpq $1073741823, %rax
ja .L2
movq -24(%rbp), %rax
movq 40(%rax), %rcx
movl $1073741824, %eax
movl $0, %edx
divq %rcx
movl %eax, -4(%rbp)
movl $1073741824, %eax
cltd
idivl -4(%rbp)
movslq %eax, %rdx
movq -24(%rbp), %rax
movq %rdx, 40(%rax)
movq -24(%rbp), %rax
movl -4(%rbp), %edx
movl %edx, 48(%rax)
jmp .L3
.L2:
movq -24(%rbp), %rax
movl $1, 48(%rax)
.L3:
movq -24(%rbp), %rax
movq 40(%rax), %rax
movq %rax, %rdi
call malloc
movq %rax, %rdx
movq -24(%rbp), %rax
movq %rdx, 32(%rax)
movq -24(%rbp), %rax
movq 32(%rax), %rax
testq %rax, %rax
jne .L4
movl $.LC0, %edi
call perror
movl $1, %edi
call exit
.L4:
movq -24(%rbp), %rax
movq 40(%rax), %rax
movq %rax, %rdi
call malloc
movq %rax, %rdx
movq -24(%rbp), %rax
movq %rdx, 24(%rax)
movq -24(%rbp), %rax
movq 24(%rax), %rax
testq %rax, %rax
jne .L5
movl $.LC0, %edi
call perror
movl $1, %edi
call exit
.L5:
movq -24(%rbp), %rax
movq 40(%rax), %rdx
movq -24(%rbp), %rax
movq 32(%rax), %rax
movq %rdx, %rsi
movq %rax, %rdi
call bzero
movq -24(%rbp), %rax
movq 40(%rax), %rdx
movq -24(%rbp), %rax
movq 24(%rax), %rax
movq %rdx, %rsi
movq %rax, %rdi
call bzero
nop
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE2:
.size do_mem_prepare, .-do_mem_prepare
.globl do_mem_clean
.type do_mem_clean, @function
do_mem_clean:
.LFB3:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
movq %rdi, -8(%rbp)
movq -8(%rbp), %rax
movq 32(%rax), %rax
testq %rax, %rax
je .L7
movq -8(%rbp), %rax
movq 32(%rax), %rax
movq %rax, %rdi
call free
.L7:
movq -8(%rbp), %rax
movq 24(%rax), %rax
testq %rax, %rax
je .L8
movq -8(%rbp), %rax
movq 24(%rax), %rax
movq %rax, %rdi
call free
.L8:
movq -8(%rbp), %rax
movl $0, 48(%rax)
movq -8(%rbp), %rax
movq $0, 40(%rax)
nop
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE3:
.size do_mem_clean, .-do_mem_clean
.globl do_mem_rd
.type do_mem_rd, @function
do_mem_rd:
.LFB4:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
pushq %r13
pushq %r12
pushq %rbx
.cfi_offset 13, -24
.cfi_offset 12, -32
.cfi_offset 3, -40
movl %edi, -28(%rbp)
movq %rsi, -40(%rbp)
movl $0, %r12d
movq -40(%rbp), %rax
movq 32(%rax), %rbx
movq -40(%rbp), %rax
movq 32(%rax), %rdx
movq -40(%rbp), %rax
movq 40(%rax), %rax
leaq (%rdx,%rax), %r13
jmp .L10
.L12:
movl (%rbx), %edx
leaq 16(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 32(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 48(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 64(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 80(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 96(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 112(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 128(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 144(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 160(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 176(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 192(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 208(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 224(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 240(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 256(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 272(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 288(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 304(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 320(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 336(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 352(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 368(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 384(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 400(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 416(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 432(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 448(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 464(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 480(%rbx), %rax
movl (%rax), %eax
addl %eax, %edx
leaq 496(%rbx), %rax
movl (%rax), %eax
addl %edx, %eax
addl %eax, %r12d
addq $512, %rbx
.L11:
cmpq %r13, %rbx
jb .L12
movl TEMP(%rip), %eax
addl %r12d, %eax
movl %eax, TEMP(%rip)
.L10:
movl -28(%rbp), %eax
leal -1(%rax), %edx
movl %edx, -28(%rbp)
testl %eax, %eax
jne .L11
nop
popq %rbx
popq %r12
popq %r13
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE4:
.size do_mem_rd, .-do_mem_rd
.globl get_bw_mem
.type get_bw_mem, @function
get_bw_mem:
.LFB5:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $112, %rsp
movq %rdi, -104(%rbp)
movq %fs:40, %rax
movq %rax, -8(%rbp)
xorl %eax, %eax
movl $40, -84(%rbp)
movl -84(%rbp), %eax
sarl $2, %eax
movl %eax, -80(%rbp)
movl -84(%rbp), %eax
cltq
salq $4, %rax
movq %rax, %rdi
call malloc
movq %rax, -72(%rbp)
movl -84(%rbp), %eax
movl %eax, -88(%rbp)
movq -104(%rbp), %rax
movq (%rax), %rax
testq %rax, %rax
je .L16
movq -104(%rbp), %rax
movq (%rax), %rdx
movq -104(%rbp), %rax
movq %rax, %rdi
movl $0, %eax
call *%rdx
jmp .L16
.L17:
movq -104(%rbp), %rax
movl 48(%rax), %eax
movl %eax, -76(%rbp)
leaq -48(%rbp), %rax
movq %rax, %rsi
movl $0, %edi
call clock_gettime
movq -104(%rbp), %rax
movq 8(%rax), %rdx
movq -104(%rbp), %rcx
movl -76(%rbp), %eax
movq %rcx, %rsi
movl %eax, %edi
movl $0, %eax
call *%rdx
leaq -32(%rbp), %rax
movq %rax, %rsi
movl $0, %edi
call clock_gettime
leaq -32(%rbp), %rdx
leaq -48(%rbp), %rax
movq %rdx, %rsi
movq %rax, %rdi
call get_total_us
movq %rax, -64(%rbp)
movq -104(%rbp), %rax
movq 40(%rax), %rdx
movq -104(%rbp), %rax
movl 48(%rax), %eax
cltq
movq %rdx, %rcx
imulq %rax, %rcx
movq -64(%rbp), %rdx
movl -88(%rbp), %esi
movq -72(%rbp), %rax
movq %rax, %rdi
call save_bw_result
.L16:
movl -88(%rbp), %eax
leal -1(%rax), %edx
movl %edx, -88(%rbp)
testl %eax, %eax
jne .L17
movq -104(%rbp), %rax
movq 16(%rax), %rax
testq %rax, %rax
je .L18
movq -104(%rbp), %rax
movq 16(%rax), %rdx
movq -104(%rbp), %rax
movq %rax, %rdi
movl $0, %eax
call *%rdx
.L18:
movl -84(%rbp), %eax
movslq %eax, %rsi
movq -72(%rbp), %rax
movl $cmp_bw_result, %ecx
movl $16, %edx
movq %rax, %rdi
call qsort
movl -80(%rbp), %eax
cltq
salq $4, %rax
movq %rax, %rdx
movq -72(%rbp), %rax
addq %rdx, %rax
movq (%rax), %rdx
movl -80(%rbp), %eax
cltq
salq $4, %rax
movq %rax, %rcx
movq -72(%rbp), %rax
addq %rcx, %rax
movq 8(%rax), %rax
movq %rdx, %rsi
movq %rax, %rdi
call get_bandwidth
movq %xmm0, %rax
movq %rax, -56(%rbp)
movsd -56(%rbp), %xmm0
movq -8(%rbp), %rax
xorq %fs:40, %rax
je .L20
call __stack_chk_fail
.L20:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE5:
.size get_bw_mem, .-get_bw_mem
.section .rodata
.align 8
.LC1:
.string "blocksize: %7ldKB\tbandwidth of mem read: %lf MB/s\n"
.text
.globl bench_bandwidth_mem
.type bench_bandwidth_mem, @function
bench_bandwidth_mem:
.LFB6:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $80, %rsp
movq %fs:40, %rax
movq %rax, -8(%rbp)
xorl %eax, %eax
movq $do_mem_prepare, -64(%rbp)
movq $do_mem_rd, -56(%rbp)
movq $do_mem_clean, -48(%rbp)
movq $4096, -72(%rbp)
jmp .L22
.L23:
movq -72(%rbp), %rax
movq %rax, -24(%rbp)
leaq -64(%rbp), %rax
movq %rax, %rdi
call get_bw_mem
movq -72(%rbp), %rax
shrq $10, %rax
movq %rax, %rsi
movl $.LC1, %edi
movl $1, %eax
call printf
salq -72(%rbp)
.L22:
cmpq $268435455, -72(%rbp)
jbe .L23
nop
movq -8(%rbp), %rax
xorq %fs:40, %rax
je .L24
call __stack_chk_fail
.L24:
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE6:
.size bench_bandwidth_mem, .-bench_bandwidth_mem
.ident "GCC: (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0 20160609"
.section .note.GNU-stack,"",@progbits