Abstract: A computer-implemented method for memory management in a computer system configured for generating a signature of a binary data message m using a key B of a predetermined lattice-based structure is proposed, which comprises: determining coefficients of a 2×2 signature generation matrix SG, wherein the non-diagonal coefficients of the signature generation matrix SG are complex polynomials with a non-zero imaginary part, and the diagonal coefficients of the signature generation matrix SG are real polynomials; and determining a LDL representation of the signature generation matrix SG according to which SG is represented by a matrix product L.D.

Abstract: The invention relates to an access management method comprising, in response to a request to access a local application (23) hosted on a second network (10): if the second network (10) is connected to a first network (8): receiving the access request by a master module (4) connected to the first network (8); determining, by the master module (4), access confirmation or denial data for access to the local application; and transmitting the determined access confirmation or denial data from the master module to the local application (23) otherwise: receiving the access request by a satellite module (6) connected to the second network (10); determining, by the master module (6), access confirmation or denial data for access to the local application (23); and transmitting the determined access confirmation or denial data from the satellite module to the local application (23).

Abstract: Method for supervising an additive manufacturing process performed by an additive manufacturing device (1), comprising providing a set of data to a supervision system (6), said set of data comprising product geometry data, production data, production history data, and measurements (7) from said additive manufacturing device (1), and, at said supervision system (6): predicting the occurrence of a defect (S1) from said set of data, when an occurrence of a defect is predicted, determining a type of defect (S2), and deciding for stopping (8, 5) or not (S3) said additive manufacturing process according to said type of defect and of a seriousness level.

Abstract: Method for providing a ledger of verified nodes for a network of nodes in a quantum internet, comprising: /a/ sending (101), by a central node (N-CH), first qubits (qb1) to a first node (N-U1) and second qubits (qb2) to a second node (N-U2), wherein each first qubit (qb1) is entangled with a second qubit (qb2); /b/ sending (102), by the central node (N-CH), digital coins to each first node (N-U1) and each second node (N-U2); /c/ saving (103) to a ledger: information regarding identities of the first, second and central nodes (N-U1, N-U2, N-CH), and information regarding a comparison of first information determined from the first qubits (qb1) to second information determined from the second qubits (qb2); and /d/ if the first information corresponds to the second information, sending (105), by the first and second nodes (N-U1, N-U2), said digital coins back to the central node (N-CH).

Abstract: A computing unit configured to be mounted in a HPC cabinet, the computing unit comprising an external body, and an internal body comprising secondary electronic components. The internal body is releasably coupled with the external body in order to allow extraction of the internal body when the external body is secured fixedly to the HPC cabinet. The internal body includes a bottom tray, comprising bottom secondary electronic components, a top tray comprising at least one duct for conducting an air flow from the front to the rear, and a plurality of manual coupling members, accessible from the top of the top tray, releasably coupling the top tray with the bottom tray.

Abstract: A method for analyzing a simulation of the execution of a quantum circuit comprises: a step of post-selecting (S2) one or more particular values of one or more qubits at one or more steps of the simulation, a step of retrieving (S5), by an iterator (7), all or some of the quantum states of the quantum state vector(s) derived from the post-selection(s) of qubits, a step of analyzing (S6) the part of the simulation that corresponds to the post-selection(s) of qubits and to the quantum state vector(s) retrieved.

Abstract: Heat sink for a network card of a compute blade, said compute blade comprising a cold plate wherein a cooling liquid circulates, said heat sink comprising a body comprising two main faces of which a so-called “hot” face and a so-called “cold” face, opposite said hot face, said cold face being configured to be interfaced with the cold plate, the hot face comprising at least one housing configured to receive at least one heat generating component of the network card.

Abstract: A device and method for analyzing a performance of an n-tier application capable of carrying out on-the-fly anonymization processing of production data. The production data is generated following a performance test request message transmitted to the n-tier application. The anonymization processing is implemented by an anonymization module that identifies, from a sensitive data identification repository, data to be anonymized in the response message. The anonymization processing also includes generating, from an anonymization repository, anonymized data from the previously identified data to be anonymized, and generating an anonymized response message from the anonymized data and the response message.

Abstract: A liquid-cooled heat sink for a plurality of compute blade connectors, including an elongated shaped body defining on one of its faces a heat collection surface of the plurality of connectors. The heat collection surface includes a plurality of interfacing zones arranged consecutively along the heat collection surface, wherein each interfacing zone is configured to interface with a connector of the plurality of connectors in order to collect the heat, and wherein the heat sink includes at least one stiffener mounted on the body.

Abstract: Cold plate for a supercomputer compute blade, said cold plate delimiting at least one opening configured to receive at least one heat sink configured to cool at least one electronic component, said cold plate comprising a cooling circuit, comprising channels within which is configured to circulate a “cold” heat transfer fluid to supply said at least one heat sink, and a discharge circuit, comprising channels within which a “hot” heat transfer fluid is configured to circulate after heating through the at least one heat sink, said cold plate consists of an assembly of several separate elements, wherein each pair of adjacent elements fluidly connected at a portion of the cooling circuit or of the discharge circuit comprises a sealing member at the interface of said connection.

Abstract: Method for manufacturing a heat sink for liquid cooling system of a compute blade of a supercomputer, comprising in particular a friction-stir welding step of a base plate at a machined central rib and at a machined rim.

Abstract: The invention relates to a method (100) for identifying a profile, in particular a workpiece profile, said method (100) comprising an image acquisition phase (102) for obtaining an RGB image, an infrared, IR image, and a depth image of said profile, said method (100) further comprising a processing phase (110) comprising the following steps: extracting (120) from said RGB image, respectively from said IR image, of a zone of interest corresponding to said profile and storing said zone of interest as RGB image of interest, respectively as IR image of interest; constructing (140) a consolidated image from said RGB and IR images of interest; detecting (160) the contour of said profile in said consolidated image; and identifying (162) said profile by comparing said contour to a database of profile contours. It also relates to a device implementing such a method, and a computer program implementing the processing phase of said method.

Abstract: A method for scheduling computing tasks on a supercomputer including offline reinforcement learning (OFRL) of a scheduler on a database (LDB). The database includes at least one execution history (HIST) that includes the state (LHPCS) of a learning supercomputer at several moments (T, T?1); the actions (LACT) related to the scheduling of learning tasks on the learning supercomputer at those moments (T); and a reward (REW) related to each task. The method also includes the use of the scheduler trained on the computing tasks to be scheduled.

Abstract: A method for iteratively autotuning a high-performance computing system that depends on a set of parameters. Performance is first evaluated two or more times with the current values of the parameters. Afterward at least two evaluations, the median performance is evaluated. The median is then tested against a rule based on a filtering threshold. If the median does not the rule, the current values of the parameters are discarded, and the method is restarted with at least one other value generated by an optimization module; otherwise, a resampling method is performed based on the median and on a confidence interval that decreases with the number of steps of the optimization method.

Abstract: The invention relates to a device and a method for authenticating a user utilizing an internet access client (10) for accessing remote resources of a computer infrastructure, said access comprising a first authentication (130) of the internet access client (10) and a second authentication (140) of the user of the internet access client (10). The method includes sending (132), to a token security module (21), by the internet access client (10), a client certificate (220), said client certificate (220) being associated with items of identification information of the internet access client (10); and receiving (133), by the internet access client (10), an authentication token (210) generated by the token security module when the client certificate (220) sent has been verified by the token security module.

Abstract: An outlet heat sink for a liquid cooling system for an electronic board, including a cold inlet connector, a hot inlet connector and a hot outlet connector. An upper part of a cooling block, on the one hand, conveys the flow of heat transfer fluid entering through the cold inlet connector to the lower part of the cooling block so as to collect heat generated by the electronic board by being conveyed to the hot outlet connector, and on the other hand, conveys the flow of heated-up heat transfer fluid received on the hot inlet connector directly to the hot outlet connector.

Abstract: The invention relates to an edge-based log collecting device for collecting logs from several log sources located in a remote network, called edge-network, and sending the logs to a cloud-based system distant from the edge-network. The device is located in the edge-network, and the device includes several processing nodes for processing logs received from the log sources and sending them to said the system. The device is configured to elect, according to a predetermined election algorithm, one of the processing nodes as a master node configured for receiving the logs from all log sources of the local network, and sharing the logs with the other processing nodes. The invention further relates to a computer program and a device configured to carry out such a method.

Abstract: Inlet heat sink for a liquid cooling system of an electronic board, comprising a “cold” inlet connector, a “hot” outlet connector, a “cold” outlet connector, the upper part of the cooling block being configured to divide the flow of incoming heat transfer fluid by the cold inlet connector into a first flow oriented to collect the heat generated by the electronic board by being routed to the hot outlet connector, and a second flow, oriented directly to the cold outlet connector.

Abstract: The invention relates to a method detecting one or more anomalies regarding logins of a user on an authentication system. The method includes at least one iteration of a monitoring phase that includes collecting a log of successful logins of the user on the authentication system, and calculating, for each monitored parameter, a probability density, in the log, of each predetermined value of the parameter. The method also includes calculating, for each parameter, a weight, as a function of the probability density of each predetermined value of the parameter, calculating an anomaly score for the log as a function of the weights and the probability densities; and comparing the anomaly score to a given threshold in order to determine an anomaly in the daily log for the user. The invention also relates to a computer program product and a device configured to carry out the method.

Abstract: A computing blade for a liquid-cooled supercomputer, comprising as many network cards as there are processors, each network card being associated with a processor, each network card comprising a plug-in end configured to receive a connector, each network card being configured to allow data communication between said processor and another processor, each network card being mounted to the cold plate being connected to the motherboard via a connection system comprising a first connector, connected to the plug-in end of the network card, and a second connector, connected on the one hand to the first connector via a cable and on the other hand to the motherboard.