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    RightMark Memory Analyzer v.3.0 — новая версия универсального теста подсистемы CPU / Chipset / RAM

    7 апреля 2004 Г.

    RightMark Memory Analyzer 3.0 - CPU/Chipset/RAM

    RightMark Memory Analyzer 3.0 — CPU/Chipset/RAM

    RightMark Memory Analyzer 2.4, . , — , . RightMark Memory Analyzer — . , (RightMark Memory Analyzer 2.5), , , , — . , , , - «», , , — . , RMMA 3.0, — , . , , . , RightMark Memory Analyzer 3.0.

    (CPU Info)

    , , .

    — , . , — , — , . (CPU Info / CPU), . , — (, ). , , — , , WCPUID CPU-Z. , , , , .

    CPU Index — ( ), (SMP) (Hyper-Threading) . . CPU ( ), .

    SMP ( , HT) , CPU «» «» , ( — AMD K8 (Opteron), «» ).

    Save — «» (CPUID) . ( ), , . , .

    Refresh — , CPU Index, (Cache/TLB).

    CPU Info / Cache.

    . — , «» (Featured) «» (Actual) . , CPUID , , .

    . . , , , CPUID . — « » . ? , 12- (, GenuineIntel AuthenticAMD). — ( , , 32- ). — «» ( SIMD-) , , — TLB. ( , ). , , «» « » , ( Intel Pentium III Transmeta Crusoe), «» (Brand String), .. ( , , Intel — Processor Number). , — CPUID n- — , «» . , , , L1/L2 , ( ) , .

    , , , (, , CPUID), (Latency) , (Bus Width) (Hierarchy) — .

    (CPU Info / TLB) — TLB .

    — (Featured) CPUID , (Actual) — . TLB (LP Entries/Associativity) — , - 4- , ( ) 4- . , , (Miss Penalty) TLB — , L1 TLB. .

    , .

    — ( , 3.0 , — , , , — ). ( ) , — , , , (ID=0).

    (General)

    , , RMMA 3.0.

    Memory Allocation

    , .

    Standard — «» (heap) malloc, .

    VirtualLock — , , Windows NT. VirtualAlloc, VirtualLock, , , .., « » (page fault).

    AWE — , Address Windowing Extensions, Windows 2000/XP/2003 Server. , , . AWE Lock Pages in Memory, , . :

    1. ;
    2. Local Security Policy Administrative Tools;
    3. Security Settings —> Local Policies —> User Rights Assignment;
    4. Lock pages in memory (, Administrators).
    5. , .

    Data Set Size

    , / . , ( ) , . , , 1MB, Data Set Size = 128 MB , 4 32 . Data Set Size ( ), .

    Thread Lock

    , , (realtime), , . , — , , , . (SMP Hyper-Threading) . , SMP, . , Hyper-Threading, . Hyper-Threading . , .. .

    Logarithmic Y Scale

    . .

    White Background

    , , (BMP) . . .

    Create Test Report

    , . , (MS Excel CSV) (BMP) .

    (Batch)

    , , , , «» . RMMA (Batch):

    • Delete — ;
    • Clear — ;
    • Load — ;
    • Save — .

    Add to Batch .

    , RMMA 3.0

    , — . . , — , - (« »). , — .

    , — RMMA 3.0 «» «». , , , . -, , , , . , :

    • ();
    • L1/L2 ;
    • L1/L2 ;
    • L1-L2 ;
    • ( ) D-TLB;
    • ( .. «») L1 ;
    • ALU/FPU/MMX;
    • ( ) I-TLB.

    , , , , . — , , ( ), .

    , , , .

    • , .
    • , , « » . , « » (, «», ..).
    • , CPU, .

    RMMA «» , , . «» , . , (Preset). . , .

    1: () (Memory Bandwidth)

    L1/L2/L3 (RAM). : ( ), // ( , ) (MMX, SSE SSE2).

    «» ( L1 ) .

    , (Maximal Real Read Bandwidth) — Software Prefetch Block Prefetch. , () , MB/s. .

    Variable Parameter

    Variable Parameter — :

    Block Size — ;

    PF Distance — Software Prefetch. , ( , );

    Block PF Size — - Block Prefetch. PF Distance, .

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; .

    Maximal Block Size

    Max Block Size, KB — Variable Parameter = Block Size.

    Minimal PF Distance

    Min PF Distance — Software Prefetch, , Variable Parameter = PF Distance; Software Prefetch . 0 , Software Prefetch .

    Maximal PF Distance

    Max PF Distance — Software Prefetch Variable Parameter = PF Distance.

    Minimal Block PF Size

    Min Block PF Size — Prefetch-, , Variable Parameter = Block PF Size; Prefetch- . Block Prefetch (1, 2), .

    Maximal Block PF Size

    Max Block PF Size — Prefetch-, , Variable Parameter = Block PF Size.

    Stride Size

    Stride Size — Block Prefetch (1, 2), . . , L1 Cache Line, , L1, .

    CPU Register Usage

    CPU Register Usage — /. 64-bit MMX, 128-bit SSE 128-bit SSE2.

    Read Prefetch Type

    Read Prefetch Type — Software Prefetch (PREFETCHNTA/T0/T1/T2), Block Prefetch. Variable Parameter = Block PF Size. Block Prefetch 1 «» - MOV AMD K7 (Athlon/Athlon XP/MP). , «» Block Prefetch 2 Software Prefetch (PREFETCHNTA). AMD K8 (Opteron/Athlon 64/FX).

    Non-Temporal Store

    Non-Temporal Store — ( write combining) . - (.., write allocate), «» , , .

    Copy-to-Self Mode

    Copy-to-Self Mode — « ». , , .. . , , . 100% Copy-to-Self, , (read around write). - , «» . , Non-Temporal Store Copy-to-Self .

    Selected Tests

    Selected Tests — .

    Read Bandwidth — ;

    Write Bandwidth — ;

    Copy Bandwidth — .

    2: / L1/L2 (D-Cache Latency)

    / L1/L2 , L2 L1/L2 . .

    Variable Parameter

    Variable Parameter — :

    Block Size — / . — L1, L2, L3 ( ) (RAM). : , . , . , (Stride Size, . ). , ( L2 L2 L1 «»). , , L1 (load-use latency) ; (L1..L1+L2) (L1..L2), ( , ) (L2) , , ( L3 ), , , L1+L2 (RAM). (. ).

    (Forward Read Latency) , , . , 8 .

    (Backward Read Latency) , . (Random Read Latency), , , . , 2.5, , (Pseudo-Random Read Latency) .

    , .

    Hardware Prefetch, D-TLB. ( D-TLB) .

    Walk Step Size — . ( , Min Walk Step Size Max Walk Step Size) , , «» (Stride Size, L1 ). (, ).

    Segments Count — L1/L2 , . . «» «» , , ( ), , . , , , .

    , , , . , « » — «» . , , «» n- - , n , , . . , « » L2 Pentium 4 512K, n = 8 64 , 8 x 64 = 512 , .. 0.1% (!). , 1MB. , L2/L3 (, , 1MB, , , 8MB , 8).

    NOP Count — (L2 ) «» , (L2 ). , «NOP»-, , /, «» , L1-L2 L2-RAM, , . RMMA «» x86 ALU or eax, edx ( eax , edx ), , , .

    Stride Size

    Stride Size — , , .

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; .

    Maximal Block Size

    Max Block Size, KB — Variable Parameter = Block Size.

    Minimal NOP Count

    Min NOP Count — «» Variable Parameter = NOP Count; «» .

    Maximal NOP Count

    Max NOP Count — «» Variable Parameter = NOP Count.

    Minimal Segments Count

    Min Segments Count — Variable Parameter = Segments Count; .

    Maximal Segments Count

    Max Segments Count — Variable Parameter = Segments Count.

    Minimal Walk Step Size

    Min Walk Step Size — , , Variable Parameter = Walk Step Size.

    Maximal Walk Step Size

    Max Walk Step Size — , , Variable Parameter = Walk Step Size.

    Latency Measurement

    Latency Measurement — ( Variable Parameter = NOP Count). 1 (Method 1) «» , (edx = 0):

    //
    mov eax, [eax]
    // , «»
    or eax, edx
    ...
    or eax, edx

    , ( ) . RMMA (Method 2), (ebx = edx = 0):

    // , «»
    add ebx, edx
    ...
    add ebx, edx
    //
    mov eax, [eax+ebx]
    and ebx, eax
    // , «»
    add ebx, edx
    ...
    add ebx, edx

    Selected Tests

    Selected Tests — .

    Forward Read Latency — ;

    Backward Read Latency — ;

    Random Read Latency — .

    Pseudo-Random Read Latency — .

    3: L1/L2 (D-Cache Bandwidth)

    L1-L2 ( L2-RAM). , , RMMA . , , L1/L2/RAM ( 1). , / «», .. , ALU . , , . :

    Variable Parameter

    Variable Parameter — :

    Block Size — ;

    Stride Size — L1-L2 L2-RAM . L1/L2 .

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; . , ( ) L1 . , L1-LSU-registers, L1 LSU (Load-Store Unit) , , «». L1-LSU (Memory BW) , L1 .

    Maximal Block Size

    Max Block Size, KB — , . , , L2 ( ) L1+L2 ( ) L1-L2. Block Size L1+L2 () / , , / .

    Minimal Stride Size

    Min Stride Size — / Variable Parameter = Stride Size; .

    Maximal Stride Size

    Max Stride Size — / Variable Parameter = Stride Size.

    Selected Tests

    Selected Tests — .

    Forward Read Bandwidth — ;

    Backward Read Bandwidth — ;

    Forward Write Bandwidth — ;

    Backward Write Bandwidth — ;

    4: L1/L2 (D-Cache Arrival)

    L1-L2 (, ) . , , , . 2, , , . .

    , L1/L2 ( , ). :

    Variable Parameter

    Variable Parameter — :

    Block Size — .

    NOP Count — «» , .

    SyncNOP Count — «» , .

    1st DW Offset — .

    2nd DW Offset — .

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; .

    Maximal Block Size

    Max Block Size, KB — Variable Parameter = Block Size.

    Minimal NOP Count

    Min NOP Count — «» Variable Parameter = NOP Count; «» .

    Maximal NOP Count

    Max NOP Count — «» Variable Parameter = NOP Count.

    Minimal SyncNOP Count

    Min SyncNOP Count — «» Variable Parameter = SyncNOP Count; «» .

    Maximal SyncNOP Count

    Max SyncNOP Count — «» Variable Parameter = SyncNOP Count.

    Stride Size

    Stride Size — , , .

    Minimal 1st Dword Offset

    Min 1st Dword Offset — , , Variable Parameter = 1st DW Offset; .

    Maximal 1st Dword Offset

    Max 1st Dword Offset — Variable Parameter = 1st DW Offset.

    Minimal 2nd Dword Offset

    Min 2nd Dword Offset — , , Variable Parameter = 2nd DW Offset; . , ( ):

    2nd_Dword_Offset = (2nd_Dword_Offset + 1st_Dword_Offset) % Stride_Size

    Maximal 2nd Dword Offset

    Max 2nd Dword Offset — Variable Parameter = 2nd DW Offset.

    Selected Tests

    Selected Tests — .

    Forward Two-Dword Read Latency — ;

    Backward Two-Dword Read Latency — ;

    Random Two-Dword Read Latency — .

    Pseudo-Random Two-Dword Read Latency — .

    5:
    (Decode Bandwidth)

    / (ALU/FPU/MMX), L1 . Trace Cache Pentium 4 / . .

    Variable Parameter

    Variable Parameter — :

    Block Size — ( « » (Decode Bandwidth) , ). « » ( runtime) , . (ret).

    Prefixes Count — [pref]nNOP (pref = 0x66, operand-size override prefix).

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; .

    Maximal Block Size

    Max Block Size, KB — Variable Parameter = Block Size.

    Minimal Prefixes Count, Maximal Prefixes Count

    Min Prefixes Count, Max Prefixes Count — Variable Parameter = Prefixes Count.

    Instructions Type

    Instructions Type — / :

    ALU — - ;

    FPU — , (FPU);

    MMX — - , MMX .

    Instructions Subtype

    Instructions Subtype — / . . , - .

    ALU NOP (1)
    LEA (2)
    MOV (2)
    ADD (2)
    SUB (2)
    OR (2)
    XOR (2)
    TEST (2)
    CMP (2)
    SHL (3)
    ROL (3)
    XOR/ADD (4)
    CMP-0 (4)
    CMP-0 (6)
    CMP-8 (6)
    CMP-16 (6)
    CMP-32 (6)
    CMP-0 (8)
    CMP-8 (8)
    CMP-16 (8)
    CMP-32 (8)
    		 nop
    lea eax, [eax]
    mov eax, eax
    add eax, eax
    sub eax, eax
    or eax, eax
    xor eax, eax
    test eax, eax
    cmp eax, eax
    shl eax, 0
    rol eax, 0
    xor eax, eax; add eax, eax
    cmp ax, 0x00
    cmp eax, 0x00000000
    cmp eax, 0x0000007f
    cmp eax, 0x00007fff
    cmp eax, 0x7fffffff
    [rep][addrovr]cmp eax, 0x00000000
    [rep][addrovr]cmp eax, 0x0000007f
    [rep][addrovr]cmp eax, 0x00007fff
    [rep][addrovr]cmp eax, 0x7fffffff
    FPU WAIT (1)
    FADD (2)
    FMUL (2)
    FSUB (2)
    FSUBR (2)
    FCHS (2)
    FABS (2)
    FTST (2)
    FXAM (2)
    FCOM (2)
    FCOMI (2)
    FST (2)
    FXCH (2)
    FDECSTP (2)
    FINCSTP (2)
    FFREE (2)
    FFREEP (2)
    		 wait
    fadd st(0), st(1)
    fmul st(0), st(1)
    fsub st(0), st(1)
    fsubr st(0), st(1)
    fchs
    fabs
    ftst
    fxam
    fcom st(1)
    fcomi st(0), st(1)
    fst st(0)
    fxch
    fdecstp
    fincstp
    ffree st(0)
    ffreep st(0)
    MMX EMMS (2)
    MOVQ (3)
    POR (3)
    PXOR (3)
    PADDD (3)
    PSUBD (3)
    PCMPEQD (3)
    PUNPCKLDQ (3)
    PSLLD (4)
    		 emms
    movq mm0, mm0
    por mm0, mm0
    pxor mm0, mm0
    paddd mm0, mm0
    psubd mm0, mm0
    pcmpeqd mm0, mm0
    punpckldq mm0, mm0
    pslld mm0, 0

    6:
    (I-Cache Latency)

    , RMMA 3.0. L1i/L2 /RAM , L1 L2 /. : , (jmp) , Stride Size, (ret). , «» n- , (n+1)- .

    , , — (jmp) (mov eax, [eax]). :

    Variable Parameter

    Variable Parameter — :

    Block Size — ;

    Segments Count — , .

    Stride Size

    Stride Size — , .

    Minimal Block Size

    Min Block Size, KB — , , Variable Parameter = Block Size; .

    Maximal Block Size

    Max Block Size, KB — Variable Parameter = Block Size.

    Minimal Segments Count

    Min Segments Count — Variable Parameter = Segments Count; .

    Maximal Segments Count

    Max Segments Count — Variable Parameter = Segments Count.

    Jump Type

    Jump Type — :

    Near — (jmp near +relative_offset); Far — (mov ecx, absolute_offset; jmp ecx).

    Selected Tests

    Selected Tests — .

    Forward Read Latency — ;

    Backward Read Latency — ;

    Random Read Latency — .

    Pseudo-Random Read Latency — .

    7: (D-TLB)

    (Translation Lookaside Buffer, L1/L2 D-TLB). , , L1 , , , .

    ( , ( , 4096 ), , 4 ).

    , TLB , L1 (TLB hit). L1 TLB (TLB miss). , (Maximal TLB Entries) L1 , , L1 L2, D-TLB. , TLB , -, L1 ( ). :

    Variable Parameter

    Variable Parameter — .

    TLB Entries — L1 .

    Segments Count — L1 « TLB» ( ) , D-TLB. «» ( 2), , ( — ). , TLB «» .

    Stride Size

    Stride Size — , .

    Minimal TLB Entries

    Min TLB Entries — , -, Variable Parameter = TLB Entries; .

    Maximal TLB Entries

    Max TLB Entries — Variable Parameter = TLB Entries.

    Minimal Segments Count

    Min Segments Count — Variable Parameter = Segments Count; .

    Maximal Segments Count

    Max Segments Count — Variable Parameter = Segments Count.

    Selected Tests

    Selected Tests — .

    Forward Access — ;

    Backward Access — ;

    Random Access — .

    8: (I-TLB)

    (Instructions Translation Lookaside Buffer, L1/L2 I-TLB). , D-TLB, L1 , , . , 7, .

    Variable Parameter

    Variable Parameter — :

    TLB Entries — L1i .

    Segments Count — L1i I-TLB .

    Stride Size

    Stride Size — , . (jmp). , I-TLB «» .

    , , (ret).

    Minimal TLB Entries

    Min TLB Entries — , - L1i, Variable Parameter = TLB Entries; .

    Maximal TLB Entries

    Max TLB Entries — Variable Parameter = TLB Entries.

    Minimal Segments Count

    Min Segments Count — Variable Parameter = Segments Count; .

    Maximal Segments Count

    Max Segments Count — Variable Parameter = Segments Count.

    Jump Type

    Jump Type — :

    Near — (jmp near +relative_offset);

    Far — (mov ecx, absolute_offset; jmp ecx).

    Selected Tests

    Selected Tests — :

    Forward Access — ;

    Backward Access — ;

    Random Access — .

    — , . , — - ( , ). , , CPU RightMark, . — , — « » , , , — . «» C/C++, « », - .

    9:
    (RAM Performance)

    , . , , STREAM. :

    Minimal Block Size

    Min Block Size, KB — .

    Maximal Block Size

    Max Block Size, KB — . , , , (. ).

    Selected Tests

    Selected Tests — .

    Float Copy — ( , — 64-bit double):
    a[i] = b[i];

    Float Scale — , :
    a[i] = b[i] * k;

    Float Add — :
    a[i] = b[i] + c[i];

    Float Triad — Float Add Float Scale, . , , :
    a[i] = b[i] + c[i] * k;

    , (Float Copy, Float Scale) (Float Add Float Triad) . , (, ), — (, , ). , «» — , . , , — .. (Float Copy, Float Scale) (Float Add Float Triad) , .

    10:
    (RAM Stability)

    RMMA 3.0 , , RAM Stability.

    , ( , ). , , , RMMA 3.0. , — ( Block Size, KB). «» , ( — Test Time, minutes — ).

    , , — , , , . , / . «» - (Stability.log) , (Log File Interval, seconds). , , .



    (dmitri_b@ixbt.com)

    — 7 2004 .
     
     
    ?? ? peek@ixbt.com

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