阅读说明：本技术 一种数据传输方法及相关装置 (A kind of data transmission method and relevant apparatus ) 是由 王峰 于 2019-08-30 设计创作，主要内容包括：本申请公开了一种数据传输方法,包括接收从模块发送的准备接收数据信号并根据接收到的准备接收数据信号确定准备接收数据的从模块的个数；若准备接收数据的从模块的个数为一个,则依次发送准备接收数据的从模块对应的传输通道编号以及数据,以使从模块识别对应的传输通道编号并接收对应的数据；若准备接收数据的从模块的个数为多个,则交替发送各准备接收数据的从模块对应的传输通道编号与对应的数据,以使各从模块识别对应的传输通道编码并接收对应的数据。该方法可有效简化线路并实现主模块与从模块间一对多的数据传输,利于加速卡的发展。本申请还公开了一种数据传输装置、加速卡以及计算机可读存储介质,均具有上述技术效果。(This application discloses a kind of data transmission methods, and the number of the determining slave module for preparing to receive data of data-signal is received including receiving the preparation reception data-signal sent from module and according to the preparation received；If the number for preparing to receive the slave module of data is one, the corresponding transmission channel number of the slave module for preparing to receive data and data are successively sent, so as to number from the corresponding transmission channel of module identification and receive corresponding data；If the number for preparing to receive the slave module of data be it is multiple, each slave module corresponding transmission channel number for preparing to receive data and corresponding data are alternately sent, so as to respectively encode from the corresponding transmission channel of module identification and receive corresponding data.This method can effectively simplify route and realize that main module is transmitted with from the one-to-many data of intermodule, conducive to the development of accelerator card.Disclosed herein as well is a kind of data transmission device, accelerator card and computer readable storage mediums, all have above-mentioned technical effect.)

1. a kind of data transmission method characterized by comprising

It receives the preparation reception data-signal sent from module and data-signal is received according to the preparation received and determine standard The standby number from module for receiving data；

If prepare receive data it is described from the number of module be one, successively send it is described prepare receive data it is described from The corresponding transmission channel number of module and data, so that described number and receive from the corresponding transmission channel of module identification The corresponding data；

If prepare receive data it is described from the number of module be it is multiple, alternately send it is each prepare receive data it is described from mould The corresponding transmission channel number of block and the corresponding data described are led to so that each from the corresponding transmission of module identification Road encodes and receives the corresponding data.

2. data transmission method according to claim 1, which is characterized in that the alternating sends each preparation and receives data It is described from the corresponding transmission channel number of module and the corresponding data, comprising:

Alternating sends each preparation and receives the described from the corresponding transmission channel number of module and the corresponding data of data Whole bytes.

3. data transmission method according to claim 2, which is characterized in that the alternating sends each preparation and receives data It is described from the corresponding transmission channel number of module and the corresponding data, comprising:

Alternating sends each preparation and receives the described from the corresponding transmission channel number of module and the corresponding data of data Partial bytes, and recycle the alternating and send and each prepare to receive the described from the corresponding transmission channel number of module of data With the operation of the partial bytes of the corresponding data, until will be each described from all transmissions of the corresponding data of module.

4. data transmission method according to claim 3, which is characterized in that further include:

After receiving the stopping reception data-signal sent from module, suspend described from module to described from module transmission The corresponding data.

5. data transmission method according to claim 4, which is characterized in that it is low level that the preparation, which receives data-signal, Signal, it is high level signal that the stopping, which receives data-signal,.

6. a kind of data transmission device characterized by comprising

Receiving module receives number for receiving the preparation that the preparation sent from module receives data-signal and basis receives It is believed that number determining number from module for preparing to receive data；

First sending module, if for prepare receive data described in from the number of module be one, successively send the standard It is standby to receive the described from the corresponding transmission channel number of module and data of data, so that described corresponding described from module identification Transmission channel numbers and receives the corresponding data；

Second sending module, if for prepare to receive described in data from the number of module be it is multiple, alternately send each preparation The described from the corresponding transmission channel number of module and the corresponding data of data is received, so that each described from module knowledge The not corresponding transmission channel encodes and receives the corresponding data.

7. data transmission device according to claim 6, which is characterized in that second sending module is specifically used for alternating It sends each preparation and receives the described from the corresponding transmission channel number of module and whole words of the corresponding data of data Section.

8. data transmission device according to claim 6, which is characterized in that second sending module is specifically used for alternating It sends each preparation and receives the described from the corresponding transmission channel number of module and the partial words of the corresponding data of data Section, and recycle the alternating send it is each prepare to receive data it is described from the corresponding transmission channel number of module with it is corresponding The operation of the partial bytes of the data, until by each described from all transmissions of the corresponding data of module.

9. a kind of accelerator card characterized by comprising

Memory, for storing computer program；

Processor realizes such as data transmission method described in any one of claim 1 to 5 when for executing the computer program The step of.

10. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer journey Sequence realizes the step such as data transmission method described in any one of claim 1 to 5 when the computer program is executed by processor Suddenly.

Technical field

This application involves field of computer technology, in particular to a kind of data transmission method；Further relate to a kind of data transmission Device, accelerator card and computer readable storage medium.

Background technique

As isomery accelerates increasingly extensive application, based on FPGA, (Field Programmable Gate Array shows Field programmable and gate array) accelerator card also rapidly developed.Accelerator card is connect by PCIE interface with server main module, Server main module will need the data accelerated to be sent to accelerator card by PCIE interface, pass through PCIE after the completion of accelerator card processing Interface returns to relevant data.In the process, there is mass data transmission between each module inside accelerator card.It is simple between each module Single increase for efficiently carrying out data transmission and capableing of flexibility and changeability or the relevant functional module connection of reduction increasingly become The focus of accelerator card development.Currently, existing Avalon-ST data transfer mode is a kind of fairly simple efficient direct Stream transmission mode, Avalon, which spreads defeated (Avalon-ST) interface, can be used by the user to data communication interface as each component, The interface has the characteristics that high bandwidth, low delay and non-bidirectional.Typical applications include multiple data stream, data packet and DSP number According to transmission.However, Avalon-ST data transmission method is with signal wire, more, Avalon-ST interface can only be one-to-one biography It is defeated, and one-to-many cannot transmit, so that the development to accelerator card generates certain restriction.

Therefore, how to simplify route and realize that main module is transmitted with from the one-to-many data of intermodule, in favor of accelerator card Development have become those skilled in the art's technical problem urgently to be resolved.

Summary of the invention

The purpose of the application is to provide a kind of data transmission method, can effectively simplify route and realize main module with from mould One-to-many data transmission between block, conducive to the development of accelerator card；The another object of the application be to provide a kind of data transmission device, Accelerator card and computer readable storage medium all have above-mentioned technical effect.

In order to solve the above technical problems, this application provides a kind of data transmission methods, comprising:

The preparation reception data-signal that the preparation that reception is sent from module receives data-signal and basis receives is true Fix the standby number from module for receiving data；

If prepare receive data it is described from the number of module be one, successively send it is described prepare receive data institute It states from the corresponding transmission channel number of module and data, so that described number simultaneously from the corresponding transmission channel of module identification Receive the corresponding data；

If prepare receive data it is described from the number of module be it is multiple, alternately send it is each prepare receive data it is described From the corresponding transmission channel number of module and the corresponding data, so that each described from the corresponding biography of module identification Defeated channel coding simultaneously receives the corresponding data.

Optionally, the alternating send it is each prepare to receive data it is described from the corresponding transmission channel number of module with The corresponding data, comprising:

Alternating send it is each prepare to receive data it is described from the corresponding transmission channel number of module with it is corresponding described Whole bytes of data.

Optionally, the alternating send it is each prepare to receive data it is described from the corresponding transmission channel number of module with The corresponding data, comprising:

Alternating send it is each prepare to receive data it is described from the corresponding transmission channel number of module with it is corresponding described The partial bytes of data, and recycle the alternating and send the described from the corresponding transmission channel of module of each preparation reception data Number and the operation of the partial bytes of the corresponding data, until will be each described from the corresponding data whole hair of module It send.

Optionally, further includes:

After receiving the stopping sent from module and receiving data-signal, suspend to it is described from module send it is described from The corresponding data of module.

Optionally, it is low level signal that the preparation, which receives data-signal, and it is high level that the stopping, which receives data-signal, Signal.

In order to solve the above technical problems, present invention also provides a kind of data transmission devices, comprising:

Receiving module connects for receiving the preparation that the preparation sent from module receives data-signal and basis receives It receives data-signal and determines the number from module for preparing to receive data；

First sending module, if for prepare receive data described in from the number of module be one, successively send institute It states and prepares to receive the described from the corresponding transmission channel number of module and data of data, so that described corresponding from module identification The transmission channel numbers and receives the corresponding data；

Second sending module, if for prepare to receive described in data from the number of module be it is multiple, alternately send each Prepare to receive the described from the corresponding transmission channel number of module and the corresponding data of data, so that each described from mould Block identifies that the corresponding transmission channel encodes and receives the corresponding data.

Optionally, second sending module is specifically used for alternately sending the described corresponding from module of each preparation reception data The transmission channel number and whole bytes of the corresponding data.

Optionally, second sending module is specifically used for alternately sending the described corresponding from module of each preparation reception data Transmission channel number and the partial bytes of the corresponding data, and recycle the alternating and send each preparation reception data It is described from the corresponding transmission channel number of module and the operation of the partial bytes of the corresponding data, up to by each institute It states and is all sent from the corresponding data of module.

In order to solve the above technical problems, present invention also provides a kind of accelerator cards, comprising:

Memory, for storing computer program；

Processor, the step of data transmission method as described above is realized when for executing the computer program.

In order to solve the above technical problems, the computer can present invention also provides a kind of computer readable storage medium It reads storage medium and is stored with computer program, the computer program realizes data transmission as described above when being executed by processor The step of method.

Data transmission method provided herein receives data-signal and basis including receiving the preparation sent from module The preparation received receives data-signal and determines the number from module for preparing to receive data；If preparing to receive data It is described from the number of module be one, then successively send it is described prepare receive data it is described from the corresponding transmission channel of module Number and data, so that described number from the corresponding transmission channel of module identification and receive the corresponding data；If Prepare to receive data it is described from the number of module be it is multiple, then alternately send and each prepare to receive the described corresponding from module of data Transmission channel number and the corresponding data described encoded from the corresponding transmission channel of module identification so that each And receive the corresponding data.

As it can be seen that data transmission method provided herein, main module and respectively from only passing through a data wire between module It is connected, sends data using this data line, in addition, be respectively only connected respectively by a signal wire with main module from module, thus Effectively simplify route.In addition, main module is carried out data transmission by the way of sending transmission channel number and data, respectively It need to only identify that itself corresponding transmission channel is numbered and received after the transmission channel is numbered from the corresponding number of module itself from module According to, and the data after self transmission channel number do not receive then for not being, thus effectively realize main module with from module it Between one-to-many data transmission.

Data transmission device, accelerator card and computer readable storage medium provided herein, all has above-mentioned skill Art effect.

Detailed description of the invention

It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings Obtain other attached drawings.

Fig. 1 is a kind of flow diagram of data transmission method provided by the embodiment of the present application；

Fig. 2 is a kind of data transmission scene schematic diagram provided by the embodiment of the present application；

Fig. 3 is a kind of single-channel data transfers schematic diagram provided by the embodiment of the present application；

Fig. 4 is a kind of multi-channel data transmission schematic diagram provided by the embodiment of the present application；

Fig. 5 is another kind multi-channel data transmission schematic diagram provided by the embodiment of the present application；

Fig. 6 is another multi-channel data transmission schematic diagram provided by the embodiment of the present application.

Specific embodiment

The core of the application is to provide a kind of data transmission method, can effectively simplify route and realize main module with from mould One-to-many data transmission between block, conducive to the development of accelerator card；Another core of the application be to provide a kind of data transmission device, Accelerator card and computer readable storage medium all have above-mentioned technical effect.

To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.

Referring to FIG. 1, Fig. 1 is a kind of flow diagram of data transmission method provided by the embodiment of the present application；With reference to Shown in Fig. 1, which includes:

S101: receiving the preparation reception data-signal sent from module and it is true to receive data-signal according to the preparation received Fix the number of the standby slave module for receiving data；

Specifically, refering to what is shown in Fig. 2, each inside main module and accelerator card inside master, that is, accelerator card is from module It is connected between slave by a data line, main module can send data flow to from module by the data line.Respectively from module point Not Tong Guo a signal wire be connected with main module, when from module be ready to receive data when, corresponding signal can be passed through from module Line is sent to main module to be prepared to receive data-signal.Main module receive from module send preparation receive data-signal after, It can determine which is ready to receive data from module according to reception data-signal is prepared.Wherein, in a kind of specific embodiment party In formula, it is low level signal that above-mentioned preparation, which receives data-signal,.

S102: if the number for preparing to receive the slave module of data is one, the slave mould for preparing to receive data is successively sent The corresponding transmission channel number of block and data, so as to be numbered from the corresponding transmission channel of module identification and receive corresponding number According to；

Specifically, main module only sends a biography at this time when getting out receive the number of slave module of data is one Defeated channel number and corresponding data.Specifically, main module data line first (9 position datawires, highest order are flag bit, Indicate that current data indicate beginning, channel, data or end) a transmission opening flag is sent, and then send the standard It gets the corresponding transmission channel number of slave module for receiving data ready, and sends data after sending transmission channel number.The preparation Terminate number of the slave module of data after identifying itself corresponding transmission channel number, after receiving this transmission channel number well According to.Further, main module sends an end of transmission mark after having sent data.

With reference to single-channel data transfers schematic diagram shown in Fig. 3, to be ready to receive data from module 1 i.e. slave1 to be Example is Channel_0 from the corresponding transmission channel of module 1 number.Then, main module sends a transmission opening flag first SOP, and then conventional channels number Channel_0 is sent, and further after sending conventional channels number Channel_0, it sends From the corresponding data Data_ch0 of module 1, and after having sent data Data_ch0, an end of transmission mark is finally sent EOP.To, after itself corresponding conventional channels number Channel_0 of the identification of module 1, reception data Data_ch0, and other Slave module do not receive this data Data_ch0 then.

S103: if prepare receive data slave module number be it is multiple, alternately send it is each prepare receive data from Module corresponding transmission channel number and corresponding data, so as to respectively encode and receive pair from the corresponding transmission channel of module identification The data answered.

Specifically, (two and two or more), main module when getting out receive the number of slave module of data and being multiple The transmission channel number and corresponding data of respective numbers are sent at this time.Specifically, main module sends a transmission first Opening flag, and then alternately send each corresponding transmission channel number of slave module and data for preparing to receive data.Transmission channel Number and the data after this transmission channel number are same number from the corresponding transmission channel of module and data.Main module is logical Cross the transmission opening flag of data line transmission, each transmission channel is numbered, data can reach the respectively data-interface from module.Transmission Channel number reaches respectively after the data-interface of module, and whether respectively identify that the transmission channel is numbered first from module is that itself is corresponded to Transmission channel number, if so, receive this transmission channel number after data, i.e., from the corresponding data of module itself.On the contrary, If transmission channel number is not itself corresponding transmission channel number, the data after this transmission channel is numbered are not received, i.e., Other are from the corresponding data of module.Wherein, it is numbered for the transmission channel for alternately sending the slave module for respectively getting out reception data Tandem, can according to from module send prepare receive data successively etc. conditions determine.

In a kind of specific embodiment, it is logical that above-mentioned alternating sends each corresponding transmission of slave module for preparing to receive data Road number and corresponding data may include alternately send each slave module corresponding transmission channel number for preparing to receive data and Whole bytes of corresponding data.

Specifically, main module is being sent after the corresponding transmission channel number of module, and main module is sent should in the present embodiment From whole bytes of the corresponding data of module.Refering to what is shown in Fig. 4, be ready to receive data slave module number be two, Respectively from module 1 with for module 2, respectively numbering from the corresponding transmission channel of module is respectively Channel_0, Channel_ 1.After main module sends transmission opening flag, it can send first from the corresponding transmission channel number Channel_0 of module 1, and After sending transmission channel number Channel_0, whole bytes from the corresponding data Data_ch0 of module 1 are sent；And then it is sending out It send after whole bytes of the corresponding data Data_ch0 of module 1, further sends from the corresponding transmission channel of module 2 and number Channel_1, and after sending transmission channel number Channel_1, send the whole from the corresponding data Data_ch1 of module 2 Byte；And sending from module 1 with after the data of module 2, send an end of transmission mark.

In another specific embodiment, above-mentioned alternating sends each corresponding biography of slave module for preparing to receive data Defeated channel number may include alternately sending each corresponding transmission channel of slave module for preparing to receive data to compile with corresponding data Number with the partial bytes of corresponding data, and cycle alternation sends each corresponding transmission channel of slave module for preparing to receive data and compiles Number with the operation of the partial bytes of corresponding data, until respectively will all be sent from the corresponding data of module.

Specifically, main module is being sent after the corresponding transmission channel number of module, and main module is sent should in the present embodiment From the partial bytes of the corresponding data of module, and aforesaid operations are executed by circulation and realize transmission from the complete of module corresponding data Portion's byte.Refering to what is shown in Fig. 5, same, be ready to receive data slave module number for two, respectively from module 1 with It is respectively respectively Channel_0, Channel_1 from the corresponding transmission channel number of module for module 2.Main module, which is sent, to be passed It after defeated opening flag, can send from the corresponding transmission channel number Channel_0 of module 1, and be compiled sending transmission channel first After number Channel_0, a part of byte from the corresponding data Data_ch0 of module 2 is sent.It is sending from the corresponding number of module 1 After a part of byte of Data_ch0, further send from the corresponding transmission channel number Channel_1 of module 2, and sending out After sending transmission channel number Channel_1, a part of byte from the corresponding data Data_ch1 of module 2 is sent.Send from After a part of byte of the corresponding data Data_ch1 of module 2, further sends from the corresponding transmission channel of module 1 and number Channel_0, and after sending transmission channel number Channel_0, it sends from the another of the corresponding data Data_ch0 of module 1 Partial bytes.And send after the another part partial bytes of the corresponding data Data_ch0 of module 1, further send from The corresponding transmission channel number Channel_1 of module 2, and after sending transmission channel number Channel_1, it sends from module 2 The another partial bytes of corresponding data Data_ch1 so recycle, and complete to send respectively from whole words of the corresponding data of module Section, and finally send an end of transmission mark.

Wherein, be not specifically limited for sending number the application of byte every time, can according to the actual application into The setting of row otherness.

Further, further include after receiving the stopping sent from module by corresponding signal wire and receiving data-signal, Suspend and sends to from module from the corresponding data of module.

Specifically, being sent out from module by corresponding signal wire during transmitting data when main module receives some The stopping sent receives after data-signal (can be high level signal), and main module suspends at this time sends this from the corresponding data of module And can transfer to send other from the corresponding data of module, be sent completely other after the corresponding data of module, retransmit this from The corresponding transmission channel number of module and remaining data, and a transmission is respectively sent after the corresponding data of module having sent End mark.

Refering to what is shown in Fig. 6, with main module send from module 1 with from the corresponding data instance of module 2, if in main module transmission After two bytes of the corresponding data Data_ch0 of module 1, main module receives the stopping sent from module 1 and receives data letter Number, at this point, main module stops sending the remainder bytes from the corresponding data Data_ch0 of module 1, then send corresponding from module 2 Transmission channel number Channel_1 and from the corresponding data of module 2, and sending after the corresponding data of module 2, then Send the remainder bytes from 1 corresponding transmission channel Channel_0 and data Data_ch0 of module.

In conclusion data transmission method provided herein, main module and respectively from only passing through a radical between module It is connected according to line, sends data using this data line, in addition, be respectively only connected respectively by a signal wire with main module from module, To effectively simplify route.In addition, main module carries out data biography by the way of sending transmission channel number and data It is defeated, it respectively need to only identify that itself corresponding transmission channel is numbered and corresponded to after receiving transmission channel number from module itself from module Data, and the data after self transmission channel number do not receive then for not being, thus effectively realize main module with from module Between one-to-many data transmission.

Present invention also provides a kind of data transmission device, the device described below can be with method as described above phase Mutually to should refer to, which includes:

Receiving module receives number for receiving the preparation that the preparation sent from module receives data-signal and basis receives It is believed that the number of number determining slave module for preparing to receive data；

First sending module successively sends if the number of the slave module for preparing to receive data is one and prepares to connect The corresponding transmission channel number of slave module and data for receiving data, so as to number and connect from the corresponding transmission channel of module identification Receive corresponding data；

Second sending module, if the number of the slave module for preparing to receive data be it is multiple, alternately send each preparation The slave module corresponding transmission channel numbers of data and corresponding data are received, so that respectively from the corresponding transmission channel of module identification It encodes and receives corresponding data.

On the basis of the above embodiments, as a kind of specific embodiment, the second sending module is specifically used for alternating Each corresponding transmission channel of slave module for preparing to receive data is sent to number and whole bytes of corresponding data.

On the basis of the above embodiments, as a kind of specific embodiment, the second sending module is specifically used for alternating Send the corresponding transmission channel number of each slave module for preparing reception data and the partial bytes of corresponding data, and cycle alternation The corresponding transmission channel number of each slave module for preparing reception data and the operation of the partial bytes of corresponding data are sent, until It respectively will all be sent from the corresponding data of module.

Present invention also provides a kind of accelerator cards, comprising: memory and processor；Wherein, memory is calculated for storing Machine program；Processor is for realizing following step when executing the computer program:

It receives the preparation reception data-signal sent from module and data-signal is received according to the preparation received and determine standard The number of the standby slave module for receiving data；If the number for preparing to receive the slave module of data is one, successively sends and prepare to connect The corresponding transmission channel number of slave module and data for receiving data, so as to number and connect from the corresponding transmission channel of module identification Receive corresponding data；If prepare receive data slave module number be it is multiple, alternately send it is each prepare receive data from Module corresponding transmission channel number and corresponding data, so as to respectively encode and receive pair from the corresponding transmission channel of module identification The data answered.

The embodiment of the above method is please referred to for the introduction of accelerator card provided herein, the application does not do superfluous herein It states.

Present invention also provides a kind of computer readable storage medium, calculating is stored on the computer readable storage medium Machine program, the computer program realize following step when being executed by processor:

It receives the preparation reception data-signal sent from module and data-signal is received according to the preparation received and determine standard The number of the standby slave module for receiving data；If the number for preparing to receive the slave module of data is one, successively sends and prepare to connect The corresponding transmission channel number of slave module and data for receiving data, so as to number and connect from the corresponding transmission channel of module identification Receive corresponding data；If prepare receive data slave module number be it is multiple, alternately send it is each prepare receive data from Module corresponding transmission channel number and corresponding data, so as to respectively encode and receive pair from the corresponding transmission channel of module identification The data answered.

The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit Store up the medium of program code.

Above method embodiment is please referred to for the introduction of computer readable storage medium provided by the present invention, the present invention This will not be repeated here.

Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment, add For speed card and computer readable storage medium, since it is corresponded to the methods disclosed in the examples, so the comparison of description Simply, reference may be made to the description of the method.

Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered Think beyond scope of the present application.

The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable programmable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.

Above to data transmission method provided herein, device, accelerator card and computer readable storage medium into It has gone and has been discussed in detail.Specific examples are used herein to illustrate the principle and implementation manner of the present application, the above implementation The explanation of example is merely used to help understand the present processes and its core concept.It should be pointed out that for the general of the art For logical technical staff, under the premise of not departing from the application principle, can also to the application, some improvement and modification can also be carried out, this A little improvement and modification also fall into the protection scope of the claim of this application.