Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,860
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     206,471
Calibration 2     198,872
Calibration 3     197,826
ssj_ops@calibrated=198,349
100% 99.8% 198,349 197,860
90% 90.2% 178,514 178,917
80% 80.3% 158,679 159,194
70% 69.6% 138,844 138,034
60% 59.7% 119,009 118,467
50% 49.5% 99,174 98,149
40% 39.8% 79,340 78,952
30% 29.9% 59,505 59,350
20% 19.8% 39,670 39,366
10% 9.9% 19,835 19,550
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,019,255 1,494
Payment 15,019,254
Order Status 1,501,925
Delivery 1,501,924
Stock Level 1,501,926
Customer Report 15,019,254
Calibration 2 New Order 14,463,416 1,494
Payment 14,463,410
Order Status 1,446,341
Delivery 1,446,340
Stock Level 1,446,342
Customer Report 14,463,409
Calibration 3 New Order 14,389,943 1,494
Payment 14,389,940
Order Status 1,438,994
Delivery 1,438,993
Stock Level 1,438,993
Customer Report 14,389,945
100% 99.8% New Order 14,391,415 1,494
Payment 14,391,411
Order Status 1,439,141
Delivery 1,439,142
Stock Level 1,439,140
Customer Report 14,391,413
90% 90.2% New Order 13,012,509 1,494
Payment 13,012,510
Order Status 1,301,252
Delivery 1,301,250
Stock Level 1,301,252
Customer Report 13,012,511
80% 80.3% New Order 11,578,231 1,494
Payment 11,578,236
Order Status 1,157,823
Delivery 1,157,823
Stock Level 1,157,825
Customer Report 11,578,235
70% 69.6% New Order 10,039,037 1,494
Payment 10,039,036
Order Status 1,003,904
Delivery 1,003,903
Stock Level 1,003,904
Customer Report 10,039,043
60% 59.7% New Order 8,616,354 1,494
Payment 8,616,349
Order Status 861,636
Delivery 861,635
Stock Level 861,636
Customer Report 8,616,354
50% 49.5% New Order 7,138,440 1,494
Payment 7,138,438
Order Status 713,844
Delivery 713,844
Stock Level 713,845
Customer Report 7,138,444
40% 39.8% New Order 5,742,425 1,494
Payment 5,742,419
Order Status 574,241
Delivery 574,242
Stock Level 574,242
Customer Report 5,742,421
30% 29.9% New Order 4,316,335 1,494
Payment 4,316,334
Order Status 431,632
Delivery 431,635
Stock Level 431,633
Customer Report 4,316,333
20% 19.8% New Order 2,862,995 1,494
Payment 2,862,990
Order Status 286,299
Delivery 286,299
Stock Level 286,300
Customer Report 2,862,991
10% 9.9% New Order 1,421,939 1,494
Payment 1,421,942
Order Status 142,194
Delivery 142,194
Stock Level 142,194
Customer Report 1,421,938
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0