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1. 发明申请

WO2021005445A1 DATA PLACEMENT IN WRITE CACHE ARCHITECTURE SUPPORTING READ HEAT DATA SEPARATION 审中-公开
公开(公告)号：WO2021005445A1
公开(公告)日：2021-01-14
申请号：PCT/IB2020/056017
申请日：2020-06-25
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： PLETKA, Roman, Alexander , FISHER, Timothy , FRY, Aaron, Daniel , PAPANDREOU, Nikolaos , IOANNOU, Nikolas , TOMIC, Sasa , STOICA, Radu, Ioan , POZIDIS, Charalampos , WALLS, Andrew
IPC分类号： G06F3/06
摘要： A computer-implemented method, according to one approach, includes: receiving write requests, accumulating the write requests in a destage buffer, and determining a current read heat value of each logical page which corresponds to the write requests. Each of the write requests is assigned to a respective write queue based on the current read heat value of each logical page which corresponds to the write requests. Moreover, each of the write queues correspond to a different page stripe which includes physical pages, the physical pages included in each of the respective page stripes being of a same type. Furthermore, data in the write requests is destaged from the write queues to their respective page stripes. Other systems, methods, and computer program products are described in additional approaches.

2. 发明申请

WO2021001725A1 BLOCK MODE TOGGLING IN DATA STORAGE SYSTEM 审中-公开
公开(公告)号：WO2021001725A1
公开(公告)日：2021-01-07
申请号：PCT/IB2020/055914
申请日：2020-06-23
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： PLETKA, Roman, Alexander , FRY, Aaron, Daniel , FISHER, Timothy , TOMIC, Sasa , PAPANDREOU, Nikolaos , IOANNOU, Nikolas , STOICA, Radu, Ioan , POZIDIS, Charalampos , WALLS, Andrew
IPC分类号： G06F12/00
摘要： A computer-implemented method, according to one embodiment, includes: maintaining a block switching metric for each block of memory in the storage system. A determination is made as to whether a first block in a first pool should be transferred to a second pool according to a block switching metric which corresponds to the first block. In response to determining that the first block in the first pool should be transferred to the second pool according to the block switching metric which corresponds to the first block, the first block is erased. The first block is then transferred from the first pool to a second RTU queue which corresponds to the second pool. A second block in the second pool is also erased and transferred from the second pool to a first RTU queue which corresponds to the first pool.

3. 发明申请

WO2021001724A1 ADAPTING BLOCK POOL SIZES IN A STORAGE SYSTEM 审中-公开
公开(公告)号：WO2021001724A1
公开(公告)日：2021-01-07
申请号：PCT/IB2020/055904
申请日：2020-06-23
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： PLETKA, Roman, Alexander , STOICA, Radu, Ioan , TOMIC, Sasa , PAPANDREOU, Nikolaos , IOANNOU, Nikolas , FRY, Aaron, Daniel , FISHER, Timothy , POZIDIS, Charalampos , WALLS, Andrew
IPC分类号： G06F12/00
摘要： A computer-implemented method, according to one embodiment, includes: determining whether a number of blocks included in a first ready-to-use (RTU) queue is in a first range of the first RTU queue. In response to determining that the number of blocks included in the first RTU queue is in the first range, a determination is made as to whether a number of blocks included in a second RTU queue is in a second range of the second RTU queue. Moreover, in response to determining that the number of blocks included in the second RTU queue is not in the second range, valid data is relocated from one of the blocks in a first pool which corresponds to the first RTU queue. The block in the first pool is erased, and transferred from the first pool to the second RTU queue which corresponds to a second pool.

4. 发明申请

WO2018167592A1 NON-BINARY CONTEXT MIXING COMPRESSOR/DECOMPRESSOR 审中-公开
公开(公告)号：WO2018167592A1
公开(公告)日：2018-09-20
申请号：PCT/IB2018/051283
申请日：2018-02-28
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM (CHINA) INVESTMENT COMPANY LIMITED
发明人： PARNELL, Thomas, Patrick , MITTELHOLZER, Thomas , BLAETTLER, Tobias , POZIDIS, Charalampos
IPC分类号： H03M7/30
摘要： A technique for non-binary context mixing in a compressor includes generating, by a plurality of context models, model predictions regarding a value of a next symbol to be encoded. A mixer generates a set of final predictions from the model predictions. An arithmetic encoder generates compressed data based on received input symbols and the set of final predictions. The received input symbols belong to an alphabet having a size greater than two and the mixer generates a feature matrix from the model predictions and trains a classifier that generates the set of final predictions.

5. 发明申请

WO2016103112A1 WORKLOAD-ADAPTIVE DATA PACKING ALGORITHM 审中-公开
标题翻译：自适应数据包装算法
公开(公告)号：WO2016103112A1
公开(公告)日：2016-06-30
申请号：PCT/IB2015/059624
申请日：2015-12-15
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM UNITED KINGDOM LIMITED , IBM JAPAN LIMITED
发明人： PARNELL, Thomas , POZIDIS, Charalampos , MITTELHOLZER, Thomas , PAPANDREOU, Nikolaos , CAMP, Charles, John
IPC分类号： G06F12/16 , G06F3/06 , G06F12/00 , G06F12/04
CPC分类号： G06F11/1012 , G06F11/1068 , G06F12/0238 , G06F12/0246 , G06F2212/401 , G06F2212/657 , G11C29/52 , G11C2029/0411 , H03M13/13 , H03M13/152 , H03M13/6312 , H03M13/6318
摘要： A method, according to one embodiment, includes selecting, from a buffer, a combination of compressed logical pages of data to maximize an amount of used space in an error correction code container. The method also preferably includes processing the combination of compressed logical pages to generate error correction code data. Furthermore, the method may include writing the data corresponding to the combination of compressed logical pages and the associated error correction code data to a non-volatile random access memory. Other systems, methods, and computer program products are described in additional embodiments.
摘要翻译：根据一个实施例的方法包括从缓冲器中选择压缩的数据的逻辑页面的组合，以最大化纠错码容器中的使用空间量。该方法还优选地包括处理压缩逻辑页面的组合以产生纠错码数据。此外，该方法可以包括将对应于压缩逻辑页面的组合的数据和相关联的纠错码数据写入非易失性随机存取存储器。在另外的实施例中描述了其他系统，方法和计算机程序产品。

6. 发明申请

WO2021084365A1 UPDATING CORRECTIVE READ VOLTAGE OFFSETS IN NON-VOLATILE RANDOM ACCESS MEMORY 审中-公开
公开(公告)号：WO2021084365A1
公开(公告)日：2021-05-06
申请号：PCT/IB2020/059745
申请日：2020-10-16
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM (CHINA) INVESTMENT COMPANY LTD. , IBM DEUTSCHLAND GMBH
发明人： PAPANDREOU, Nikolaos , POZIDIS, Charalampos , IOANNOU, Nikolas , PLETKA, Roman , STOICA, Radu , TOMIC, Sasa , FRY, Aaron , FISHER, Timothy
IPC分类号： G06F11/07 , G06F11/10 , G11C16/26
摘要： A computer-implemented method, according to one approach, includes: using a first calibration scheme to calibrate the given page in the block by calculating a first number of independent read voltage offset values for the given page (606). An attempt is made to read the calibrated given page (608), and in response to determining that an error correction code failure occurred when attempting to read the calibrated given page, a second calibration scheme is used to recalibrate the given page in the block (612). The second calibration scheme is configured to calculate a second number of independent read voltage offset values for the given page. An attempt to read the recalibrated given page is also made (614). In response to determining that an error correction code failure did occur when attempting to read the recalibrated given page, one or more instructions to relocate data stored in the given page are sent (618).

7. 发明申请

WO2012120401A1 CELL-STATE DETERMINATION IN PHASE-CHANGE MEMORY 审中-公开
标题翻译：相变记忆中的细胞状态测定
公开(公告)号：WO2012120401A1
公开(公告)日：2012-09-13
申请号：PCT/IB2012/050848
申请日：2012-02-24
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM (CHINA) INVESTMENT COMPANY LTD. , PANTAZI, Angeliki , PAPANDREOU, Nikolaos , POZIDIS, Charalampos , SEBASTIAN, Abu , FREY, Urs
发明人： PANTAZI, Angeliki , PAPANDREOU, Nikolaos , POZIDIS, Charalampos , SEBASTIAN, Abu , FREY, Urs
IPC分类号： G11C13/00
CPC分类号： G11C13/0004 , G11C11/5678 , G11C13/004 , G11C13/0061 , G11C13/0069 , G11C27/005 , G11C2013/005
摘要： Methods and apparatus are provided for determining the state of a phase-change memory cell (10). The cell (10) is biased with a time- varying read voltage (V read ) and a measurement (T M ) is then made. The measurement (T M ) is dependent on a predetermined condition being satisfied. This condition depends on cell current during application of the read voltage (V read ). The measurement (T M ) is then used to determine the state of the cell (10).
摘要翻译：提供了用于确定相变存储单元（10）的状态的方法和装置。电池（10）用随时间变化的读取电压（Vread）进行偏置，然后进行测量（TM）。测量（TM）取决于满足的预定条件。该条件取决于应用读取电压（Vread）期间的电池电流。然后使用测量（TM）来确定细胞的状态（10）。

8. 发明申请

WO2013046066A1 READ-DETECTION IN SOLID-STATE STORAGE DEVICES 审中-公开
标题翻译：固态存储器件中的读取检测
公开(公告)号：WO2013046066A1
公开(公告)日：2013-04-04
申请号：PCT/IB2012/053237
申请日：2012-06-27
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , MITTELHOLZER, Thomas , PAPANDREOU, Nikolaos , POZIDIS, Charalampos
发明人： MITTELHOLZER, Thomas , PAPANDREOU, Nikolaos , POZIDIS, Charalampos
IPC分类号： G11C11/56
CPC分类号： G11C11/5678 , G11C2211/563 , G11C2211/5634
摘要： Methods and apparatus are provided for detecting N-symbol codewords stored in multilevel-cell solid-state memory. Each codeword is a permutation of an N-symbol vector of a predefined set of N-symbol vectors. The symbols of each codeword, each of which has one of q symbol values, are stored in respective q-level cells of solid state memory (2), where N≥q>2. The memory cells storing a group of codewords are read to obtain respective read signals each comprising N signal components corresponding to respective symbols of a codeword. The components of each read signal are ordered according to signal level to produce an ordered read signal. Corresponding components of the ordered read signals are averaged to produce an average read signal. A reference signal level corresponding to each of the q levels of the memory cells is determined in dependence on the average read signal and predefined probabilities of occurrence of each symbol value at each symbol position in a said codeword whose symbols are ordered according to symbol value. The codeword corresponding to each read signal is then detected in dependence on the reference signal levels.
摘要翻译：提供了用于检测存储在多电平单元固态存储器中的N个符号码字的方法和装置。每个码字是N个符号向量的预定义集合的N个符号向量的置换。每个码字的符号，每个码字具有q个符号值之一，被存储在固态存储器（2）的相应的q级单元中，其中N> = q> 2。读取存储一组码字的存储单元以获得每个包括与码字的各个符号对应的N个信号分量的各个读信号。每个读取信号的分量根据信号电平排序以产生有序的读取信号。将有序读取信号的相应组件平均以产生平均读取信号。根据平均读取信号和符号根据符号值排序的所述码字中的每个符号位置处的每个符号位置的每个符号值的出现的预定概率来确定对应于存储器单元的每个q电平的参考信号电平。然后根据参考信号电平检测对应于每个读取信号的码字。

9. 发明申请

WO2012120400A1 PROGRAMMING OF PHASE-CHANGE MEMORY CELLS 审中-公开
标题翻译：相变记忆细胞的编程
公开(公告)号：WO2012120400A1
公开(公告)日：2012-09-13
申请号：PCT/IB2012/050846
申请日：2012-02-24
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , IBM (CHINA) INVESTMENT COMPANY LTD. , PANTAZI, Angeliki , PAPANDREOU, Nikolaos , POZIDIS, Charalampos , SEBASTIAN, Abu , FREY, Urs
发明人： PANTAZI, Angeliki , PAPANDREOU, Nikolaos , POZIDIS, Charalampos , SEBASTIAN, Abu , FREY, Urs
IPC分类号： G11C16/10
CPC分类号： G11C11/5678 , G11C7/1006 , G11C11/5685 , G11C13/0004 , G11C13/0007 , G11C13/004 , G11C13/0061 , G11C13/0064 , G11C13/0069 , G11C2013/0076
摘要： Methods and apparatus are provided for programming a phase-change memory cell (10). A bias voltage signal (V BL ) is applied to the cell. A measurement portion (m) of this bias voltage signal has a profile which varies with time. A measurement (T M ), which is dependent on a predetermined condition being satisfied, is then made. The predetermined condition is dependent on cell current during the measurement portion (m) of the bias voltage signal. A programming signal is generated in dependence on the measurement (T M ), and the programming signal is applied to program the cell (10).
摘要翻译：提供了用于编程相变存储器单元（10）的方法和装置。偏置电压信号（VBL）被施加到单元。该偏置电压信号的测量部分（m）具有随时间变化的轮廓。然后进行取决于满足预定条件的测量（TM）。预定条件取决于偏置电压信号的测量部分（m）期间的电池电流。根据测量（TM）产生编程信号，并且应用编程信号对单元（10）进行编程。

10. 发明申请

WO2012001554A1 ELECTROMECHANICAL SWITCH DEVICE AND METHOD OF OPERATING THE SAME 审中-公开
标题翻译：电动开关装置及其操作方法
公开(公告)号：WO2012001554A1
公开(公告)日：2012-01-05
申请号：PCT/IB2011/052490
申请日：2011-06-08
申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION , DESPONT, Michel , HAGLEITNER, Christoph , POZIDIS, Charalampos , SEBASTIAN, Abu
发明人： DESPONT, Michel , HAGLEITNER, Christoph , POZIDIS, Charalampos , SEBASTIAN, Abu
IPC分类号： H01H59/00 , H01H47/00
CPC分类号： H01H59/00 , H01H47/00 , H01H59/0009
摘要： The invention relates to an electromechanical switch device (100, 200), comprising a first switch portion (111, 112, 211, 212), a second switch portion (121, 122, 220) and an actuator device (130, 230). The actuator device (130, 230) is configured to provide an actuation force, thereby actuating the first and second switch portion (111, 112, 121, 122, 211, 212, 220) relative to each other in order to change from a disconnected to a connected state. The actuator device (130, 230) is further configured to provide the actuation force with a modulation at least when the first and second switch portion (111, 112, 121, 122, 211, 212, 220) are in the connected state. The invention furthermore relates to a method of operating an electromechanical switch device (100, 200).
摘要翻译：本发明涉及一种机电开关装置（100,200），其包括第一开关部分（111,112,211,212），第二开关部分（121,122,220）和致动器装置（130,230）。致动器装置（130,230）构造成提供致动力，从而相对于彼此致动第一和第二开关部分（111,112,121,122,211,212,220），以便从断开的到连接状态。致动器装置（130,230）进一步构造成至少当第一和第二开关部分（111,112,121,122,211,212,220）处于连接状态时，提供具有调制的致动力。本发明还涉及一种操作机电开关装置（100,200）的方法。

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