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未验证 提交 7aa3aff3 编写于 作者: T tensor-tang 提交者： GitHub
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Merge pull request #14465 from tensor-tang/fea/jit/exp 

jitcode act support all size
上级 1b894e49 a19b3225
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paddle/fluid/operators/math/jit_code.cc
浏览文件 @ 7aa3aff3
......@@ -13,8 +13,7 @@ See the License for the specific language governing permissions and
limitations under the License. */
#include "paddle/fluid/operators/math/jit_code.h"
#include "paddle/fluid/operators/math/jit_kernel.h"
#include "paddle/fluid/platform/cpu_info.h"
#include "paddle/fluid/operators/math/jit_kernel.h" // TODO(TJ): remove me
namespace paddle {
namespace operators {
......@@ -60,99 +59,60 @@ void VXXJitCode::generate() {
offset += sizeof(float) * YMM_FLOAT_BLOCK;
}
int rest = num_ % YMM_FLOAT_BLOCK;
while (rest > 0) {
int block = XMM_FLOAT_BLOCK;
if (rest >= 4) {
block = 4;
if (scalar_index_ != 1) {
vmovups(xmm_src1, ptr[param1 + offset]);
}
if (scalar_index_ != 2) {
vmovups(xmm_src2, ptr[param2 + offset]);
}
if (type_ == operand_type::mul) {
vmulps(xmm_dst, xmm_src1, xmm_src2);
} else if (type_ == operand_type::add) {
vaddps(xmm_dst, xmm_src1, xmm_src2);
}
if (with_relu_) {
vmaxps(xmm_dst, xmm_zero, xmm_dst);
} else if (rest >= 2) {
block = 2;
if (scalar_index_ != 1) {
vmovq(xmm_src1, ptr[param1 + offset]);
}
vmovups(ptr[param3 + offset], xmm_dst);
offset += sizeof(float) * 4;
rest -= 4;
if (scalar_index_ != 2) {
vmovq(xmm_src2, ptr[param2 + offset]);
}
if (rest >= 2) {
} else {
block = 1;
if (scalar_index_ != 1) {
vmovups(xmm_src1, ptr[param1 + offset]);
vmovss(xmm_src1, ptr[param1 + offset]);
}
if (scalar_index_ != 2) {
vmovups(xmm_src2, ptr[param2 + offset]);
vmovss(xmm_src2, ptr[param2 + offset]);
}
if (type_ == operand_type::mul) {
}
switch (type_) {
case operand_type::mul:
vmulps(xmm_dst, xmm_src1, xmm_src2);
} else if (type_ == operand_type::add) {
break;
case operand_type::add:
vaddps(xmm_dst, xmm_src1, xmm_src2);
break;
default:
break;
}
if (with_relu_) {
vmaxps(xmm_dst, xmm_zero, xmm_dst);
}
if (rest >= 4) {
vmovups(ptr[param3 + offset], xmm_dst);
} else if (rest >= 2) {
vmovq(ptr[param3 + offset], xmm_dst);
offset += sizeof(float) * 2;
rest -= 2;
}
if (rest > 0) {
if (scalar_index_ != 1) {
vmovups(xmm_src1, ptr[param1 + offset]);
}
if (scalar_index_ != 2) {
vmovups(xmm_src2, ptr[param2 + offset]);
}
if (type_ == operand_type::mul) {
vmulss(xmm_dst, xmm_src1, xmm_src2);
} else if (type_ == operand_type::add) {
vaddss(xmm_dst, xmm_src1, xmm_src2);
}
if (with_relu_) {
vmaxps(xmm_dst, xmm_zero, xmm_dst);
}
} else {
vmovss(ptr[param3 + offset], xmm_dst);
}
offset += sizeof(float) * block;
rest -= block;
}
ret();
}
#define ALIGN32 __attribute__((aligned(32)))
#define EXP_HIG 88.3762626647949f
#define EXP_LOW -88.3762626647949f
#define CEPHES_LOG2EF 1.44269504088896341
#define CEPHES_EXP_C1 0.693359375
#define CEPHES_EXP_C2 -2.12194440e-4
#define CEPHES_EXP_P0 1.9875691500E-4
#define CEPHES_EXP_P1 1.3981999507E-3
#define CEPHES_EXP_P2 8.3334519073E-3
#define CEPHES_EXP_P3 4.1665795894E-2
#define CEPHES_EXP_P4 1.6666665459E-1
#define CEPHES_EXP_P5 5.0000001201E-1
#define REPEAT_8TIMES(val) val, val, val, val, val, val, val, val
#define OFFSET_EXP_ONE 0 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_TWO 1 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_0P5 2 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_HIG 3 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_LOW 4 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_LOG2EF 5 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_C1 6 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_C2 7 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P0 8 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P1 9 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P2 10 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P3 11 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P4 12 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P5 13 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_MAX_INPUT 14 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_SIGMOID_MAX 15 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_SIGMOID_MIN 16 * YMM_FLOAT_BLOCK * sizeof(float)
static const float exp_float_consts[] ALIGN32 = {
REPEAT_8TIMES(1.f),
const float exp_float_consts[] ALIGN32 = {REPEAT_8TIMES(1.f),
REPEAT_8TIMES(2.f),
REPEAT_8TIMES(0.5f),
REPEAT_8TIMES(EXP_HIG),
......@@ -170,147 +130,12 @@ static const float exp_float_consts[] ALIGN32 = {
REPEAT_8TIMES(SIGMOID_THRESHOLD_MAX),
REPEAT_8TIMES(SIGMOID_THRESHOLD_MIN)};
static const int exp_int_0x7f[] ALIGN32 = {REPEAT_8TIMES(0x7f)};
static int g_tmp_mem[16] ALIGN32 = {0};
const int exp_int_0x7f[] ALIGN32 = {REPEAT_8TIMES(0x7f)};
int g_tmp_mem[16] ALIGN32 = {0};
bool VActJitCode::init(int d, operand_type type) {
bool ok = MayIUse(avx);
if (type == operand_type::relu) {
return ok;
} else if (type == operand_type::exp) {
// exp is slower than mkl when d >= 256
return ok && d % 8 == 0 && d < 256;
} else {
// TODO(TJ): support more
return ok && d % 8 == 0;
}
}
void VActJitCode::relu_ymm(ymm_t& ymm_dst, ymm_t& ymm_src, ymm_t& ymm_zero) {
vmaxps(ymm_dst, ymm_zero, ymm_src);
}
void VActJitCode::exp_ymm(ymm_t& ymm_dst, ymm_t& ymm_src, int fx_idx,
int fy_idx, int mask_idx, int tmp_idx) {
assert(ymm_src.getIdx() != ymm_dst.getIdx()); // TODO(TJ): use enfore
// check all idx can not equal
ymm_t ymm_fx = ymm_t(fx_idx);
ymm_t ymm_fy = ymm_t(fy_idx);
ymm_t ymm_mask = ymm_t(mask_idx);
ymm_t ymm_tmp = ymm_t(tmp_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_HIG]);
vminps(ymm_src, ymm_src, ymm_tmp);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_LOW]);
vmaxps(ymm_src, ymm_src, ymm_tmp);
// express exp(x) as exp(g + n*log(2))
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_LOG2EF]);
vmulps(ymm_fx, ymm_src, ymm_tmp);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_0P5]);
vaddps(ymm_fx, ymm_fx, ymm_tmp);
vroundps(ymm_fy, ymm_fx, 0x01);
// if greater, substract 1
vcmpgtps(ymm_mask, ymm_fy, ymm_fx);
vmovaps(ymm_tmp, ptr[reg_ptr_global]);
vandps(ymm_mask, ymm_mask, ymm_tmp);
vsubps(ymm_fx, ymm_fy, ymm_mask);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_C1]);
vmulps(ymm_fy, ymm_fx, ymm_tmp);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_C2]);
ymm_t ymm_z = ymm_t(ymm_mask.getIdx());
vmulps(ymm_z, ymm_fx, ymm_tmp);
vsubps(ymm_src, ymm_src, ymm_fy);
vsubps(ymm_src, ymm_src, ymm_z);
vmulps(ymm_z, ymm_src, ymm_src);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_P0]);
vmulps(ymm_dst, ymm_src, ymm_tmp);
for (size_t i = OFFSET_EXP_P1; i < OFFSET_EXP_P5;
i += (YMM_FLOAT_BLOCK * sizeof(float))) {
vmovaps(ymm_tmp, ptr[reg_ptr_global + i]); // P1~P4
vaddps(ymm_dst, ymm_dst, ymm_tmp);
vmulps(ymm_dst, ymm_dst, ymm_src);
}
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_P5]);
vaddps(ymm_dst, ymm_dst, ymm_tmp);
vmulps(ymm_dst, ymm_dst, ymm_z);
vaddps(ymm_dst, ymm_dst, ymm_src);
vmovaps(ymm_tmp, ptr[reg_ptr_global]);
vaddps(ymm_dst, ymm_dst, ymm_tmp);
// build 2^n
ymm_t ymm_int = ymm_fx;
vcvttps2dq(ymm_int, ymm_fx);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_int_0x7f));
vmovdqa(ymm_tmp, ptr[reg_ptr_global]);
if (MayIUse(avx2)) {
vpaddd(ymm_int, ymm_int, ymm_tmp);
vpslld(ymm_int, ymm_int, 23);
} else if (MayIUse(avx)) {
xmm_t xtmp1 = xmm_t(ymm_int.getIdx());
xmm_t xtmp2 = xmm_t(ymm_tmp.getIdx());
reg64_t reg_ptr_tmp = reg_ptr_global;
mov(reg_ptr_tmp, reinterpret_cast<size_t>(g_tmp_mem));
vmovdqa(ptr[reg_ptr_tmp], ymm_int);
vmovdqa(ptr[reg_ptr_tmp + YMM_FLOAT_BLOCK * sizeof(float)], ymm_tmp);
vpaddd(xtmp1, xtmp1, xtmp2);
vpslld(xtmp1, xtmp1, 23);
vmovdqa(ptr[reg_ptr_tmp], xtmp1);
// next 128bits
vmovdqa(xtmp1, ptr[reg_ptr_tmp + 4 /*xmm float block*/ * sizeof(float)]);
vmovdqa(xtmp2,
ptr[reg_ptr_tmp +
(YMM_FLOAT_BLOCK + 4 /*xmm float block*/) * sizeof(float)]);
vpaddd(xtmp1, xtmp1, xtmp2);
vpslld(xtmp1, xtmp1, 23);
vmovdqa(ptr[reg_ptr_tmp + 4 /*xmm float block*/ * sizeof(float)], xtmp1);
// load out
vmovdqa(ymm_int, ptr[reg_ptr_tmp]);
}
vmulps(ymm_dst, ymm_dst, ymm_int);
pop(reg_ptr_global);
}
void VActJitCode::sigmoid_ymm(ymm_t& ymm_dst, ymm_t& ymm_src, int fx_idx,
int fy_idx, int mask_idx, int tmp_idx) {
// y = 1 / (1 + e^-x)
ymm_t ymm_tmp = ymm_t(tmp_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_SIGMOID_MAX]);
vminps(ymm_src, ymm_src, ymm_tmp);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_SIGMOID_MIN]);
vmaxps(ymm_src, ymm_src, ymm_tmp);
vxorps(ymm_tmp, ymm_tmp, ymm_tmp);
vsubps(ymm_src, ymm_tmp, ymm_src);
exp_ymm(ymm_dst, ymm_src, fx_idx, fy_idx, mask_idx, tmp_idx);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vaddps(ymm_dst, ymm_dst, ymm_tmp);
vdivps(ymm_dst, ymm_tmp, ymm_dst);
pop(reg_ptr_global);
}
void VActJitCode::tanh_ymm(ymm_t& ymm_dst, ymm_t& ymm_src, int fx_idx,
int fy_idx, int mask_idx, int tmp_idx) {
// y = 2 / (1 + e^(-2x)) - 1
ymm_t ymm_tmp = ymm_t(tmp_idx);
ymm_t ymm_zero = ymm_t(mask_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_TWO]);
vxorps(ymm_zero, ymm_zero, ymm_zero);
vsubps(ymm_tmp, ymm_zero, ymm_tmp);
vmulps(ymm_src, ymm_src, ymm_tmp);
exp_ymm(ymm_dst, ymm_src, fx_idx, fy_idx, mask_idx, tmp_idx);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vaddps(ymm_dst, ymm_dst, ymm_tmp);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_TWO]);
vdivps(ymm_dst, ymm_tmp, ymm_dst);
vmovaps(ymm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vsubps(ymm_dst, ymm_dst, ymm_tmp);
pop(reg_ptr_global);
// TODO(TJ): implement avx512, avx_exp is slower than mkl when d >= 256
return MayIUse(avx);
}
void VActJitCode::generate() {
......@@ -324,16 +149,16 @@ void VActJitCode::generate() {
vmovups(ymm_src, ptr[param1 + offset]);
switch (type_) {
case operand_type::relu:
relu_ymm(ymm_dst, ymm_src, ymm_zero);
relu_jmm<ymm_t>(ymm_dst, ymm_src, ymm_zero);
break;
case operand_type::exp:
exp_ymm(ymm_dst, ymm_src, 2, 3, 4, 5);
exp_jmm<ymm_t>(ymm_dst, ymm_src, 2, 3, 4, 5);
break;
case operand_type::sigmoid:
sigmoid_ymm(ymm_dst, ymm_src, 2, 3, 4, 5);
sigmoid_jmm<ymm_t>(ymm_dst, ymm_src, 2, 3, 4, 5);
break;
case operand_type::tanh:
tanh_ymm(ymm_dst, ymm_src, 2, 3, 4, 5);
tanh_jmm<ymm_t>(ymm_dst, ymm_src, 2, 3, 4, 5);
break;
case operand_type::identity:
break;
......@@ -343,31 +168,45 @@ void VActJitCode::generate() {
vmovups(ptr[param2 + offset], ymm_dst);
offset += sizeof(float) * YMM_FLOAT_BLOCK;
}
if (type_ != operand_type::relu) {
// TODO(TJ): remove me
ret();
return;
}
int rest = num_ % YMM_FLOAT_BLOCK;
while (rest > 0) {
int block = XMM_FLOAT_BLOCK;
if (rest >= 4) {
block = 4;
vmovups(xmm_src, ptr[param1 + offset]);
vmaxps(xmm_dst, xmm_zero, xmm_src);
vmovups(ptr[param2 + offset], xmm_dst);
offset += sizeof(float) * 4;
rest -= 4;
} else if (rest >= 2) {
block = 2;
vmovq(xmm_src, ptr[param1 + offset]);
} else {
block = 1;
vmovss(xmm_src, ptr[param1 + offset]);
}
if (rest >= 2) {
vmovups(xmm_src, ptr[param1 + offset]);
vmaxps(xmm_dst, xmm_zero, xmm_src);
vmovq(ptr[param2 + offset], xmm_dst);
offset += sizeof(float) * 2;
rest -= 2;
switch (type_) {
case operand_type::relu:
relu_jmm<xmm_t>(xmm_dst, xmm_src, xmm_zero);
break;
case operand_type::exp:
exp_jmm<xmm_t>(xmm_dst, xmm_src, 2, 3, 4, 5);
break;
case operand_type::sigmoid:
sigmoid_jmm<xmm_t>(xmm_dst, xmm_src, 2, 3, 4, 5);
break;
case operand_type::tanh:
tanh_jmm<xmm_t>(xmm_dst, xmm_src, 2, 3, 4, 5);
break;
default:
break;
}
if (rest > 0) {
vmovups(xmm_src, ptr[param1 + offset]);
vmaxps(xmm_dst, xmm_zero, xmm_src);
if (rest >= 4) {
vmovups(ptr[param2 + offset], xmm_dst);
} else if (rest >= 2) {
vmovq(ptr[param2 + offset], xmm_dst);
} else {
vmovss(ptr[param2 + offset], xmm_dst);
}
offset += sizeof(float) * block;
rest -= block;
}
ret();
}
......
paddle/fluid/operators/math/jit_code.h
浏览文件 @ 7aa3aff3
......@@ -16,6 +16,8 @@ limitations under the License. */
#include <string>
#include "paddle/fluid/operators/math/jit_gen.h"
#include "paddle/fluid/platform/cpu_info.h"
namespace paddle {
namespace operators {
namespace math {
......@@ -40,6 +42,51 @@ typedef enum {
identity
} operand_type;
extern const float exp_float_consts[];
extern const int exp_int_0x7f[];
extern int g_tmp_mem[];
// TODO(TJ): move these to some proper place
#define SIGMOID_THRESHOLD_MIN -40.0
#define SIGMOID_THRESHOLD_MAX 13.0
#define EXP_MAX_INPUT 40.0
#define XMM_FLOAT_BLOCK 4
#define YMM_FLOAT_BLOCK 8
#define ZMM_FLOAT_BLOCK 16
#define ALIGN32 __attribute__((aligned(32)))
#define EXP_HIG 88.3762626647949f
#define EXP_LOW -88.3762626647949f
#define CEPHES_LOG2EF 1.44269504088896341
#define CEPHES_EXP_C1 0.693359375
#define CEPHES_EXP_C2 -2.12194440e-4
#define CEPHES_EXP_P0 1.9875691500E-4
#define CEPHES_EXP_P1 1.3981999507E-3
#define CEPHES_EXP_P2 8.3334519073E-3
#define CEPHES_EXP_P3 4.1665795894E-2
#define CEPHES_EXP_P4 1.6666665459E-1
#define CEPHES_EXP_P5 5.0000001201E-1
#define REPEAT_8TIMES(val) val, val, val, val, val, val, val, val
#define OFFSET_EXP_ONE 0 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_TWO 1 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_0P5 2 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_HIG 3 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_LOW 4 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_LOG2EF 5 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_C1 6 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_C2 7 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P0 8 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P1 9 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P2 10 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P3 11 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P4 12 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_P5 13 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_EXP_MAX_INPUT 14 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_SIGMOID_MAX 15 * YMM_FLOAT_BLOCK * sizeof(float)
#define OFFSET_SIGMOID_MIN 16 * YMM_FLOAT_BLOCK * sizeof(float)
// function: vec = Operand(vec(or scalar), vec(or scalar)) (maybe with relu)
class VXXJitCode : public JitCode {
public:
......@@ -127,21 +174,140 @@ class VActJitCode : public JitCode {
void generate() override;
protected:
// compute relu with ymm
void relu_ymm(const Xbyak::Ymm& dst, const Xbyak::Ymm& src,
const Xbyak::Ymm& zero);
// compute relu with ymm, xmm
template <typename JMM>
void relu_jmm(JMM& dst, JMM& src, JMM& zero) { // NOLINT
vmaxps(dst, src, zero);
}
// compute exp with ymm
void exp_ymm(const Xbyak::Ymm& dst, const Xbyak::Ymm& src, int fx_idx = 2,
int fy_idx = 3, int mask_idx = 4, int tmp_idx = 5);
// compute exp with ymm, xmm
template <typename JMM>
void exp_jmm(JMM& dst, JMM& src, int fx_idx = 2, int fy_idx = 3, // NOLINT
int mask_idx = 4, int tmp_idx = 5) {
using namespace platform::jit; // NOLINT
assert(src.getIdx() != dst.getIdx()); // TODO(TJ): use enfore
// check all idx can not equal
JMM jmm_fx = JMM(fx_idx);
JMM jmm_fy = JMM(fy_idx);
JMM jmm_mask = JMM(mask_idx);
JMM jmm_tmp = JMM(tmp_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_HIG]);
vminps(src, src, jmm_tmp);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_LOW]);
vmaxps(src, src, jmm_tmp);
// express exp(x) as exp(g + n*log(2))
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_LOG2EF]);
vmulps(jmm_fx, src, jmm_tmp);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_0P5]);
vaddps(jmm_fx, jmm_fx, jmm_tmp);
vroundps(jmm_fy, jmm_fx, 0x01);
// if greater, substract 1
vcmpgtps(jmm_mask, jmm_fy, jmm_fx);
vmovaps(jmm_tmp, ptr[reg_ptr_global]);
vandps(jmm_mask, jmm_mask, jmm_tmp);
vsubps(jmm_fx, jmm_fy, jmm_mask);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_C1]);
vmulps(jmm_fy, jmm_fx, jmm_tmp);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_C2]);
JMM ymm_z = JMM(jmm_mask.getIdx());
vmulps(ymm_z, jmm_fx, jmm_tmp);
vsubps(src, src, jmm_fy);
vsubps(src, src, ymm_z);
vmulps(ymm_z, src, src);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_P0]);
vmulps(dst, src, jmm_tmp);
for (size_t i = OFFSET_EXP_P1; i < OFFSET_EXP_P5;
i += (YMM_FLOAT_BLOCK * sizeof(float))) {
vmovaps(jmm_tmp, ptr[reg_ptr_global + i]); // P1~P4
vaddps(dst, dst, jmm_tmp);
vmulps(dst, dst, src);
}
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_P5]);
vaddps(dst, dst, jmm_tmp);
vmulps(dst, dst, ymm_z);
vaddps(dst, dst, src);
vmovaps(jmm_tmp, ptr[reg_ptr_global]);
vaddps(dst, dst, jmm_tmp);
// build 2^n
JMM ymm_int = jmm_fx;
vcvttps2dq(ymm_int, jmm_fx);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_int_0x7f));
vmovdqa(jmm_tmp, ptr[reg_ptr_global]);
if (MayIUse(avx2) || std::is_same<JMM, xmm_t>::value) {
vpaddd(ymm_int, ymm_int, jmm_tmp);
vpslld(ymm_int, ymm_int, 23);
} else if (MayIUse(avx)) {
xmm_t xtmp1 = xmm_t(ymm_int.getIdx());
xmm_t xtmp2 = xmm_t(jmm_tmp.getIdx());
reg64_t reg_ptr_tmp = reg_ptr_global;
mov(reg_ptr_tmp, reinterpret_cast<size_t>(g_tmp_mem));
vmovdqa(ptr[reg_ptr_tmp], ymm_int);
vmovdqa(ptr[reg_ptr_tmp + YMM_FLOAT_BLOCK * sizeof(float)], jmm_tmp);
vpaddd(xtmp1, xtmp1, xtmp2);
vpslld(xtmp1, xtmp1, 23);
vmovdqa(ptr[reg_ptr_tmp], xtmp1);
// next 128bits
vmovdqa(xtmp1, ptr[reg_ptr_tmp + XMM_FLOAT_BLOCK * sizeof(float)]);
vmovdqa(xtmp2, ptr[reg_ptr_tmp +
(YMM_FLOAT_BLOCK + XMM_FLOAT_BLOCK) * sizeof(float)]);
vpaddd(xtmp1, xtmp1, xtmp2);
vpslld(xtmp1, xtmp1, 23);
vmovdqa(ptr[reg_ptr_tmp + XMM_FLOAT_BLOCK * sizeof(float)], xtmp1);
// load out
vmovdqa(ymm_int, ptr[reg_ptr_tmp]);
}
vmulps(dst, dst, ymm_int);
pop(reg_ptr_global);
}
// compute sigmoid with ymm
void sigmoid_ymm(const Xbyak::Ymm& dst, const Xbyak::Ymm& src, int fx_idx = 2,
int fy_idx = 3, int mask_idx = 4, int tmp_idx = 5);
// compute sigmoid with ymm, xmm
template <typename JMM>
void sigmoid_jmm(JMM& dst, JMM& src, int fx_idx = 2, // NOLINT
int fy_idx = 3, int mask_idx = 4, int tmp_idx = 5) {
// y = 1 / (1 + e^-x)
JMM jmm_tmp = JMM(tmp_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_SIGMOID_MAX]);
vminps(src, src, jmm_tmp);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_SIGMOID_MIN]);
vmaxps(src, src, jmm_tmp);
vxorps(jmm_tmp, jmm_tmp, jmm_tmp);
vsubps(src, jmm_tmp, src);
exp_jmm<JMM>(dst, src, fx_idx, fy_idx, mask_idx, tmp_idx);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vaddps(dst, dst, jmm_tmp);
vdivps(dst, jmm_tmp, dst);
pop(reg_ptr_global);
}
// compute tanh with ymm
void tanh_ymm(const Xbyak::Ymm& dst, const Xbyak::Ymm& src, int fx_idx = 2,
int fy_idx = 3, int mask_idx = 4, int tmp_idx = 5);
// compute tanh with ymm, xmm
template <typename JMM>
void tanh_jmm(JMM& dst, JMM& src, int fx_idx = 2, int fy_idx = 3, // NOLINT
int mask_idx = 4, int tmp_idx = 5) {
// y = 2 / (1 + e^(-2x)) - 1
JMM jmm_tmp = JMM(tmp_idx);
JMM jmm_zero = JMM(mask_idx);
reg64_t reg_ptr_global = rax;
push(reg_ptr_global);
mov(reg_ptr_global, reinterpret_cast<size_t>(exp_float_consts));
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_TWO]);
vxorps(jmm_zero, jmm_zero, jmm_zero);
vsubps(jmm_tmp, jmm_zero, jmm_tmp);
vmulps(src, src, jmm_tmp);
exp_jmm<JMM>(dst, src, fx_idx, fy_idx, mask_idx, tmp_idx);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vaddps(dst, dst, jmm_tmp);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_TWO]);
vdivps(dst, jmm_tmp, dst);
vmovaps(jmm_tmp, ptr[reg_ptr_global + OFFSET_EXP_ONE]);
vsubps(dst, dst, jmm_tmp);
pop(reg_ptr_global);
}
protected:
int num_;
......
paddle/fluid/operators/math/jit_kernel.h
浏览文件 @ 7aa3aff3
......@@ -26,6 +26,7 @@ namespace operators {
namespace math {
namespace jitkernel {
// TODO(TJ): move these to some proper place
#define SIGMOID_THRESHOLD_MIN -40.0
#define SIGMOID_THRESHOLD_MAX 13.0
#define EXP_MAX_INPUT 40.0
......
paddle/fluid/operators/math/jit_kernel_test.cc
浏览文件 @ 7aa3aff3
......@@ -33,6 +33,9 @@ limitations under the License. */
constexpr int repeat = 20000;
// TODO(TJ): benchmark and test should be seperated,
// benchmark should verify more sizes
inline double GetCurrentUS() {
struct timeval time;
gettimeofday(&time, NULL);
......@@ -66,7 +69,7 @@ void vrelu_intri8(const int n, const float* x, float* y) {
TEST(JitKernel, vrelu) {
namespace jit = paddle::operators::math::jitkernel;
for (int d : {7, 8, 15, 16, 30, 256, 512}) {
for (int d : {3, 7, 8, 15, 16, 30, 256, 512}) {
std::vector<float> x(d);
std::vector<float> zref(d), ztgt(d);
RandomVec<float>(d, x.data(), -10.f, 1.f);
......@@ -156,7 +159,7 @@ void vexp_mkl(const int n, const float* x, float* y) {
TEST(JitKernel, vexp) {
namespace jit = paddle::operators::math::jitkernel;
for (int d : {7, 8, 15, 16, 30, 128, 256}) {
for (int d : {1, 3, 4, 6, 7, 8, 12, 15, 16, 20, 30, 128, 256}) {
std::vector<float> x(d);
std::vector<float> zref(d), ztgt(d);
RandomVec<float>(d, x.data(), -2.f, 2.f);
......@@ -231,7 +234,7 @@ void vsigmoid_better(
TEST(JitKernel, vsigmoid) {
namespace jit = paddle::operators::math::jitkernel;
for (int d : {7, 8, 15, 16, 30, 32, 64, 100, 128, 256}) {
for (int d : {1, 3, 4, 6, 7, 8, 15, 16, 30, 32, 64, 100, 128, 256}) {
std::vector<float> x(d);
std::vector<float> zref(d), ztgt(d);
RandomVec<float>(d, x.data(), -2.f, 2.f);
......@@ -295,7 +298,7 @@ void vtanh_better(
TEST(JitKernel, vtanh) {
namespace jit = paddle::operators::math::jitkernel;
for (int d : {7, 8, 15, 16, 30, 32, 64, 100, 128, 256}) {
for (int d : {1, 2, 3, 4, 5, 6, 7, 8, 15, 16, 30, 32, 64, 100, 128, 256}) {
std::vector<float> x(d);
std::vector<float> zref(d), ztgt(d);
RandomVec<float>(d, x.data(), -2.f, 2.f);
......@@ -386,7 +389,7 @@ void lstm_ctht_better(
TEST(JitKernel, lstm) {
namespace jit = paddle::operators::math::jitkernel;
for (int d : {7, 8, 15, 16, 30, 32, 64, 100}) {
for (int d : {1, 2, 3, 4, 5, 6, 7, 8, 15, 16, 30, 32, 64, 100}) {
int d4 = d * 4;
int d3 = d * 3;
std::vector<float> x(d4), xref(d4);
......@@ -759,7 +762,7 @@ TEST(JitKernel, vaddrelu) {
float* zref_data = zref.data();
auto trefs = GetCurrentUS();
for (int i = 0; i < repeat; ++i) {
vadd_ref(d, x_data, y_data, zref_data);
vaddrelu_ref(d, x_data, y_data, zref_data);
}
auto trefe = GetCurrentUS();
auto tmkls = GetCurrentUS();
......
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